| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Illumination | |
| Insulation Resistance | |
| Mounting Type | |
| Number of Poles | |
| Operating Temperature | |
| Voltage Rating |
This E-T-A 4120 series circuit breaker is a miniaturized, single-pole thermal type with a trip-free mechanism and manual push/pull actuation. It is designed for panel mounting and offers temperature compensation.
The breaker has a current rating of 3A and a voltage rating of 115V AC (300 Hz to 800 Hz) or 28V DC. It features a blade terminal design with silver-plated contacts and a green push-button actuator. The device is approved by UL1077 and offers an interrupting capacity of up to 6,000A at 28V DC.
With an operating temperature range of -55°C to +125°C, this circuit breaker is suitable for extra-low voltage wiring systems in various land, sea, and air vehicles. It meets IP40 degree of protection for its operating area and has a typical mechanical life of 20,000 operations.
Key specifications include a threadneck design of M12x1x6.3 (aluminium) and a dielectric strength of 1,500V AC between main and auxiliary circuits. It operates without a barrier or auxiliary contact.
| 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 3A.
The voltage rating is 115V AC or 28V DC.
It is a thermal circuit breaker.
It is designed for panel mounting.
The operating temperature range is -55°C to +125°C.
The degree of protection is IP40.