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The E-T-A 3120-N521-P7T1-W19DG4-20A is a thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables. This 2-pole device features a 20A current rating and a voltage rating of 240V AC and 50V DC.
Designed for easy integration, it offers a panel mount configuration and a rocker actuator. The breaker is approved by CSA, KTL, UL, and VDE, ensuring compliance with various industry standards. Its thermal-magnetic trip mechanism ensures reliable disconnection even when the actuator is blocked, and it can be easily reset after tripping.
Typical applications for this circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. The device is also suitable for use in medical equipment according to IEC/EN 60601.
The circuit breaker is rated for 240V AC and 50V DC.
The current rating is 20A.
It is a 2-pole circuit breaker.
It is a thermal circuit breaker.
It is a panel mount circuit breaker.
It uses a rocker actuator.
It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.