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ABB 4 pole rotary disconnect switch 40A 16A DC 500V M970570
The ABB 4 pole 40A 16A DC 500V M970570 rotary disconnect switch is a high quality device designed for interrupting and switching currents up to 40A and 16A direct current. It is ideal for use in industrial and commercial applications requiring effective energy management and optimal safety. They are designed for the isolation of power lines according to CEI EN 60947-3, allowing the maintenance of devices connected downstream safely, and for control under load.
For versions with a capacity greater than 40 A, the knob supplied as standard allows the "door lock" function with the possibility of inserting a padlock.
Main features
- Rated operating current AC-21A (Ie): (380 ... 415 V) 40A
- Conventional free air thermal current (Ith): q = 40 °C 40A
- Conventional Thermal Current (Ithe): Fully Closed 40A
- Impulse withstand voltage (Uimp):8 kV
- Rated insulation voltage (Ui):according to IEC/EN 60664-1 750V
- Rated operating voltage: Main Circuit 750V
- Rated short-circuit making capacity (Icm): (690 V) 0.71 kA
- Power Loss: at Nominal Operating Conditions for Polo 1.6W
- Mounting type: Base mounting
- Number of poles: 4
- Cable section: Cu 0.75...10 mm²
- Degree of protection: Front IP20
- Terminal Type: Screw Terminals
- Dimensions: L 68 x H 48 x D 73 mm
- Net weight: 0.125 kg
- Handle type: Handle and shaft not included
