NEW WARNER PB-250

The Warner Electric PB-250 is a Primary Brake (PB Series) electromagnetic brake consisting of a magnet, armature, and mounting hub in a compact, modular design. It is engineered for power-on braking applications where a rotating load must be stopped, and is user-assembled from standard components to accommodate a wide range of machine configurations and mounting requirements. The PB-250 is UL508 listed and CSA certified, making it suitable for industrial machinery and automation applications.
Specification
Value
Brand
Warner Electric
Model / Part Number
PB-250
Series
PB Series (Primary Brake)
Product Type
Electric Brake
Static Torque
70 lb.in.
Maximum RPM
7,500 RPM
Voltage (DC)
6 VDC / 24 VDC / 90 VDC (specify at order)
Current Type
DC
Brake Operation
Power-On (Electrically Engaged)
Mounting Type
Flange Mounted
Magnet Dimensions (90VDC variant)
2-5/8" L x 2-5/8" W
Bore Size
User-specified (e.g., 3/8" to 5/8"; up to 1" for magnet)
Keyway
Yes (key required in shaft keyway)
Components
Magnet, Armature, Mounting Hub
UL Listing
UL508 Listed – Guide Card #NMTR2, File #59164
CSA Certification
CSA Certified – File #LR11543
Manufacturer
Warner Electric LLC (an Altra Industrial Motion brand)
We warranty all items for 30 days from date of purchase.