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42mm NEMA 17 0.9/1.8 Degree Permanent Magnet Electric Step Stepper Motor with Hollow Shaft

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Basic Info

Product Description

Model NO.

JT245BP20

Certification

ISO9001, ISO14001

Specification

CE, RoHS, ISO

Origin

Changzhou, Jiangsu, China

HS Code

8501310000

Description:

Step angel:1.8°
Motor size: NEMA17 42mm
Holding torque:0.2N.m-0.8N.m
Options:Brake,Encoder,Plantary gear box

CE and RoHS approved

Applications
Use for robots stepper motor, electric automatic equipment stepping motor, medical instrument stepping motor, advertisement instrument stepper motor, lighting& audio equipment stepper motor, printer stepper motor, textile machinery stepper motor,CNC router stepper motor,3D Printer stepper motor.

Motor Specifications

nema17, 1.8 degree
Model Number	Holding torque	Rated Cuttent	Wiring Resisitance	Winding Inductance	Rotor Inertia	Mass	Motor Length	Connection Mode
Single Shaft	N.m min	A/Phase	Ω/Phase @20ºC	Mh/Phase	g.cm²	kg	mm
JT242BP06	0.16	0.6	6.6	9.5	23	0.2	31	Connector
JT242BP12	0.16	1.2	1.8	2.4	23	0.2	31
JT243BP06	0.25	0.6	8	16.5	35	0.24	35
JT243BP12	0.25	1.2	2.1	4.2	35	0.24	35
JT244BP12	0.4	1.2	2.5	5.5	54	0.3	41
JT244BP20	0.4	2	1.05	2.1	54	0.3	41
JT245BP12	0.48	1.2	3.1	8	77	0.36	49
JT245BP20	0.48	2	1.35	3.2	77	0.36	49
JT246BP12	0.72	1.2	4	11	110	0.5	61
JT246BP20	0.72	2	1.75	4	110	0.5	61
JT243UP12	0.17	1.2	2.4	2.2	35	0.24	35
JT244UP12	0.28	1.2	3	3	54	0.3	41
JT245UP12	0.33	1.2	3.7	4.6	77	0.36	49

nema17, 0.9 degree
Model Number	Holding torque	Rated Cuttent	Wiring Resisitance	Winding Inductance	Rotor Inertia	Mass	Motor Length	Connection Mode
Single Shaft	N.m min	A/Phase	Ω/Phase @20ºC	Mh/Phase	g.cm²	kg	mm
JT443BP12	0.25	1.2	2	5	35	0.24	35	Connector
JT444BP20	0.4	2	1.1	3	54	0.3	41
JT445BP20	0.5	2	1.4	4	77	0.36	49

nema17, 1.8 degree, Brake
Model Number	Holding torque	Rated Cuttent	Wiring Resisitance	Winding Inductance	Rotor Inertia	Brake static friction torque	Volt/Watt	Motor Weight
Single Shaft	N.m min	A/Phase	Ω/Phase @20ºC	Mh/Phase	g.cm²	N.m	v/w	kg
JT244B20M	0.4	2	1.05	2.1	54	0.5	24VDC/3.5W	0.3
JT245B20M	0.48	2	1.35	3.2	77			0.36
JT246B20M	0.72	2	1.75	4	110			0.5