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The E-T-A 3120-N321-P7T1-W02D-3A is a two-pole 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 circuit breaker has a rated voltage of 415V and a current rating of 3A. It features a panel mount design and a rocker actuator. The device is designed for reliable disconnection and can be easily reset after tripping. The positively trip-free mechanism ensures disconnection even when the actuator is blocked.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances. The 3120-N series is also available with thermal-magnetic trip options and can be expanded with add-on modules for enhanced functionality.
The rated voltage for this circuit breaker is 415V.
The current rating is 3A.
This circuit breaker has two 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 30,000 cycles at 1 x IN, inductive for single pole and 50,000 cycles at 1 x IN, inductive for double pole.