Thermal Magnetic Switch 4.0-6.3A 100kA MS132-6.3, also known as motor protection switch. It is used to activate and deactivate motors and to protect them from short circuits, overloads, and phase failures without the need for a fuse.

Features:

• Nominal operating voltage main circuit: 690V AC / 250V DC
• Nominal operating current: 6.3A
• Nominal instantaneous short-circuit current setting: 78.8A
• Adjustment range: 4.0 ... 6.3A
• Nominal operational power AC-3 (P e): 2.2 kW (400 V) Three-phase
• Nominal impulse withstand voltage (U imp): 6 kV
• Nominal insulation voltage (U i): 690 V
• Number of Poles: 3
• Electrical endurance: 50000 cycles
• Mechanical endurance: 100000 cycles
• Nominal short-circuit breaking capacity (I cs): 100 kA (230 V AC), 100 kA (400 V AC), 30 kA (440 V AC), 20 kA (500 V AC), 3 kA (690 V AC)
• Nominal ultimate short-circuit breaking capacity (I cu): 100 kA (230 V AC), 100 kA (400 V AC), 30 kA (440 V AC), 20 kA (500 V AC), 3 kA (690 V AC)