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The E-T-A 3120-N311-P7T1-W02D-8A is a thermal circuit breaker designed for overcurrent protection and switch functionality. It utilizes a bimetal trip element and is suitable for protecting motors, pumps, transformers, and cables.
This single-pole breaker has a current rating of 8A and a voltage rating of 415V AC, with options for DC 50V. It offers a typical life of 30,000 cycles under specific load conditions. The breaker is designed for panel mounting and features a rocker actuator.
Its positively trip-free mechanism ensures reliable disconnection even with a blocked actuator. The 3120-N series is also available with thermal-magnetic trip options and can be expanded with add-on modules for enhanced functionality. It is suitable for use in medical equipment according to IEC/EN 60601.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household appliances, and office machines.
The circuit breaker is rated for 415V AC, 240V AC, and 50V DC.
The current rating is 8A.
It uses a rocker actuator.
It is designed for panel mount installation.
It is a 1 pole circuit breaker.
Typical life is 30,000 cycles at 1 x IN inductive load for AC 240V and DC 28V applications.