Series 18X Hi-Amp Circuit Breaker

Series 18X Hi-Amp Circuit Breaker

The Series 18X Hi-Amp Circuit Breaker features a manual, auto and switchable reset and is single pole thermal type.

Catalog Number Series 18X Hi-Amp Circuit Breaker
Applications Typically used in auxiliary and accessory circuits in truck, bus’, RVs and marine systems. Others include battery chargers and DC audio systems. Series 181, 184 & 185 are sealed for engine compartment and bilge area applications.
Rating 25-150A, 30Vdc; 48Vdc (Series 184 & 185)
Interrupt Rating 3000A @ 30Vdc
Operating Temperature Rating –25°F (–32°C) to 180°F (82°C)
Storage Temperature Rating –40°F (–40°C) to 260°F (125°C)
Materials Black UL-rated 94V0 thermoset plastic. Thermoplastic elastomer stud insulators are provided on covered units with F-style (surface-mount) bases
Marking Standard marking includes amp ratings and part numbers. Custom markings also available.
Termination 1/4-28 threaded studs


Series 184 & 185 have a unique reset mechanism which provides visual indication of tripped condition. Series 185 also features a push-to-trip option


Additional Specs

Mounting Torque Rating: Panel or surface-mount options; 50 in-lbs (5.6N•m) max. Threaded insert option has a max torque of 25 in-lbs (2.8N•m).
Ingress Protection Rating: IP67
Compliances SAE J1625; ABYC E-11; CE; SAE J1171 (ignition protected)