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The E-T-A 3120-N321-P7T1-W12LY4-3A is a two-pole thermal circuit breaker designed for overcurrent protection and switch functionality. It utilizes a thermal-bimetal trip element and is suitable for protecting motors, pumps, transformers, and cables.
Key electrical specifications include a voltage rating of 415V AC and a current rating of 3A. The breaker is designed for panel mounting and features a rocker actuator for operation. It also includes white illumination for the 230V nominal illumination voltage.
This thermal circuit breaker offers a typical life of 30,000 to 50,000 cycles depending on the pole configuration and load conditions. It is approved by CSA, GB, IEC, and UL standards.
Typical applications for this component include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.
The rated voltage is AC 240V and DC 50V, with AC 415V available upon request.
The current rating range is from 0.1A to 20A.
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 for 1-pole configurations and 50,000 cycles for 2-pole configurations under specified conditions.