{"id":5446,"date":"2026-09-04T00:18:30","date_gmt":"2026-09-04T00:18:30","guid":{"rendered":"https:\/\/spotlight-motor.com\/?post_type=product&#038;p=5446"},"modified":"2026-09-04T07:04:51","modified_gmt":"2026-09-04T07:04:51","slug":"sp42-42-mm-hybrid-rotary-stepper-motor","status":"publish","type":"product","link":"https:\/\/spotlight-motor.com\/zh\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/","title":{"rendered":"SP42 42 mm \u6df7\u5408\u5f0f\u65cb\u8f6c\u6b65\u8fdb\u7535\u673a"},"content":{"rendered":"<style>\nbody.postid-5446 [data-id=\"691a024\"]{height:auto!important;min-height:30px!important;overflow:visible!important}\nbody.postid-5446 [data-id=\"691a024\"] > .elementor-widget-container{height:auto!important;min-height:30px!important;margin-top:0!important;overflow:visible!important}\nbody.postid-5446 [data-id=\"691a024\"] > .elementor-widget-container > .elementor-shortcode{height:auto!important;min-height:30px!important;overflow:visible!important}<\/p>\n<p>body.postid-5446{overflow-x:hidden}body.postid-5446 [data-id=\"4e2fba0\"],body.postid-5446 [data-id=\"169d9d5\"],body.postid-5446 [data-id=\"4ab745c\"],body.postid-5446 [data-id=\"a65d5ba\"],body.postid-5446 [data-id=\"77d8c47\"],body.postid-5446 [data-id=\"79389ad\"],body.postid-5446 [data-id=\"8d9b055\"],body.postid-5446 [data-id=\"6b8732b\"],body.postid-5446 [data-id=\"bc89a15\"]{display:none!important}body.postid-5446 [data-id=\"9b05c0a\"],body.postid-5446 [data-id=\"166d5d9\"],body.postid-5446 [data-id=\"166d5d9\"]>.elementor-widget-container{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}\n.sl-product-page{--ink:#101419;--muted:#66717d;--blue:#4f84ae;--line:#dfe5ea;--surface:#f4f7f9;--dark:#071017;color:var(--ink);font-family:inherit}.sl-product-page *{box-sizing:border-box}.sl-product-page h2,.sl-product-page h3,.sl-product-page p{margin-top:0}.sl-fullbleed{position:relative;left:50%;width:100vw;margin-left:-50vw}.sl-inner{width:min(1440px,calc(100% - 64px));margin:0 auto}.sl-detail-nav{position:sticky;left:auto;margin-left:calc(50% - 50vw);top:calc(var(--wp-admin--admin-bar--height,0px) + 120px);z-index:120;background:rgba(255,255,255,.94);border-top:1px solid var(--line);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.sl-detail-nav__inner{display:flex;align-items:center;gap:48px;min-height:76px;overflow-x:auto;scrollbar-width:none}.sl-detail-nav__inner::-webkit-scrollbar{display:none}.sl-detail-nav a{position:relative;flex:0 0 auto;color:#36414c;font-size:15px;font-weight:600;text-decoration:none}.sl-detail-nav a:after{content:\"\";position:absolute;left:0;right:100%;bottom:-27px;height:3px;background:var(--blue);transition:right .25s ease}.sl-detail-nav a:hover:after{right:0}.sl-product-page section[id]{scroll-margin-top:210px}.sl-section{padding:108px 0}.sl-kicker{margin-bottom:18px;color:var(--blue);font-size:13px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.sl-title{max-width:900px;margin-bottom:26px;font-size:clamp(38px,4.2vw,64px);font-weight:300;line-height:1.08;letter-spacing:-.035em}.sl-lead{max-width:800px;margin-bottom:56px;color:var(--muted);font-size:19px;line-height:1.75}.sl-features{background:#fff}.sl-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.sl-feature-card{min-height:360px;padding:42px 38px;border:1px solid var(--line);background:linear-gradient(145deg,#fff,#f6f9fb);transition:transform .25s ease,box-shadow .25s ease}.sl-feature-card:hover{transform:translateY(-7px);box-shadow:0 26px 54px