The PB Series brakes consist of a magnet, armature, and mounting hub in a very simple and extremely compact design.
SPECIFICATIONS
| Model Name | PB Series PB-1225 Heavy Duty |
| Function | Primary Brake |
| Max. Rated Torque | 465 lb.ft |
| Shaft Size | .750 – 2.687 |
| Max. RPM | 3,000 rpm |
| Standard Voltage | 6, 24, 90 DC |
| Outside Diameter | 12.5 Inches |
| Overall Length | 5.75 Inches |
| Manufacturer Drawing | I-25607 |
SERIES DESCRIPTION
Custom design brakes and clutches are user-assembled from standard components for optimum performance in the smallest possible package size.
- Easily adaptable to any mounting requirement
- Low initial cost
- Wide range of models and options
CATALOG & MANUALS
| Catalog | Warner Electric Basic Design Clutches Brakes Catalog | |
| Users Manual / Installation Instructions | Warner Electric PB-1225 Users Manual / Installation Instructions | |
| Quick Information | Warner Electric PB-1225 HD Quick Information |
| PB-1225 Heavy Duty Parts List | |||
| Item | Description | Part Number | Qty. |
| 1 | Armature Assembly | 5323-111-001 | 1 |
| 1-1 | Armature | 5323-111-034 | 1 |
| 1-2 | Splined Adapter | 104-0010 | 1 |
| 1-3 | Autogap Accessory | 5323-101-002 | 1 |
| 1-4 | Screw | 797-0281 | 4 |
| 1-5 | Locknut | 661-0005 | 4 |
| 2 | Bushing* | 1 | |
| 3/4″ to 2-11/16″ Bore | 180-0026 to 180-0057 | ||
| 3 | Splined Hub | 540-0064 | 1 |
| 4 | Retainer Ring | 748-0005 | 1 |
| 5A | Mounting Accessory – I.M. | 5321-101-001 | 1 |
| 5B | Mounting Accessory – O.M. | 5321-101-002 | 2 |
| 6A | Magnet – Inside Mounted | 1 | |
| 6 Volt | 5313-631-005 | ||
| 24 Volt | 5313-631-006 | ||
| 90 Volt | 5313-631-007 | ||
| 90 Volt LK Facing | 5313-631-001 | ||
| 6A-1 | Terminal Accessory | 5311-101-001 | 1 |
| 6B | Magnet – Outside Mounted | 1 | |
| 6 Volt | 5313-631-010 | ||
| 24 Volt | 5313-631-012 | ||
| 90 Volt | 5313-631-011 | ||
| 90 Volt LK Facing | 5313-631-002 | ||
| 6B-1 | Terminal Accessory | 5311-101-001 | 1 |
| 7 | Conduit Box | 5200-101-011 | 1 |



