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The E-T-A 3120-N321-P7T1-W01D-4A is a thermal circuit breaker that combines overcurrent protection with ON/OFF switch functionality. It utilizes a thermal bimetal trip element and is suitable for protecting motors, pumps, transformers, and cables from overload conditions. The breaker can be easily and quickly reset after tripping.
This 2-pole device has a current rating of 4A and a voltage rating of up to 415V AC or 50V DC. It is designed for panel mounting and features a rocker actuator. The 3120-N series offers options for enhanced functionality, including add-on modules for low voltage release, auxiliary contacts, and remote trip capabilities.
Typical applications for this circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household appliances, office machines, and audio equipment. It is approved by CSA, GB, IEC, and UL standards.
The breaker is rated for 240V AC and 50V DC, with an additional rating of 415V.
The continuous current rating is 4A, with an operating range of 0.1-20A.
It is a 2-pole circuit breaker.
It uses a rocker actuator.
The breaker is designed for panel mount installation.
30,000 cycles at rated current under inductive load at 240V AC or 28V DC.
It is approved to CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.