187 Series Circuit Breakers

The Series 187 Marine Rated Circuit Breaker features a manual reset with switchable function and is single pole thermal type. Typically used in auxiliary and accessory circuits for trucks, buses, RVs and marine applications. Have applications in battery charging systems that use battery isolators to manage and protect batteries in multi-battery installations.

Thermal circuit breakers provide heavy duty circuit protection for 25 to 200 Amp loads when switching and circuit protection are both required.
  • Single lever operation—clearly visible
  • Trip-free—cannot be held closed after trip
  • Self-trimming case eliminates need for mounting panels or trim bezels
  • Large clearance around terminal studs accepts up to 1/0 AWG lugs
  • Recessed mounting holes for clean appearance
  • Robust 5/16"-18 terminals provide high torque connections
20 Products Found