rgba(18,39,58,.10)}.sl-feature-icon{width:72px;height:72px;margin-bottom:72px;border:1px solid #cddce8;border-radius:50%;background:#edf5fb}.sl-feature-card h3{margin-bottom:15px;font-size:24px;font-weight:500}.sl-feature-card p{margin-bottom:0;color:var(--muted);font-size:16px;line-height:1.7}.sl-tech{background:var(--surface)}.sl-original-data{display:grid;gap:22px;margin-top:48px}.sl-tech-panel{overflow:hidden;border:1px solid var(--line);background:#fff}.sl-tech-panel__head{padding:25px 28px 20px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,#fff,#f6f9fb)}.sl-tech-panel__head span{display:block;margin-bottom:7px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.sl-tech-panel__head h3{margin:0;font-size:22px;font-weight:500}.sl-table-scroll{width:100%;overflow-x:auto}.sl-data-table{width:100%;margin:0;border:0;border-collapse:collapse;background:#fff;font-size:15px}.sl-data-table th{padding:15px 20px;border:0;background:#0b141c;color:#fff;font-size:11px;font-weight:700;letter-spacing:.07em;text-align:left;text-transform:uppercase;white-space:nowrap}.sl-data-table td{padding:16px 20px;border:0;border-bottom:1px solid #e4e9ed;color:#4f5b66;line-height:1.5;text-align:left;vertical-align:top}.sl-data-table tbody tr:nth-child(even) td{background:#f7f9fa}.sl-data-table tbody th{background:#17232d}.sl-tech-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-auto-rows:1fr;gap:24px;align-items:stretch}.sl-tech-figure{display:flex;min-width:0;margin:0;flex-direction:column;padding:20px;border:1px solid var(--line);background:#fff}.sl-tech-figure img{display:block;width:100%;aspect-ratio:16\/10;object-fit:contain;background:#fff}.sl-tech-figure figcaption{min-height:52px;margin-top:18px;padding-top:16px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.sl-tech-grid>.sl-tech-figure:last-of-type:nth-of-type(odd){grid-column:1\/-1;width:calc(50% - 12px);justify-self:center}.sl-tech-figure--crop-bottom img{clip-path:inset(0 0 7% 0);margin-bottom:-4%}.sl-showcase{overflow:hidden;background:radial-gradient(circle at 74% 48%,rgba(105,164,209,.24),transparent 28%),var(--dark);color:#fff}.sl-showcase-grid{display:grid;grid-template-columns:.92fr 1.08fr;align-items:center;gap:70px;min-height:760px}.sl-showcase .sl-kicker{color:#9cc6e5}.sl-showcase .sl-title{color:#fff}.sl-showcase p{max-width:650px;color:#b9c5ce;font-size:18px;line-height:1.75}.sl-checks{display:grid;gap:18px;margin:34px 0 0;padding:0;list-style:none}.sl-checks li{display:flex;gap:14px;color:#e5edf3;font-size:16px}.sl-checks li:before{content:\"\u2713\";display:grid;flex:0 0 26px;place-items:center;width:26px;height:26px;color:#071017;border-radius:50%;background:#9cc6e5;font-weight:800}.sl-product-visual{position:relative;min-height:650px}.sl-product-visual:before,.sl-product-visual:after{content:\"\";position:absolute;border:1px solid rgba(156,198,229,.22);border-radius:50%}.sl-product-visual:before{inset:8% 4%}.sl-product-visual:after{inset:19% 15%}.sl-product-visual img{position:absolute;z-index:2;inset:50% auto auto 50%;width:min(660px,94%);max-height:480px;object-fit:contain;transform:translate(-50%,-50%);filter:drop-shadow(0 40px 42px rgba(0,0,0,.38))}.sl-applications{background:#fff}.sl-application-grid{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line)}.sl-application-card{min-height:270px;padding:34px 28px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}.sl-application-card h3{margin-bottom:12px;font-size:20px;font-weight:500}.sl-application-card