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This E-T-A 3120-N thermal circuit breaker combines overcurrent protection with an ON/OFF switch function in a single component. The trip element is a thermo-bimetal, making it suitable for overload protection of motors, pumps, transformers, and cables. It can be easily and quickly reset after tripping.
The 3120-N series offers single or double pole configurations with voltage ratings up to AC 240V and DC 50V (AC 415V upon request). Current ratings range from 0.1A to 20A. This specific model, 3120-N511-P7T1-W14FR1-5A, is a single-pole unit with a 5A rating and a 415V rating.
Features include a panel mount design, rocker actuator, and red illumination at 12V. The breaker is suitable for use in medical equipment according to IEC/EN 60601. Its positively trip-free mechanism ensures reliable disconnection even with a blocked actuator.
Typical applications include medical and laboratory equipment, apparatus and machine construction, professional tools, household and garden appliances, office machines, audio equipment, and machine tools.
| 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.
The current rating is 5A.
It has 1 pole.
It is a thermal circuit breaker.
The mounting type is Panel Mount.
The typical life is 30,000 cycles at 1 x IN, inductive for AC 240V or DC 28V, and 30,000 cycles at 1 x IN, resistive for DC 50V.