1.8º Size 42 Hybrid Stepping Motor

General Specifications

Item	Specification
Step Angle Accuracy	5% (Full Step No Load)
Resistance Accuracy	± 10%
Inductance Accuracy	± 20%
Tempature Rise	80ºC Max. (rated current, 2phase on)
Ambient Temperature	-10ºC ~ +50ºC
Insulation Resistance	100MΩ Min., 500 Vdc
Dielectric Strength	500 Vac for one minute
Shaft Radial Play	0.06 Max (450 g-load)
Shaft Axial Play	0.08 Max (450 g-load)

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Size 42 High Torque Stepping Motor Specifications

Model No.	# of Lead	Connection			PER PHASE			Holding Torque		Detent toque	Rotor Inertia	Weight
		Connection			Current	Resistance	Inductance	Holding Torque		Detent toque	Rotor Inertia	Weight
		Uni-P.	Bi-Polar		A	Ohm	mH	Oz-in	N.m	N.m	g-cm²	Kg
42H390H-420-8A/B	8	*			4.2	1.76	13.2	991	7.0	0.3	5500	5
42H390H-290-8A/B			S		2.9	3.52	52.8	1388	9.8
42H390H-590-8A/B				P	5.9	0.88	13.2	1388	9.8
42H390H-420-8A/B	8	*			6.0	0.85	6.7	991	7.0	0.3	5500	5
42H390H-290-8A/B			S		4.2	1.7	26.8	1388	9.8
42H390H-590-8A/B				P	8.4	0.425	6.7	1388	9.8
42H580H-420-8A/B	8	*			4.2	2.7	26.5	1983	14.0	0.6	11000	8.4
42H580H-290-8A/B			S		2.9	5.4	106.0	2776	19.6
42H580H-590-8A/B				P	5.9	1.35	26.5	2776	19.6
42H580H-420-8A/B	8	*			6.0	1.3	13.4	1983	14.0	0.6	11000	8.4
42H580H-290-8A/B			S		4.2	2.6	53.6	2776	19.6
42H580H-590-8A/B				P	8.4	0.65	13.4	2776	19.6

Motor Dimensions

Wiring Diagram

Length

Model #	A
Model #	Inches	mm
42H390H	3.86	98
42H580H	5.75	146

Motor Modification Options

Motor : Special length, Windings Bearings, & Threads
Shaft : Flat, Pinion, Keyway, Length
Lead wire: Type, Color, Length, Connector Installation