Cooper Bussmann

SERIES 174 FLAT-PAK

Manual Reset Circuit Breakers

SPECIFICATIONS
Single Pole Thermal Type Breakers
Applications: Branch Circuit protection for multiple power oulet strips, trucks, RV's boats, buses,portable generators, Building equipment, etc.
Rating: 5-40Al 250VAC/32VDC
Interrupt Rating: 200A @ 250VAC
Operating Temperature Rating: -40°F (-40°C) to 185°F (85°C).
Storage Temperature Rating: -40°F (-40°C) to 260°F (125°C).
Materials: Grey UL-Rated 94V-0 thermoplastic
Termination: Threaded or quick-connect options available
Ingress Protection Rating: IP54 (except at terminals)
Compliances: UL 1077 & CSA 22.2 No.235; SAE J553; SAE J1171 (Igntion Protected)

Series 12X SHORTSTOP® Circuit Breakers

AUTO, MANUAL & Modified Reset Circuit Breakers

SPECIFICATIONS
Single Pole Thermal Type Breakers
Applications: Battery chargers, trucks, buses, RV's, trolling motors, etc.
Rating: 5-50A, 14VDC; 28VDC (Series 123,124 & 125).
Interrupt Rating: Main Circuit Protection: 1.5kA @ 12 VDC (Series 193 w/plastic cover). Branch Circuit Protection: 2.5kA @ 12VDC (Series 121 & 124 -01 sealed & series 123 w/plastic cover).
Operating Temperature Rating: -40°F (-40°C) to 185°F (85°C).
Storage Temperature Rating: -40°F (-40°C) to 260°F (125°C).
Materials: Black UL-Rated 94V-0 thermoset plastic body(thermoset for type II body & buttons); Cover is thermoplastic or steel
Marking: Custom marking available
Termination: #10-32 threaded and quick-connect options available
Torque Rating: 24in-lb (2.7Nm) max.
Mounting Torque Rating: Plastic cover - 15in-lb )1.7Nm); Metal cover - 30 in-lb(3.4Nm).
Ingress Protection Rating: IP66 on plastic cover version only (except for terminals)
Compliances: SAE J553; SAE J1171

SERIES 25X MID-RANGE CIRCUIT BREAKER

AUTO, MANUAL RESET, AND MANUAL RESET WIPUSH-TO-TRIP CIRCUIT BREAKERS

SPECIFICATIONS
Single Pole Thermal Type Breakers
Applications: This unit is external ignition protected and weatherproof. It is typically used in DC power systems in marine applications (as a main or branch circuit breaker), truck, bus and RV systems, add-on protection for accessories, etc.
Rating: 10-50A, 32VDC.
Interrupt Rating: Main Breaker (5kA @ 12VDC) or Branch Circuit Protection (2.5kA) per ABYC E-11.
Operating Temperature Rating: -40°F (-40°C) to 185°F (85°C).
Storage Temperature Rating: -40°F (-40°C) to 260°F (125°C).
Materials: Black UL-Rated 94V-0 thermoset plastic body. Cover, lever, and button are UL¬Rated 94V-0 thermoplastic. Cover has a black thermoplastic elastomer overmold.
Marking: Standard marking includes amp/volt ratings, part numbers, and “SAE Type B.”
Termination: #10-32 threaded studs.
Torque Rating: 24in-lb (2.7Nm) max.
Mounting Torque Rating: Panel mount with either #8-32 threaded inserts or #10 clearance holes. 18in-Ib (2.ONm) max.
Ingress Protection Rating: IP66

Features/Options: Series 254 & 255 have a unique reset mechanism which provides a visual indication of tripped condition. Series 255 also features a push-to-trip option.
Compliances: SAE J553; ABYC E-11; SAE J1171 (Ignition Protected).

SERIES 18 HI-AMP CIRCUIT BREAKER

AUTO, MANUAL & SWITCHABLE RESET CIRCUIT BREAKERS

SPECIFICATIONS
Single Pole Thermal Type Breakers
Applications: Typically used in auxiliary and accessory circuits in truck, bus, RV 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: 3,000A @ 30VDC.
Operating Temperature Rating: -25°F (-32°C) to 180°F (82°C).
Storage Temperature Rating: -30°F (-34°C) to 300°F (149°C).
Materials: Black UL-Rated 94V-0 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.
Torque Rating: 50in-Ib (5.6Nm) max.
Mounting Torque Rating: Panel or surface-mount options; 50in-Ib (5.6Nm) max. Threaded insert option has a max torque of 25in-lb (2.8Nm).
Ingress Protection Rating: IP67.

Features / Options: Series 184 & 185 have a unique reset mechanism which provides visual indication of tripped condition. Series 185 also features a push-to-trip option.
Compliances: SAE J1625; ABYC E-11; CE; SAE J1171 (Ignition Protected).

SERIES 187 MARINE RATED CIRCUIT BREAKER (MRCB)

MANUAL RESET CIRCUIT BREAKERS WITH SWITCH FUNCTION
SPECIFICATIONS
Single Pole Thermal Type Breakers
Applications: Typically used in DC power systems in marine applications (as a main or branch circuit breaker), truck and bus systems, RV systems, add-on protection for accessories, lift gates, etc. This unit is external ignition protected and weatherproof.
Rating: 25-150A, 48VDC.
Interrupt Rating: Main Breaker Protection Interrupt Rating (5kA @ 12VDC). (Consult factory for higher voltage interrupt ratings.)
Operating Temperature Rating: -40°F (-40°C) to 185°F (85°C).
Storage Temperature Rating: -40°F (-40°C) to 260°F (125°C).
Materials: Black UL-Rated 94V-0 thermoset plastic body. Cover and lever are UL-Rated 94V-0 thermoplastic.
Marking: Standard marking includes amp/volt ratings. Custom markings also available.
Termination: 5/16-18 threaded studs.
Torque Rating: 75in-Ibs (8.5Nm) max.
Mounting Torque Rating: Panel or surface-mount options; 50in-Ib (5.6 Nm) max.
Ingress Protection Rating: IP66

Features / Options: A manual reset circuit breaker with On-Off switch capability.
Compliances: ABYC E-11; CE; SAE J1171 (Ignition Protected).
Consult factory for time characteristic curves.