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The E-T-A 3120-N321-P7T1-W04K-20A is a two-pole thermal circuit breaker that combines overcurrent protection with the function of an ON/OFF switch. It utilizes a thermal-bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables. The breaker can be easily and quickly reset after tripping.
Key electrical specifications include a voltage rating of 240 VAC and 50 VDC, with an optional 415 VAC rating available upon request. The current rating is 20A, with a range of 0.1 to 20A specified, and up to 30A available for single-pole devices. The breaker is designed for panel mounting and features a rocker actuator. It is approved by CSA, KTL, UL, and VDE.
Typical applications for this thermal circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. Its design ensures reliable disconnection and maximum equipment availability through matched overload protection and quick resettability.
The current rating is 20A.
It is rated for 240 VAC and 50 VDC. An AC 415 V rating is available upon request.
This circuit breaker has 2 poles.
It uses a rocker actuator.
The mounting type is Panel Mount.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.