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The E-T-A 3120-N321-P7T1-W01D-5A is a 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. This 2-pole breaker can be easily and quickly reset after tripping.
Key electrical specifications include a 5A current rating and a 415V voltage rating. The datasheet indicates a rated voltage of AC 240V and DC 50V, with AC 415V available upon request. The current rating range is from 0.1A to 20A. The breaker is designed for panel mounting and features a rocker actuator.
Typical applications for this type of 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. The positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked, enhancing equipment availability and reliability.
The current rating is 5A.
The voltage rating is 415V.
It has 2 poles.
It is a thermal circuit breaker.
The mounting type is Panel Mount.
The datasheet mentions rated voltages of AC 240V and DC 50V.
The typical life is 30,000 cycles for 1-pole and 50,000 cycles for 2-pole configurations.