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The E-T-A 3120-F521-N7T1-W14FR4-4A is a thermal circuit breaker designed for overload protection of motors, pumps, transformers, and cables. It functions as an ON/OFF switch with integral overcurrent protection, utilizing a bimetal trip element.
This 2-pole breaker has a current rating of 4A and a voltage rating of 250V. It features rocker actuation and a panel mount design for convenient integration into systems. The breaker is compliant with various international standards including CSA, GB, IEC, and UL.
Key technical specifications include a rated voltage of AC 240V and DC 50V, with a current rating range from 0.1 to 20A. The typical life expectancy is rated for 30,000 to 50,000 operations depending on the pole configuration and load type. It operates within an ambient temperature range of -30 to 60°C.
Additional features include red illumination with a nominal voltage of 185V. The breaker offers degrees of protection IP40 for the operating area and IP00 for the terminal area, which can be enhanced with a water splash cover. It also meets vibration test standards to IEC 60068-2-6.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 4A.
The voltage rating is 250V.
It has 2 poles.
It uses rocker actuation.
The mounting type is Panel Mount.
The ambient temperature range is -30 to 60°C.
Approval agencies include CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.