Motor Protection Circuit Breaker
Hager MM501N Motor Protection Circuit Breaker
The Hager MM501N Motor Protection Circuit Breaker is designed to protect small electric motors against overload and short-circuit conditions. This compact 3-pole device combines thermal protection and manual motor switching in a single DIN-rail mounted unit.
With an adjustable current range of 0.1–0.16A, the MM501N allows precise matching of protection settings to the motor’s rated current, ensuring reliable operation while preventing nuisance tripping during normal motor start-up.
Reliable Motor Protection
Motor protection circuit breakers provide both thermal overload protection and magnetic short-circuit protection, making them ideal for motor starter circuits, control panels and industrial machinery installations.
- Adjustable current range: 0.1 – 0.16A
- 3-pole motor protection circuit breaker
- Thermal overload protection
- Manual switching with rotary handle
- DIN-rail mounting
Applications
The Hager MM501N is suitable for protecting small motors in a wide range of applications including machinery control panels, automation equipment, pumps and ventilation systems.
Technical Specifications
- Number of poles: 3
- Adjustable current range: 0.1 – 0.16 A
- Rated impulse withstand voltage: 6 kV
- Protection class: IP20
- Connection type: screw terminals
- Mounting: DIN rail
The compact design and precise adjustable protection make the MM501N an effective solution for motor protection in industrial and commercial electrical installations.
