Home / Products / Stepper Motor / Closed Loop Stepper Motor / Nema 23 BF57HSN21 Hybrid Bipolar Closed Loop Stepper Motor with Encoder 1.8 Degree 2.1N.m (297.38oz.in) 57x57x76mm 4.2A 4 Wires

Nema 23 BF57HSN21 Hybrid Bipolar Closed Loop Stepper Motor with Encoder 1.8 Degree 2.1N.m (297.38oz.in) 57x57x76mm 4.2A 4 Wires

Type: Nema23 2Phase Bipolar Closed Loop Servo Stepper Motor

Current: 4.2A

Resistance: 0.6Ω

Rated Torque: 2.1N.m(297.38oz.in)

Model:
BF57HSN21
Brand:
BesFoc
Steper Motor Kinds:
Closed Loop Motors
Stepper Motor Size:
Nema23 (57mm)
Number of Leads:
4wires
Phase:
2 phase
Step Angle:
1.8°
MOQ:
10 Pcs


Availability:



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BesFoc Nema 23 bipolar closed loop stepper stepping motor (BF57HSN21) with step angle 1.8deg and size 57x57x76mm. It has 4 wires, 4.2A, 0.6Ω 2mH and with holding torque 2.1N.m(297.38oz.in). For more different stepper motors requirements (such as gearbox, brake, encoder, or integrated motors), please contact us!!!

Electrical Specifications：

Type: Nema23 bipolar closed loop stepping stepper motor
Model Name: BF57HSN21
Phase: 2
Step Angle: 1.8 degree
Current: 4.2A
Resistance: 0.6Ω±0.1(20℃)
Inductance: 2mH±20%(1kHz 1V RMS)
Holding Torque: 2.1N.cm (297.38oz.in)
Insulation Class: B(130°); 80K Max.
Optional Parts: Gearbox, Encoder, Brake, Integrated Driver...

Physical Specifications:

Frame Size: Nema 23 ( 57 x 57mm)
Body Length: 76mm
Shaft Diameter: 8mm
Shaft Length: 21mm

Wires Connection:

Closed Loop Stepper Motor Wires Connection:

A+	A-	B+	B-
Black	Green	Red	Blue

Encoder Wires Connection:

EA+	Encoder A+ phase input	Black
EA-	Encoder A- phase input	Blue
EB+	Encoder B+ phase input	Yellow
EB-	Encoder B- phase input	Green
Vcc	Encoder Voltage (+5V)	Red
EGND	Encoder Grand (0V)	White

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Physical Specification
Frame Size	mm	Nema 23 (57 x 57)
Output Shaft Type	/	D-cut Shaft
Shaft Diameter	mm	8
Shaft Length	mm	21
Body Length	mm	76
Single Shaft /Dual Shaft	/	Single Shaft
No. of Leads	/	4
Leads Length	mm	300
Weight	Kg	1.1

Physical Specification
Frame Size	mm	Nema 23 (57 x 57)
Output Shaft Type	/	D-cut Shaft
Shaft Diameter	mm	8
Shaft Length	mm	21
Body Length	mm	76
Single Shaft /Dual Shaft	/	Single Shaft
No. of Leads	/	4
Leads Length	mm	300
Weight	Kg	1.1