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The E-T-A 3120-F521-P7T1-W01F-4A is a thermal circuit breaker that combines ON/OFF switching with integral overcurrent protection. It utilizes a bimetal trip element and is suitable for overload protection of motors, pumps, transformers, and cables.
This model features a 4A current rating and a voltage rating of 250VAC or 50VDC. It has a rocker actuator and a two-pole configuration. The circuit breaker is designed for panel mounting and offers a degree of protection of IP40 in the operating area.
Key technical data includes a current rating range of 0.1 to 20A, with specific interrupt capacities defined by UL1077 standards. The typical life expectancy is rated at 30,000 operations for single-pole configurations and 50,000 operations for two-pole configurations under specified conditions. The operating ambient temperature range is from -30 to 60°C.
Options and add-on modules are available, including illumination, water splash protection, auxiliary contacts, and remote trip functionalities, making it adaptable for various applications such as medical and laboratory equipment, apparatus and machine construction, professional tools, and household appliances.
| 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 ambient temperature range is -30 to 60 °C.
The degree of protection for the operating area is IP40.