| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Ambient Temperature | |
| Approval Agency | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Mounting Type | |
| Number of Poles | |
| Voltage Rating |
The E-T-A 129-L11-H-KF-30A is a single-pole thermal circuit breaker with a push-to-reset mechanism. It is designed for bolt-on mounting and features 90° bent terminals.
This circuit breaker has a voltage rating of 28 VDC (UL: 250 VAC; DC 50 V) and a current rating of 30 A. It is suitable for extra-low voltage wiring systems in vehicles and marine craft. The breaker offers a typical life of 5,000 operations at 2x IN and operates within an ambient temperature range of -40 to +75 °C.
Key technical data includes an interrupting capacity of 400 A for 6-25 A ratings and 2,500 A at 50 VDC under UL 1077. The device has a degree of protection of IP32 for the operating area and IP00 for the terminal area. It meets stringent automotive standards for vibration, shock, corrosion, and humidity.
Approvals include VDE IEC/EN 60934, UL 1077, and CSA C22.2 No 235, making it suitable for a wide range of automotive and marine applications.
The nominal voltage rating is 28 VDC. Under UL standards, it is rated for 250 VAC and 50 VDC.
The current rating is 30 A.
The operating temperature range is -40 to +75 °C.
For ratings 6-25 A, the interrupting capacity is 400 A. At DC 50 V per UL 1077, it is 2,500 A.
It is approved under VDE IEC/EN 60934, UL 1077, CSA C22.2 No 235, and BWB VG 95345 Part 9.
The actuator type is push to reset.
The mounting type is chassis mount.