The Allen-Bradley 140M-C2E-B40 is a 3-pole motor protection circuit breaker (MPCB) designed to protect electric motors against overload and short-circuit conditions. It combines an adjustable thermal overload release with a fixed magnetic short-circuit trip, providing compact motor branch-circuit protection.
Features
- Adjustable 2.5–4.0 A thermal overload protection
- Fixed magnetic short-circuit protection
- 13 × Ie magnetic trip characteristic
- 3-pole motor circuit protection
- Class 10 overload trip characteristic
- Standard breaking-capacity design
- Compact C-frame construction
- Manual motor switching and isolation capability
- DIN-rail mounting for control-panel installation
- Screw-terminal electrical connections
- Suitable for coordinated motor starter assemblies
- Protects motors against overload and short-circuit faults
Typical Applications
- Electric motor protection
- Pump motor control panels
- Fan and blower systems
- Conveyor motor protection
- Compressor control systems
- Industrial machinery
- Motor starter assemblies
- HVAC motor control
- Process automation equipment
- Marine auxiliary machinery
- Electrical control cabinets
- Industrial and marine motor-control systems