p{margin-bottom:0;color:var(--muted);font-size:15px;line-height:1.65}.sl-cta{background:linear-gradient(110deg,#7aa5c7,#a8c8df)}.sl-cta-inner{display:grid;grid-template-columns:1fr auto;align-items:center;gap:50px;min-height:400px}.sl-cta h2{max-width:930px;margin-bottom:18px;color:#071017;font-size:clamp(40px,5vw,72px);font-weight:300;line-height:1.04}.sl-cta p{max-width:700px;margin-bottom:0;color:#233745;font-size:18px}.sl-button{display:inline-flex;align-items:center;justify-content:center;min-width:210px;min-height:58px;padding:16px 26px;color:#fff!important;background:#071017;font-size:14px;font-weight:700;text-decoration:none!important;text-transform:uppercase}.sl-related{padding:70px 0;background:#fff;border-bottom:1px solid var(--line)}.sl-related-inner{display:flex;align-items:center;justify-content:space-between;gap:40px}.sl-related h3{margin-bottom:6px;font-size:27px;font-weight:400}.sl-related p{margin-bottom:0;color:var(--muted)}.sl-related a{flex:0 0 auto;color:var(--ink);font-weight:700;text-decoration:none;border-bottom:1px solid var(--ink)}\n@media(prefers-reduced-motion:reduce){.sl-feature-card{transition:none}.sl-feature-card:hover{transform:none}}\n@media(max-width:1024px){.sl-inner{width:min(100% - 44px,980px)}.sl-feature-grid,.sl-application-grid{grid-template-columns:repeat(2,1fr)}.sl-showcase-grid{grid-template-columns:1fr;padding:90px 0}.sl-tech-grid{grid-template-columns:1fr;grid-auto-rows:auto}.sl-tech-grid>.sl-tech-figure:last-of-type:nth-of-type(odd){grid-column:auto;width:100%}.sl-product-visual{min-height:560px}.sl-detail-nav{top:calc(var(--wp-admin--admin-bar--height,0px) + 86px)}.sl-product-page section[id]{scroll-margin-top:176px}}\n@media(max-width:767px){.sl-inner{width:calc(100% - 36px)}.sl-detail-nav{top:calc(var(--wp-admin--admin-bar--height,0px) + 72px)}.sl-detail-nav__inner{gap:28px;min-height:64px}.sl-detail-nav a:after{bottom:-21px}.sl-product-page section[id]{scroll-margin-top:154px}.sl-section{padding:72px 0}.sl-title{font-size:38px}.sl-lead{margin-bottom:38px;font-size:17px}.sl-feature-grid,.sl-application-grid{grid-template-columns:1fr}.sl-feature-card{min-height:auto;padding:32px 28px}.sl-feature-icon{margin-bottom:42px}.sl-showcase-grid{gap:10px;padding:72px 0}.sl-product-visual{min-height:430px}.sl-application-card{min-height:220px}.sl-cta-inner{grid-template-columns:1fr;gap:34px;min-height:480px;padding:68px 0}.sl-related-inner{align-items:flex-start;flex-direction:column}.sl-data-table thead th:first-child,.sl-data-table tbody th{position:sticky;left:0;z-index:2;background:#0b141c;color:#fff}.sl-data-table thead th:first-child{z-index:3}}\n<\/style>\n<div class=\"sl-product-page\">\n<nav class=\"sl-fullbleed sl-detail-nav\" aria-label=\"Product detail navigation\">\n<div class=\"sl-inner sl-detail-nav__inner\"><a href=\"\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/#sl-features\">Product benefits<\/a><a href=\"\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/#sl-technical\">Technical data<\/a><a href=\"\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/#sl-integration\">Integration<\/a><a href=\"\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/#sl-applications\">Applications<\/a><a href=\"\/product\/sp42-42-mm-hybrid-rotary-stepper-motor\/#sl-consultation\">Request consultation<\/a><\/div>\n<\/nav>\n<section id=\"sl-features\" class=\"sl-fullbleed sl-section sl-features\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">Compact hybrid stepper platform<\/div>\n<h2 class=\"sl-title\">42 mm hybrid rotary stepper motors for precise positioning<\/h2>\n<p class=\"sl-lead\">The SP42 series combines a compact 42 mm frame with five motor lengths, 0.16\u20130.72 N\u00b7m holding torque and 1.2\u20132 A rated current. Encoder, power-off brake and planetary gearbox options support flexible machine integration.