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The E-T-A 3120-F321-P7T1-W12LY4-4A 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 two-pole breaker has a current rating of 4A and can handle up to 250VAC or 50VDC. It features a rocker actuator for operation and is designed for panel mounting. The breaker offers reliable switching behavior and is positively trip-free.
Key technical data includes an interrupting capacity of 5000A at 250VAC and 1000A at 50VDC (UL 1077). It operates within an ambient temperature range of -30°C to 60°C. The device meets various international approval standards including IEC 60934 and UL1077.
Typical applications for this circuit breaker include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools. Options such as illumination, water splash protection, and auxiliary contacts are available 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 current rating is 4A.
The voltage rating is 250 VAC and 50 VDC.
It has 2 poles.
It uses a rocker actuator.
The operating temperature range is -30°C to 60°C.
Approval agencies include CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077.