Description
Motor Protection Circuit Breaker
Hager MM508N Motor Protection Circuit Breaker
The Hager MM508N Motor Protection Circuit Breaker is designed to provide reliable protection for electric motors against overload and short-circuit conditions. This 3-pole protection device combines thermal protection and manual switching in a compact DIN-rail mounted unit.
With an adjustable current range of 2.5–4A, the MM508N allows installers to precisely match the protection setting to the motor’s rated current, ensuring dependable protection while avoiding unnecessary tripping during motor start-up.
Reliable Motor Protection
Motor protection circuit breakers are specifically designed for motor circuits where accurate overload protection and reliable switching are essential. The MM508N integrates thermal protection with manual motor switching via a short rotary handle.
- Adjustable current range: 2.5 – 4 A
- 3-pole motor protection circuit breaker
- Thermal overload protection
- Manual motor switching with rotary handle
- DIN-rail mounting
Typical Applications
The Hager MM508N is suitable for protecting motors in industrial equipment, control panels, pump systems, compressors and automation installations where dependable motor protection is required.
Technical Specifications
- Motor rating: 0.75 / 1.5 kW at 230 / 415 V
- Adjustable current range: 2.5 – 4 A
- Number of poles: 3
- Rated impulse withstand voltage: 6 kV
- Protection class: IP20
- Connection type: Screw terminals
- Mounting: DIN rail
The compact design and adjustable protection settings make the MM508N an effective solution for motor protection in commercial and industrial electrical systems.
