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The Altech Corporation 3D20UM is a thermal magnetic circuit breaker designed for reliable circuit protection. This 3-pole unit offers a current rating of 20A and a voltage rating of 480V.
Featuring a lever actuator for easy operation, the 3D20UM is designed for DIN rail mounting, facilitating straightforward integration into control panels and electrical enclosures. Its thermal magnetic trip mechanism provides protection against overcurrent and short circuits.
Key specifications include a short circuit withstand rating of 10kA, an operating temperature range of -25°C to 70°C, and a degree of protection rated at IP20. The terminal size acceptability accommodates wire gauges from 18-3 AWG on the top and 18-2 AWG on the bottom, with a recommended terminal 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 lamps. It holds approvals from CSA, UL508, and VDE.
The current rating is 20A.
The voltage rating is 480V.
It has 3 poles.
It is a thermal magnetic breaker.
It is mounted on a DIN rail.
The operating temperature range is -25°C to 70°C.
The short circuit withstand rating is 10kA.