MB motor brakes are composed of a PB Series brake mounted on a NEMA C-face adapter and cover assembly.
SPECIFICATIONS
| Model Name | MB-1225 Flange Mounted Heavy Duty |
| Function | Brake – Primary |
| Compatible Frame Sizes | NEMA C 284C & 286C/TC, 324C & 326C/TC, 364C & 365C/TC |
| Shaft Size | .750 – 2.687 |
| Max. Rated Torque | 260 lb. ft. |
| Max. RPM | 3,000 rpm |
| Standard Voltage | DC 90 |
| Outside Diameter | 13.75 Inches |
| Overall Length | 5 Inches |
| Manufacturer Drawing | I-25618 |
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 MB-1225 Users Manual / Installation Instructions | |
| Quick Information | Warner Electric MB-1225 Normal Duty Quick Info |
HOW TO ORDER
1. Confirm Product Compatability
MB-1225 Adapts to NEMA C Face, Double Shaft Motors, Frame Sizes 284, 284 UC, 324 UC, 326 UC, 364 UC and 365 UC.
2. Specify Bore Size for Item 2 (Frame size determines bore).
Please provide Bore Size (Bushing Part Number) & Control Option Model Number along with your quote request.
| MB-1225 Flange Mounted Heavy Duty | |||
| Item | Description | Part Number | Qty. |
| 1 | Cover | 5353-288-001 | 1 |
| 2 | Bushing* | 1 | |
| 3/4″ to 2-11/16″ Bore | 180-0026 to180-0057 | ||
| 3 | Armature Hub | 540-0064 | 1 |
| 4 | Armature Assembly | 5323-111-001 | 1 |
| 4-1 | Armature | 5323-111-034 | 1 |
| 4-2 | Splined Adapter | 104-0010 | 1 |
| 4-3 | Autogap Accessory | 5323-101-002 | 1 |
| 4-4 | Screw | 797-0281 | 4 |
| 4-5 | Locknut | 661-0005 | 4 |
| 5 | Magnet | 5353-631-001 | 1 |
| 5-1 | Terminal Accessory | 5311-101-001 | 1 |
| 6 | Adapter | 5353-105-002 | 1 |
| 7 | Mounting Accessory | 5351-101-003 | 2 |
| 8 | Mounting Accessory | 5321-101-002 | 1 |