<\/p>\n<div class=\"sl-feature-grid\">\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Five torque levels<\/h3>\n<p>Select the motor length and holding torque that best match the axis load and available installation envelope.<\/p>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Configurable feedback<\/h3>\n<p>EK1, EK2 and EK7 incremental encoder options support single-ended or differential outputs across a broad resolution range.<\/p>\n<\/article>\n<article class=\"sl-feature-card\">\n<div class=\"sl-feature-icon\" aria-hidden=\"true\"><\/div>\n<h3>Integrated options<\/h3>\n<p>Add a 24 V power-off brake or a multi-stage planetary gearbox to simplify holding and transmission requirements.<\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-technical\" class=\"sl-fullbleed sl-section sl-tech\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">Engineering information<\/div>\n<h2 class=\"sl-title\">Technical data<\/h2>\n<p class=\"sl-lead\">Compare the verified motor models and optional components. The torque-speed curves were measured with a constant-current drive at 24 VDC using 2-phase excitation.<\/p>\n<div class=\"sl-original-data\">\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Model selection<\/span><\/p>\n<h3>Motor specification matrix<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 motor specification matrix\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:1180px\">\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Rated current<\/th>\n<th>Resistance<\/th>\n<th>Inductance<\/th>\n<th>Holding torque<\/th>\n<th>Rotor inertia<\/th>\n<th>Motor length<\/th>\n<th>Weight<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>17H2031<\/th>\n<td>1.2 A<\/td>\n<td>1.7 \u03a9<\/td>\n<td>2.3 mH<\/td>\n<td>0.16 N\u00b7m<\/td>\n<td>23 g\u00b7cm\u00b2<\/td>\n<td>30.1 mm<\/td>\n<td>200 g<\/td>\n<\/tr>\n<tr>\n<th>17H2034<\/th>\n<td>1.2 A<\/td>\n<td>2.1 \u03a9<\/td>\n<td>2.7 mH<\/td>\n<td>0.25 N\u00b7m<\/td>\n<td>25 g\u00b7cm\u00b2<\/td>\n<td>34.1 mm<\/td>\n<td>230 g<\/td>\n<\/tr>\n<tr>\n<th>17H2041<\/th>\n<td>1.2 A<\/td>\n<td>2.4 \u03a9<\/td>\n<td>4.7 mH<\/td>\n<td>0.40 N\u00b7m<\/td>\n<td>54 g\u00b7cm\u00b2<\/td>\n<td>40.1 mm<\/td>\n<td>300 g<\/td>\n<\/tr>\n<tr>\n<th>17H2049<\/th>\n<td>2 A<\/td>\n<td>1.3 \u03a9<\/td>\n<td>2 mH<\/td>\n<td>0.48 N\u00b7m<\/td>\n<td>77 g\u00b7cm\u00b2<\/td>\n<td>48.1 mm<\/td>\n<td>360 g<\/td>\n<\/tr>\n<tr>\n<th>17H2061<\/th>\n<td>2 A<\/td>\n<td>1.7 \u03a9<\/td>\n<td>3.6 mH<\/td>\n<td>0.72 N\u00b7m<\/td>\n<td>110 g\u00b7cm\u00b2<\/td>\n<td>60.1 mm<\/td>\n<td>500 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>General data<\/span><\/p>\n<h3>Common electrical and mechanical data<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 common technical data\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:760px\">\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Frame size<\/th>\n<td>42 mm<\/td>\n<\/tr>\n<tr>\n<th>Step angle<\/th>\n<td>1.8\u00b0 \u00b15%<\/td>\n<\/tr>\n<tr>\n<th>Resistance tolerance<\/th>\n<td>\u00b110% at 20\u00b0C<\/td>\n<\/tr>\n<tr>\n<th>Inductance tolerance<\/th>\n<td>\u00b120% at 1 kHz<\/td>\n<\/tr>\n<tr>\n<th>Insulation class<\/th>\n<td>Class B<\/td>\n<\/tr>\n<tr>\n<th>Duty cycle<\/th>\n<td>S1<\/td>\n<\/tr>\n<tr>\n<th>Dielectric