The ABB MS116-1 Manual Thermal Magnetic Motor Switch is also known as a motor protection switch. It is used to turn motors on and off, providing protection against short circuits, overloads, and phase failures without the need for fuses.
Features:
- Rated operating voltage: Main circuit 690 V AC
- Rated operational current: 1 A
- Rated short-circuit current setting: 12.5 A
- Adjustment range: 0.63 ... 1.0 A
- Rated operational power AC-3 (P e): (400 V) Three-phase 0.25 kW
- Rated impulse withstand voltage (U imp): Main circuit 6 kV
- Rated insulation voltage (U i): 690 V
- Number of Poles: 3
- Electrical endurance: 100,000 cycles
- Mechanical endurance: 100,000 cycles
- Rated short-circuit breaking capacity (I cs): (230 V AC) 50 kA, (400 V AC) 50 kA, (440 V AC) 50 kA, (500 V AC) 30 kA, (690 V AC) 30 kA
- Rated ultimate breaking capacity (I cu): (230 V AC) 100 kA, (400 V AC) 100 kA, (440 V AC) 100 kA, (500 V AC) 100 kA, (690 V AC) 100 kA