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