Stepper Motors

Stepper motors are DC motors that move in steps. Having computer-controlled stepping means you can get very precise positioning and speed control. As stepper motors have precise repeatable steps they are ideal for applications that require precise positioning. Normal DC motors don't have much torque at low speeds but a stepper motor features maximum torque at low speeds.

For a comprehensive guide to Stepper Motors please see our guide web/generalDisplay.html?id=ideas-and-advice/stepper-motors-guide

Benefits of Stepper Motors

Excellent Slow Speed Torque
Precise Positioning
Long lifespan
Flexible application
Low-Speed Synchronous Rotation
Reliable

Types of Stepper Motors

Bipolar Stepper Motor

Bipolar Stepper Motors contain an onboard driver that uses an H bridge circuit to reverse the current flow through the phases. Bipolar motors are generally better than unipolar motors. They have more torque and are more efficient. Bipolar stepper motors use electromagnetic coils which are energized on command, to turn a shaft. Using this system, the shaft can be turned in measured movements, and can also be reversed.

Hybrid Stepper Motor

Hybrid Stepper Motors allow for yet more precision, through techniques such as half-stepping and micro-stepping. Microstepping is a way of increasing the fixed number of steps within a motor by programming a driver to send an alternating sine/cosine waveform to the coils. Hybrid stepper motors combine aspects of both permanent magnet (PM) and variable reluctance (VR) stepper motors.

Permanent Magnet Stepper Motor

Permanent Magnet Stepper Motor has a rotor that is made from two permanent magnet rotors which are slightly offset from each other. It’s an electromechanical energy conversion device, which converts electrical energy to mechanical energy.

Applications

3D Printers
CNC
Camera Platforms
Robotics
Process Automation

Why use a Stepper Motor?

Stepper motors are an incredibly versatile, reliable, cost-effective, and accurate way of controlling precise motor movements, allowing users to increase the dexterity and efficiency of programmed movements across a huge variety of applications and industries.

