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The E-T-A 3120-N521-H7T1-W01D-20A is a thermal circuit breaker that combines overcurrent protection with an ON/OFF switch function. It features a bimetal trip element and is designed for reliable overload protection of motors, pumps, transformers, and cables.
This 2-pole breaker has a current rating of 20A and a voltage rating of up to 415V AC. It is suitable for panel mounting and features a rocker actuator. The positively trip-free mechanism ensures reliable disconnection even when the actuator is blocked. After tripping, the breaker can be easily and quickly reset.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. The 3120-N series is also available with thermal-magnetic trip options and can be expanded with various add-on modules for enhanced functionality.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The voltage rating is 415V AC, 240V AC, and 50V DC.
The current rating is 20A, with a range of 0.1 to 20A.
This circuit breaker has 2 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.