Four versions are available according to the protection function and trip class as below:
- Composition 1NO +1NC Rated thermal current 5A
- Rated operation voltage 690VAC
- Contactor MC-50a, 65a Rated current: 50, 65A
- Rated insulation voltage:1000V
- Overload relay MT-63
- Current range: 4~65A
- Trip class: Class 10A, 20
- IEC/EN 60947-1, IEC/EN 60947-4-1
Type MT, bimetal-style, overload relays are designed to protect AC circuits and motors against overloads, phase failure, long starting times and prolonged stalling of the motor.