WCB-50 pages

A L L TO R Q LT D
Industrial Clutch, Brake & Motion Control Specialists

WCB-5 Wrap Spring Clutch/ Brake:

Superior Positioning Accuracy - ± 0.5º Non Cumulative
Superior Life - Over 10 Million Cycles*
Fast - 3mS Acceleration/ 1.5mS Deceleration time
Maximum Speed - 750 RPM (standard)
Maximum Torque - 28.25Nm (standard)
Optimized Production - FAST

Performance Data:
Static Torque

Bore & Keyway Data:

250 lb-in/ 28.25 Nm

Maximum Anti Overrun
Torque
Maximum Anti Back
Torque

45 lb-in/ 5.08 Nm

Bore (A)

Pin Hole (B)

0.5005 - 0.5025/ 12.712 0.124 - 0.129/ 3.14 - 3.28
12.764

(inch/ metric)
Set Screws (C)

Screw Data (D)

8-32 x 0.25 Set Screw

3 x 10-32UNF-2B on
1.5 PCD

160 lb-in/ 18.08 Nm

Inertia (Rotating Parts)

0.1950 lb-in²/ 5.85-5 Kgm²

Maximum Speed

3 x M5 x 0.7 x 6 on
23.83 PCD

750 RPM

Weight

0.4724 - 0.4741/
12.00 H9

3 lb/ 1.37 Kg

0.117 - 0.121/ 2.97 - 3.08 M4 x 0.7 x 6.0 Set Screw

Electrical Data: (100% ED. Intermittent Duty Options Available)
Voltage

Current

Resistance

Notes

115 VAC/ 60Hz

0.103 A

280.0 Ω

0.232 A inrush/ 0.098 A holding

24 VDC

0.325 A

74.0 Ω

12 VDC

0.732 A

16.4 Ω

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