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The Altech Corporation 3G20UM is a thermal magnetic circuit breaker designed for reliable circuit protection. This 3-pole unit is rated for 20A and operates at up to 480V AC. It features a convenient lever actuator for manual operation and is designed for DIN rail mounting, making installation straightforward in control panels and enclosures.
With a short circuit withstand rating of 10kA, the 3G20UM offers robust protection against overcurrent faults. The operating temperature range is -25°C to 70°C, and it has a calibration temperature of 40°C. Terminal connections accommodate wire sizes from 18-3 AWG on top and 18-2 AWG on the bottom, with a recommended torque of 2 to 2.5 Nm.
This circuit breaker is suitable for various applications including AC motor starting, general use, resistance loads, and discharge or incandescent lighting. Its IP20 degree of protection ensures safety against solid objects greater than 12.5mm.
The current rating is 20A.
The voltage rating is 480V.
It has 3 poles.
It is a thermal magnetic circuit breaker.
The mounting type is DIN Rail.
The short circuit withstand rating is 10kA.
The operating temperature range is -25°C to 70°C.