Provides medium duty circuit protection for 25 to 200 amp loads when switching and circuit protection are both required. "Trip-free" - cannot be held closed after trip. Visible reset lever shows open condition. Drop in replacement for 185-Series circuit breakers. Maximum operating voltage 48 volts DC. Meets SAE J1171 external ignition protection requirements. IP67-protected against immersion up to 1 meter for 30 minutes.