TCP DC Mini Circuit Breakers

Phoenix Contact's TCP 32 V_DC thermal device circuit breakers are the resettable alternative to automotive-style fuses for overload protection in industrial applications. The portfolio offers two characteristic trip curves: F (fast trip) and M (standard tripping). The nominal current for the F curve breakers ranges from 5 A to 40 A, while the M curve breakers range from 5 A to 30 A.

TCP DC thermal circuit breakers make it possible to reset tripped circuits easily. The tripped channels can be quickly identified visually and reset immediately. The breaker housing is also designed to protect against accidental reset.

An advantage to using thermal device circuit breakers over conventional fuses is the elimination of fuses, as users can simply reset the circuit breaker when it trips. This reduces on-site maintenance and saves time spent searching for replacement fuses.

The TCP DC product family has the same pin connector pattern as commercially available automotive fuses that meet SAEJ553 and SAEJ1171 standards. This means that existing systems can be easily retrofitted. Like automotive fuses, the different nominal currents are color-coded, clearly marked, and easily identified. With the choice of two different characteristic curves, the overload protection can be optimally adapted to the connected loads. The pluggable thermal circuit breaker combines the protective mechanism of an automotive flat-type fuse with the advantages of a circuit breaker.