strength<\/th>\n<td>500 VAC \/ 1 kHz \/ 1 mA \/ 1 s<\/td>\n<\/tr>\n<tr>\n<th>Insulation resistance<\/th>\n<td>100 M\u03a9 at 500 VDC<\/td>\n<\/tr>\n<tr>\n<th>Lead wire<\/th>\n<td>UL 3265, 26\/24 AWG<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Shaft loading<\/span><\/p>\n<h3>Allowable radial load<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 allowable radial load\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:680px\">\n<thead>\n<tr>\n<th>Load point from mounting face<\/th>\n<th>Allowable radial load<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>5 mm<\/th>\n<td>50 N<\/td>\n<\/tr>\n<tr>\n<th>10 mm<\/th>\n<td>40 N<\/td>\n<\/tr>\n<tr>\n<th>15 mm<\/th>\n<td>25 N<\/td>\n<\/tr>\n<tr>\n<th>20 mm<\/th>\n<td>20 N<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Feedback options<\/span><\/p>\n<h3>Incremental encoder selection<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 encoder options\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:760px\">\n<thead>\n<tr>\n<th>Encoder<\/th>\n<th>Output<\/th>\n<th>Resolution options<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>EK1<\/th>\n<td>Single-ended or differential<\/td>\n<td>100\u20131000 PPR<\/td>\n<\/tr>\n<tr>\n<th>EK2<\/th>\n<td>Single-ended or differential<\/td>\n<td>50\u20135000 PPR<\/td>\n<\/tr>\n<tr>\n<th>EK7<\/th>\n<td>Single-ended or differential<\/td>\n<td>1000 or 2000 PPR<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Holding brake<\/span><\/p>\n<h3>Optional power-off brake<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 power-off brake data\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:720px\">\n<thead>\n<tr>\n<th>Specification<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>Rated voltage<\/th>\n<td>24 VDC \u00b15%<\/td>\n<\/tr>\n<tr>\n<th>Coil resistance<\/th>\n<td>145 \u03a9 \u00b110%<\/td>\n<\/tr>\n<tr>\n<th>Power<\/th>\n<td>5 W<\/td>\n<\/tr>\n<tr>\n<th>Static torque<\/th>\n<td>&gt;0.8 N\u00b7m<\/td>\n<\/tr>\n<tr>\n<th>Engage \/ release time<\/th>\n<td>50 ms \/ 50 ms<\/td>\n<\/tr>\n<tr>\n<th>Mechanical life<\/th>\n<td>2,000,000 cycles<\/td>\n<\/tr>\n<tr>\n<th>Noise<\/th>\n<td>&lt;60 dB<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<article class=\"sl-tech-panel\">\n<header class=\"sl-tech-panel__head\">\n<div><span>Precision gearing<\/span><\/p>\n<h3>Optional planetary gearbox<\/h3>\n<\/div>\n<\/header>\n<div class=\"sl-table-scroll\" role=\"region\" aria-label=\"SP42 planetary gearbox data\" tabindex=\"0\">\n<table class=\"sl-data-table\" style=\"min-width:1040px\">\n<thead>\n<tr>\n<th>Ratio<\/th>\n<th>Stages<\/th>\n<th>Rated torque<\/th>\n<th>Peak torque<\/th>\n<th>Efficiency<\/th>\n<th>Gearbox length<\/th>\n<th>Weight<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th>3.7 \/ 5.2<\/th>\n<td>1<\/td>\n<td>1 N\u00b7m<\/td>\n<td>3 N\u00b7m<\/td>\n<td>90%<\/td>\n<td>30.6 mm<\/td>\n<td>260 g<\/td>\n<\/tr>\n<tr>\n<th>13.7 \/ 19.2 \/ 26.9<\/th>\n<td>2<\/td>\n<td>2 N\u00b7m<\/td>\n<td>6 N\u00b7m<\/td>\n<td>81%<\/td>\n<td>41.9 mm<\/td>\n<td>350 g<\/td>\n<\/tr>\n<tr>\n<th>50.9 \/ 71.2 \/ 99.5<\/th>\n<td>3<\/td>\n<td>5 N\u00b7m<\/td>\n<td>15 N\u00b7m<\/td>\n<td>73%<\/td>\n<td>53.2 mm<\/td>\n<td>440 g<\/td>\n<\/tr>\n<tr>\n<th colspan=\"2\">No-load backlash<\/th>\n<td colspan=\"5\">1.2\u00b0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/article>\n<div class=\"sl-tech-grid\">\n<figure class=\"sl-tech-figure\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-motor-dimensional-drawing.png\" alt=\"SP42 42 mm hybrid rotary