The KLIXON® 6766-19 series is a manually switchable thermal circuit breaker that is designed to meet the harshest environmental requirements.

The 6766-19 series breakers are weatherproof for protection against moisture, dust, grease, fuel vapors, and other harsh environments.
The 6766-19 series of breakers is suited for rugged applications, where a robust switchable breaker is required for accessory, equipment and battery protection on heavy trucks, buses, construction equipment, off-road vehicles, marine, recreational vehicles (RVs) and electric (hybrid) vehicles.