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The E-T-A 3120-N321-P7T1-W04L-3A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It features a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables. This model is designed for panel mounting and has a current rating of 3A and a voltage rating of 415V AC.
The circuit breaker can be easily and quickly reset after tripping. The positively trip-free mechanism ensures reliable disconnection of the circuit, even if the actuator is blocked. The device is suitable for use in medical equipment according to IEC/EN 60601. Its compact design and quick resettability contribute to maximum equipment availability and reduced mounting and wiring time.
Key electrical specifications include a 3A current rating and a 415V AC voltage rating. The datasheet also indicates typical life cycles of 50,000 cycles at 1 x IN for 2-pole configurations at AC 240V. The breaker type is thermal, and it features a rocker actuator.
Typical applications for this type of circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. It is approved by CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.
The current rating is 3A.
The voltage rating is 415V AC.
This circuit breaker has 2 poles.
It is a thermal circuit breaker.
The mounting type is Panel Mount.
Approval agencies include CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.
The typical life is 50,000 cycles at AC 240V, 1 x IN, inductive.