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This E-T-A 4120 series thermal circuit breaker offers reliable circuit protection in a compact, miniaturized design. It is a single-pole unit with a push-pull plunger actuator and a threadneck panel mount.
The breaker is rated for 25A and operates at 115V AC (300 Hz to 800 Hz) or 28V DC. It features temperature compensation and a trip-free mechanism, ensuring protection even if the actuator is held in the ON position. The operating temperature range is -55°C to +125°C.
Key technical specifications include an interrupting capacity of 1000A at 115V AC and 6000A at 28V DC. It has a degree of protection of IP40 and meets UL1077 approval agency standards. The typical life is rated for 20,000 mechanical operations or 5,000 operations at 1x IN.
Applications include extra-low voltage wiring systems on vehicles for land, sea, and air. The panel mount design with a M12x1 threadneck allows for secure installation in various equipment.
| 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 25A.
The voltage rating is 115V AC or 28V DC.
It is designed for panel mounting with a threadneck.
The operating temperature range is -55°C to +125°C.
It features a push-pull plunger actuator.