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Festo EMMS-ST Series Hybrid Stepper Motor, 0.5Nm Torque, 48 V, 1.8°, 5mm Shaft RS Stock No.: 181-6679 Mfr. Part No.: EMMS-ST-42-S-SE-G2 Datasheets: HK$2,981.90 Each	Festo	Hybrid	1.8°	0.5Nm	-	48 V	-	5mm	1.8 A	-	24mm	94mm	-	1.75Ω	-	-	1740 rpm
Portescap Disc Magnet Stepper Motor, 14mNm Torque, 4 V, 6°, 32 x 35.5mm Frame, 4mm Shaft RS Stock No.: 892-9167 Mfr. Part No.: P310-158-005.10 Datasheets: HK$1,823.30 Each	Portescap	Disc Magnet	6°	14mNm	8	4 V	32 x 35.5mm	4mm	360 mA	Series	10.5mm	-	15	10.5Ω	-	-	11500 rpm
McLennan Servo Supplies Permanent Magnet Stepper Motor, 3.9mNm Torque, 5 V, 18°, 1.5mm Shaft RS Stock No.: 368-0261 Mfr. Part No.: 15M020D-1B Datasheets: HK$268.50 Each	McLennan Servo Supplies	Permanent Magnet	18°	3.9mNm	4	5 V	-	1.5mm	125 mA	Bipolar	8.5mm	15.11mm	2	40Ω	-	-	-
Sanyo Denki SANMOTION 103H7 Series Hybrid, Single Shaft Stepper Motor, 2.7Nm Torque, 24 V, 1.8°, 60 x 60mm Frame, 8mm RS Stock No.: 878-7673 Mfr. Part No.: 103H7823-1740 Datasheets: HK$751.60 Each	Sanyo Denki	Hybrid, Single Shaft	1.8°	2.7Nm	6	24 V	60 x 60mm	8mm	4 A	Bipolar	20.6mm	87.3mm	-	2.4Ω	-	-	-
Sanyo Denki 103H5 Series Hybrid, Single Shaft Stepper Motor, 0.30Nm Torque, 24 V, 1.8°, 42 x 42mm Frame, 5mm Shaft RS Stock No.: 136-6713 Mfr. Part No.: 103H5208-0483 Datasheets: HK$477.50 Each	Sanyo Denki	Hybrid, Single Shaft	1.8°	0.30Nm	6	24 V	42 x 42mm	5mm	1.2 A	Unipolar	24mm	42mm	-	2.9Ω	-	-	-
Sanyo Denki Single Shaft Stepper Motor, 0.29Nm Torque, 24 V, 1.8° RS Stock No.: 236-9010 Mfr. Part No.: DB14S421S Datasheets: HK$1,506.20 Each	Sanyo Denki	Single Shaft	1.8°	0.29Nm	4	24 V	-	-	-	-	-	-	-	-	-	-	-
Schneider Electric Lexium SD3 Series Rotational Stepper Motor, 100 - 240 V RS Stock No.: 288-2200 Mfr. Part No.: SD328AU25S2 Datasheets: HK$17,140.10 Each	Schneider Electric	Rotational	-	-	-	100 - 240 V	-	-	-	-	-	-	-	-	-	-	-
McLennan Servo Supplies Permanent Magnet Stepper Motor, 1.0Nm Torque, 5 V, 7.5°, 4mm Shaft RS Stock No.: 351-4647 Mfr. Part No.: P542-M481U-G23L82 Datasheets: HK$739.80 Each	McLennan Servo Supplies	Permanent Magnet	7.5°	1.0Nm	6	5 V	-	4mm	550 mA	Unipolar	17.2mm	25mm	2	9.1Ω	-	-	-
Festo EMMS-ST Series Hybrid Stepper Motor, 9.3Nm Torque, 48 V, 1.8°, 11mm Shaft RS Stock No.: 181-6699 Mfr. Part No.: EMMS-ST-87-L-SE-G2 Datasheets: HK$4,944.10 Each	Festo	Hybrid	1.8°	9.3Nm	-	48 V	-	11mm	9.5 A	-	27mm	174.9mm	-	0.23Ω	-	-	430 rpm
Schneider Electric Lexium SD3 Series Single Shaft Stepper Motor, 1.7Nm Torque, 230 V ac, 0.09 °, 0.9 °, 0.18 °, 0.036 RS Stock No.: 119-579 Mfr. Part No.: BRS368W130ABA Datasheets: HK$5,068.30 Each	Schneider Electric	Single Shaft	0.09 °, 0.9 °, 0.18 °, 0.036 °, 0.36 °, 0.072 °, 0.72 °, 1.8 °	1.7Nm	-	230 V ac	116 x 38mm	8mm	-	-	-	-	-	-	-	-	-
Sanyo Denki SH21 Series Hybrid, Single Shaft Stepper Motor, 6.5mNm Torque, 24 V, 1.8°, 14 x 14mm Frame, 4mm Shaft RS Stock No.: 829-3534 Mfr. Part No.: SH2141-5541 Datasheets: HK$820.10 Each	Sanyo Denki	Hybrid, Single Shaft	1.8°	6.5mNm	4	24 V	14 x 14mm	4mm	300 mA	Bipolar	15mm	31.5mm	-	21Ω	-	-	-
Schneider Electric Lexium SD3 Series Single Shaft Stepper Motor, 4.52Nm Torque, 230 V ac, 0.09 °, 0.9 °, 0.18 °, 0.036 RS Stock No.: 119-259 Mfr. Part No.: BRS39AW360ABA Datasheets: HK$8,091.39 Each	Schneider Electric	Single Shaft	0.09 °, 0.9 °, 0.18 °, 0.036 °, 0.36 °, 0.072 °, 0.72 °, 1.8 °	4.52Nm	-	230 V ac	141 x 60mm	12mm	-	-	-	-	-	-	-	-	-
McLennan Servo Supplies Permanent Magnet Stepper Motor, 1.0Nm Torque, 5 V, 7.5°, 4mm Shaft RS Stock No.: 351-4625 Mfr. Part No.: P542-M481U-G11L82 Datasheets: HK$675.70 Each	McLennan Servo Supplies	Permanent Magnet	7.5°	1.0Nm	6	5 V	-	4mm	550 mA	Unipolar	17.2mm	25mm	2	9.1Ω	-	-	-
Portescap CanStack Stepper Motor, 11mNm Torque, 12 V, 18°, 20.5 x 31mm Frame, 1.5mm Shaft RS Stock No.: 892-9299 Mfr. Part No.: 20M020D2B Datasheets: HK$270.50 Each	Portescap	CanStack	18°	11mNm	4	12 V	20.5 x 31mm	1.5mm	100 mA	Bipolar	8.5mm	24.88mm	5	115.2Ω	-	-	1200 rpm
Schneider Electric Lexium SD3 Series Single Shaft Stepper Motor, 1.7Nm Torque, 230 V ac, 0.09 °, 0.9 °, 0.18 °, 0.036 RS Stock No.: 119-374 Mfr. Part No.: BRS368W130ACA Datasheets: HK$7,981.68 Each	Schneider Electric	Single Shaft	0.09 °, 0.9 °, 0.18 °, 0.036 °, 0.36 °, 0.072 °, 0.72 °, 1.8 °	1.7Nm	-	230 V ac	116 x 31mm	8mm	-	-	-	-	-	-	-	-	-
Sanyo Denki Single Shaft Stepper Motor, 0.8Nm Torque, 24 V, 1.8° RS Stock No.: 236-9013 Mfr. Part No.: DB14S424S Datasheets: HK$1,637.00 Each	Sanyo Denki	Single Shaft	1.8°	0.8Nm	4	24 V	-	-	-	-	-	-	-	-	-	-	-
Portescap CanStack Stepper Motor, 11mNm Torque, 5 V, 18°, 20.5 x 31mm Frame, 1.5mm Shaft RS Stock No.: 892-9296 Mfr. Part No.: 20M020D1B Datasheets: HK$237.40 Each	Portescap	CanStack	18°	11mNm	4	5 V	20.5 x 31mm	1.5mm	250 mA	Bipolar	8.5mm	24.88mm	5	20Ω	-	-	1200 rpm
Schneider Electric GBX Series Stepper Motor, 40Nm Torque, 14mm Shaft RS Stock No.: 288-7188 Mfr. Part No.: GBX060005K Datasheets: HK$4,849.70 Each	Schneider Electric	-	-	40Nm	-	-	-	14mm	-	-	-	-	-	-	-	-	-
Schneider Electric SD3 Series Stepper Motor, 240 V RS Stock No.: 276-2324 Mfr. Part No.: SD326DU68S2 Datasheets: HK$24,106.71 Each	Schneider Electric	-	-	-	-	240 V	-	-	-	-	-	-	-	-	-	-	-
Sanyo Denki Single Shaft Stepper Motor, 0.43Nm Torque, 24 V, 1.8° RS Stock No.: 236-9011 Mfr. Part No.: DB14S422S Datasheets: HK$2,502.00 Each	Sanyo Denki	Single Shaft	1.8°	0.43Nm	4	24 V	-	-	-	-	-	-	-	-	-	-	-