stepper motor dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>Motor dimensional drawing<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-torque-speed-curves-24-vdc.png\" alt=\"SP42 torque-speed curves at 24 VDC\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>Torque-speed curves \u2014 constant-current drive, 24 VDC, 2-phase excitation<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure sl-tech-figure--crop-bottom\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-ek1-encoder-dimensions.png\" alt=\"SP42 EK1 encoder dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>EK1 encoder dimensions<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure sl-tech-figure--crop-bottom\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-ek2-encoder-dimensions.png\" alt=\"SP42 EK2 encoder dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>EK2 encoder dimensions<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure sl-tech-figure--crop-bottom\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-ek7-encoder-dimensions.png\" alt=\"SP42 EK7 encoder dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>EK7 encoder dimensions<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-power-off-brake-dimensions.png\" alt=\"SP42 optional power-off brake dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>Optional power-off brake dimensions<\/figcaption><\/figure>\n<figure class=\"sl-tech-figure\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/sp42-planetary-gearbox-dimensional-drawing.jpg\" alt=\"SP42 optional planetary gearbox dimensional drawing\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><figcaption>Optional planetary gearbox dimensions<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-integration\" class=\"sl-fullbleed sl-showcase\">\n<div class=\"sl-inner sl-showcase-grid\">\n<div>\n<div class=\"sl-kicker\">System integration<\/div>\n<h2 class=\"sl-title\">Configure the motor, feedback and transmission around the axis<\/h2>\n<p>Choose the base motor by holding torque, current and length, then match the encoder, brake or gearbox to the control and mechanical requirements of the machine.<\/p>\n<ul class=\"sl-checks\">\n<li>Verify the required operating point against the 24 V torque-speed curves<\/li>\n<li>Select single-ended or differential encoder output to match the controller<\/li>\n<li>Confirm gearbox ratio, brake holding requirement, shaft load and installation envelope<\/li>\n<\/ul>\n<\/div>\n<div class=\"sl-product-visual\"><img decoding=\"async\" src=\"https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-scaled.png\" alt=\"SP42 42 mm hybrid rotary stepper motor\" title=\"SP42 42 mm Hybrid Rotary Stepper Motor\"><\/div>\n<\/div>\n<\/section>\n<section id=\"sl-applications\" class=\"sl-fullbleed sl-section sl-applications\">\n<div class=\"sl-inner\">\n<div class=\"sl-kicker\">Application fields<\/div>\n<h2 class=\"sl-title\">Compact stepper motion for automation equipment<\/h2>\n<p class=\"sl-lead\">The 42 mm platform fits precise rotary axes that require flexible torque, feedback and transmission choices.<\/p>\n<div class=\"sl-application-grid\">\n<article class=\"sl-application-card\">\n<h3>Industrial automation<\/h3>\n<p>Indexing, feeding, positioning and auxiliary machine axes.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Medical and laboratory systems<\/h3>\n<p>Compact pumps, sample handling and instrument mechanisms.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Robotics<\/h3>\n<p>Grippers, rotary joints and compact positioning modules.