Junqi Nema23 Dual Shaft Stepper Motor 57HS4120B4/ B4D8 Holing Torque 0.55N.m/0.7N.m
General Specifications:
| Step Angle Accuracy | ±5% | 
| Resistance Accuracy | ±10% | 
| Inductance Accuracy | ±20% | 
| Temperature Rise | 80℃ Max | 
| Ambient Temperature | -20℃~+50℃ | 
| Insulation Resistance | 100MΩMin. 500V DC | 
| Dielectric Strength | 500VAC 1minute | 
Electrical Specification:
| Model | Step Angle(°) | Rated Current (A) |  			 Phase Resistance (Ω)  |  			 			 PhaseInductance (mH)  |  			Holding Torque (N.m) | Detent Torque (N.m) | Rotor Inertia (g.cm2) | Motor Length (mm) | Lead wire ( No.) | Motor Weitht(g) | 
| 57HS4120B4 | 1.8 | 2 | 1.2 | 2.5 | 0.55 | 2.5 | 150 | 41 | 4 | 470 | 
| 57HS4120B4D8 | 1.8 | 2 | 1.3 | 3.3 | 0.7 | 2.6 | 68 | 41 | 4 | 450 | 
Mechanical Dimensions:
57HS4120B4

57HS4120BD8

Wiring Diagram:

If this motor do not match with your request. Please feel free to contact with us,We can make customized shaft / winding / mounting flange / cable / connector.We will works side-by-side with you and your team to design a motor that will fit the precise needs of your application. All Engineering and Support is done in-house.
Accessories service: gearbox, connector
Customized Design: Customized Winding, Customized Flange, Customized Shaft....

FAQ:
Q:How long is the lead time of orders?
A:Lead time : 4 weeks after receive the deposit
Q:What is your trade Assurance?
A:100% product quality protection.
100% product on time shipment protection.
100% payment protection for your covered amount.
Q: What’s Moq?
A: 5PCS. Small Order Welcome.
Q:Do You Make Customized Product?
A:Yes,We Accpet IT.
Q:About After Sale Serive?
A: After Sales Services 24/7.
Q: What should I do if I'm not satisfied with your product?
A: If there are defects in its quality, we can exchange a good one for you.
Generally, this problem is rare.
Q:What is the payment term?
A:T/T and Paypal is used more,please contact us for details
Q:What is the quality level of your product?
A:We produce good quality, refuse to produce low quality