The Thermal Magnetic Switch Abb 1.60-2.50A 50kA MS116-2.5 is a manual thermal magnetic motor switch, also known as a motor protection switch. It is used to turn motors on and off, as well as to protect them from short circuits, overloads, and phase failures without the need for fuses.
Features:
- Rated operating voltage: 690 V AC
- Rated operational current: 2.5 A
- Rated short-circuit instantaneous current setting: 31.3 A
- Adjustment range: 1.60 ... 2.50 A
- Rated operational power AC-3 (P e): 0.75 kW (400 V) Three-phase
- Rated impulse withstand voltage (U imp): 6 kV
- Rated insulation voltage (U i): 690 V
- Number of Poles: 3
- Electrical endurance: 100000 cycles
- Mechanical endurance: 100000 cycles
- Nominal short-circuit breaking capacity (I cs): 50 kA (230 V AC), 50 kA (400 V AC), 10 kA (440 V AC), 10 kA (500 V AC), 5 kA (690 V AC)
- Rated ultimate short-circuit breaking capacity (I cu): 75 kA (230 V AC), 75 kA (400 V AC), 30 kA (440 V AC), 20 kA (500 V AC), 10 kA (690 V AC)