This listing is for a Warner Electric Brake Module 
Model: EM 50-20

Specifications:
Brand: Warner Electric
Type: Brake Module
Condition: Used
Voltage: 90VDC
Power: 20W
Max Speed: 3600 RPM
Frame: NEMA 48Y-56C
Part Number: 5370-169-042
With: EM 50-10 Motor Clutch
Weight: 11.60 lb

This item is exactly as pictured.