Product Description
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.
Technical Specifications
| 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.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
GTIN 679523686161
Manufacturer Warner
Part Number PB-250
Shelf D-11
Model PB-250
MPN PB-250
Type Brake
