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The E-T-A 3120-F521-P7T1-W01Q-20A is a two-pole 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.
Key electrical specifications include a current rating of 20A and a voltage rating of 250V AC / 50V DC. The breaker offers a typical interrupting capacity of 150A for single pole and 250A for double pole configurations. It operates within an ambient temperature range of -30 to 60 °C.
This circuit breaker features a rocker actuator and a panel mount design for convenient integration into equipment. It meets international approvals including CSA C22.2 No 235, GB 17701, IEC 60934, and UL1077. Options such as illumination, water splash protection, and auxiliary contacts are available.
Typical applications for this device 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 current rating is 20A.
The voltage rating is 250V AC and 50V DC.
This circuit breaker has 2 poles.
It features a rocker actuator.
The mounting type is Panel Mount.
The ambient temperature range is -30 to 60 °C.
The typical life is 30,000 operations at 1 x IN, inductive at AC 240 V.