Free shipping For Total Value $500.00 & Up | 🎁 Receive in 5 - 7 Days
187 - Series Thermal Circuit Breakers - Surface Mount
120 Amp Circuit Breaker
Combines switching and circuit protection into a single device
All components meet SAE J1171 external ignition protection requirements
Clear, single lever operation
"Trip Free" design cannot be held "ON" during fault current condition
Recessed mounting holes for clean appearance
Large clearance around terminal studs accept heavy gauge wire lugs
Robust 5/16 terminals provide high torque connections
Large lever with vertical/horizontal orientation provides indication of trip status
Ignition protected - safe for installation aboard gasoline powered boats
Circuit Breaker Class:
Type III - Switchable / Manual Reset - Trip Free
Thermally Responsive Bi-Metal Blade
48 Volts DC Maximum
5,000 Amperes @12 Volts DC
3,000 Amperes @24 Volts DC
1,500 Amperes @42 Volts DC
Operating Temperature Range:
-25C° to +82C°
WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (dehp) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.
Box Dimensions: 2"H x 4"W x 5"L WT: 0.5 lbs
Free Shipping for orders $500 & Up
Ship any number of items to any lower 48 states (Continental US) Shipping Charges (Per Session Total Value) may apply :
$0.01 To $50
$50.01 To $150
$150.01 To $300
$300.01 To $499.99
$500 & Up
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