<\/p>\n<\/article>\n<article class=\"sl-application-card\">\n<h3>Precision equipment<\/h3>\n<p>Optical, inspection and measurement mechanisms requiring repeatable motion.<\/p>\n<\/article>\n<\/div>\n<\/div>\n<\/section>\n<section id=\"sl-consultation\" class=\"sl-fullbleed sl-cta\">\n<div class=\"sl-inner sl-cta-inner\">\n<div>\n<h2>Discuss your 42 mm stepper motor requirement with our engineers.<\/h2>\n<p>Share the load, speed, duty cycle, feedback, brake, gearbox and installation requirements for configuration support.<\/p>\n<\/div>\n<p><a class=\"sl-button\" href=\"https:\/\/spotlight-motor.com\/contact\/\">Request consultation&nbsp;&nbsp;\u2192<\/a><\/div>\n<\/section>\n<section class=\"sl-fullbleed sl-related\">\n<div class=\"sl-inner sl-related-inner\">\n<div>\n<h3>Explore related motion solutions<\/h3>\n<p>Compare additional motors, actuators and drive products for your next machine design.<\/p>\n<\/div>\n<p><a href=\"https:\/\/spotlight-motor.com\/products\/\">View all products&nbsp;\u2192<\/a><\/div>\n<\/section>\n<\/div>\n<style>body.postid-5446 .sl-data-table tbody th{padding:16px 20px;border:0;border-bottom:1px solid #e4e9ed;background:#fff;color:#18222c;font-size:15px;font-weight:600;letter-spacing:normal;text-align:left;text-transform:none;white-space:nowrap}body.postid-5446 .sl-data-table tbody tr:nth-child(even) th{background:#f7f9fa}@media(max-width:768px){body.postid-5446 .sl-data-table thead th:first-child{position:sticky;left:0;z-index:3;background:#0b141c;color:#fff}body.postid-5446 .sl-data-table tbody th{position:sticky;left:0;z-index:2;background:#fff;color:#18222c;box-shadow:1px 0 0 #dfe5ea}body.postid-5446 .sl-data-table tbody tr:nth-child(even) th{background:#f7f9fa}}<\/style>\n<style id=\"sp42-hero-responsive-fix\">\nbody.postid-5446 [data-id=\"6b5eb82\"]{background:radial-gradient(circle at 78% 42%,rgba(126,174,213,.18),transparent 34%),linear-gradient(135deg,#f7f8f9 0%,#eef2f5 100%)}\nbody.postid-5446 [data-id=\"3ccf48a\"] .elementor-widget-container{max-width:760px;font-size:clamp(42px,4vw,68px);font-weight:300;line-height:1.06;letter-spacing:-.035em;color:#101419}\nbody.postid-5446 [data-id=\"691a024\"],body.postid-5446 [data-id=\"691a024\"]>.elementor-widget-container,body.postid-5446 [data-id=\"691a024\"] .elementor-shortcode{height:auto!important;min-height:30px!important;margin-top:0!important;overflow:visible!important}\nbody.postid-5446 [data-id=\"4ae4c9b\"] .elementor-widget-container{max-width:660px;font-size:19px;line-height:1.75;color:#48515b}\nbody.postid-5446 [data-id=\"0533c39\"] img{filter:drop-shadow(0 30px 38px rgba(14,26,38,.17));transform:scale(.9)}\n@media(max-width:767px){body.postid-5446 .eael-breadcrumbs__content.woocommerce-breadcrumb{display:flex!important;flex-wrap:nowrap!important;align-items:center!important;box-sizing:border-box;width:100%;max-width:100%;min-height:40px;padding:9px 18px!important;gap:0!important;overflow-x:auto!important;overflow-y:hidden!important;white-space:nowrap!important;font-size:12px!important;line-height:1.5!important;scrollbar-width:none;-webkit-overflow-scrolling:touch}body.postid-5446 .eael-breadcrumbs__content.woocommerce-breadcrumb::-webkit-scrollbar{display:none}body.postid-5446 .eael-breadcrumbs__content.woocommerce-breadcrumb>*{display:inline-block!important;flex:0 0 auto!important;min-width:max-content!important;margin:0!important;white-space:nowrap!important;font-size:12px!important;line-height:1.5!important}body.postid-5446 .eael-breadcrumbs__content.woocommerce-breadcrumb .eael-breadcrumb-separator{margin:0 7px!important}body.postid-5446 [data-id=\"6b5eb82\"]{min-height:auto!important;padding-bottom:44px!important}body.postid-5446 [data-id=\"3ccf48a\"] .elementor-widget-container{font-size:38px}body.postid-5446 [data-id=\"4ae4c9b\"] .elementor-widget-container{font-size:17px;line-height:1.65}}\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>SP42 \u662f\u4e00\u6b3e 42 mm \u6df7\u5408\u5f0f\u65cb\u8f6c\u6b65\u8fdb\u7535\u673a\u7cfb\u5217\uff0c\u4fdd\u6301\u8f6c\u77e9\u4e3a 0.16\u20130.72 N\u00b7m\uff0c\u989d\u5b9a\u7535\u6d41\u4e3a 1.2\u20132 A\uff0c\u7535\u673a\u957f\u5ea6\u4e3a 30.1\u201360.1 mm\u3002\u53ef\u9009\u7f16\u7801\u5668\u3001\u65ad\u7535\u5236\u52a8\u5668\u548c\u884c\u661f\u51cf\u901f\u7bb1\uff0c\u9002\u7528\u4e8e\u7d27\u51d1\u578b\u81ea\u52a8\u5316\u8f74\u7cfb\u3002<\/p>","protected":false},"featured_media":5438,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_brand":[],"product_cat":[88,57],"product_tag":[],"class_list":["post-5446","product","type-product","status-publish","has-post-thumbnail","product_cat-hybrid-rotary-stepper-motor","product_cat-basic-motion-control","desktop-align-left","tablet-align-left","mobile-align-left","first","instock","shipping-taxable","product-type-simple"],"acf":[],"uagb_featured_image_src":{"full":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-scaled.png",2560,2560,false],"thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-150x150.png",150,150,true],"medium":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-300x300.png",300,300,true],"medium_large":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-768x768.png",768,768,true],"large":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-1024x1024.png",1024,1024,true],"1536x1536":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-1536x1536.png",1536,1536,true],"2048x2048":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-2048x2048.png",2048,2048,true],"trp-custom-language-flag":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-scaled.png",12,12,false],"woocommerce_thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-300x300.png",300,300,true],"woocommerce_single":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-600x600.png",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/spotlight-motor.com\/wp-content\/uploads\/2026\/09\/42-series-hybrid-stepper-motor-4k-transparent-100x100.png",100,100,true]},"uagb_author_info":{"display_name":"meishuyangol@gmail.com","author_link":"https:\/\/spotlight-motor.com\/zh\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"SP42 is a 42 mm hybrid rotary stepper motor series with 0.16\u20130.72 N\u00b7m holding torque, 1.2\u20132 A rated current and 30.1\u201360.1 mm motor lengths. Encoder, power-off brake and planetary gearbox options are available for compact automation axes.","_links":{"self":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product\/5446","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/comments?post=5446"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media\/5438"}],"wp:attachment":[{"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/media?parent=5446"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_brand?post=5446"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_cat?post=5446"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/spotlight-motor.com\/zh\/wp-json\/wp\/v2\/product_tag?post=5446"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}