NEMA 23 Stepper Motor (57mm), 1.8°, 2-Phase Bipolar – ZGC

Products

NEMA 23 Stepper Motor (57mm), 1.8°, 2-Phase Bipolar

Robust Torque Output: Delivers a powerful 0.8-3.2 Nm torque range, providing ample force for demanding industrial mechanisms.
Proven Reliability & Efficiency: The standard 1.8° step angle and 2-phase bipolar design ensure consistent performance and high torque density in continuous operation.
Industrial-Standard Design: Built to the universal NEMA 23 standard (57mm frame) for robust performance and easy integration into a wide range of equipment.
Versatile Industrial Application: Engineered to drive mechanisms in ATM machines, textile equipment, and printing machinery with reliability.

Motor Specifications

Model	Current	Resistance	Inductance	Holding torque		Inertia	Length	Weight
Model	A	Ω±10%	mH±20%	N.m	OZ.in	g/cm²	mm Max	Kg	Lbs
SD57H242-0104	1.0	4.2	9.0	0.6	85.0	14.0	42.5	0.46	1.0
SD57H242-0204	2.0	1.2	2.3	0.6	85.0	14.0	42.5	0.46	1.0
SD57H242-0304	3.0	0.5	1.0	0.6	85.0	14.0	42.5	0.46	1.0
SD57H245-0104	1.0	4.5	11.0	0.8	113.3	180	45.5	0.52	1.2
SD57H245-0204	2.0	1.3	2.9	0.8	113.3	180	45.5	0.52	1.2
SD57H245-0304	3.0	0.6	1.3	0.8	113.3	180	45.5	0.52	1.2
SD57H251-0104	1.0	5.3	16.4	1.0	141.6	240	51.5	0.64	1.4
SD57H251-0204	2.0	1.5	4.4	1.0	141.6	240	51.5	0.64	1.4
SD57H251-0304	3.0	0.7	2.0	1.0	141.6	240	51.5	0.64	1.4
SD57H255-0104	1.0	5.8	21.0	1.2	170.0	280	55.5	0.72	1.6
SD57H255-0204	2.0	1.6	5.3	1.2	170.0	280	55.5	0.72	1.6
SD57H255-0304	3.0	0.7	2.4	1.2	170.0	280	55.5	0.72	1.6
SD57H265-0204	2.0	2.0	6.1	1.7	240.8	350	65.5	0.86	1.9
SD57H265-0304	3.0	0.9	3.0	1.7	240.8	350	65.5	0.86	1.9
SD57H265-0404	4.0	0.5	1.6	1.7	240.8	350	65.5	0.86	1.9
SD57H276-0204	2.0	2.4	9.0	2.0	283.3	480	76.5	1.06	2.3
SD57H276-0304	3.0	1.1	4.2	2.0	283.3	480	76.5	1.06	2.3
SD57H276-0404	4.0	0.6	2.4	2.0	283.3	480	76.5	1.06	2.3
SD57H280-0304	3	1.2	4.5	2.2	311.6	520	80.5	1.2	2.6
SD57H280-0404	4	0.65	2.5	2.2	311.6	520	80.5	1.2	2.6
SD57H280-0504	5	0.36	1.76	2.2	311.65	520	80.5	1.2	2.6
SD57H2100-0404	4	0.88	3.2	3	425	720	101	1.5	3.25
SD57H2100-0504	5	0.5	2.3	3	425	720	101	1.5	3.25

UNIT:mm

NEMA 23 Stepper Motor (57mm), 1.8° Dimension Drawing & Specs