SKU:20568
| Specifications | |
| Circuit Breaker Class: | Type III - Switchable / Manual Reset - Trip Free |
| Type: | Thermally Responsive Bi-Metal Blade |
| Case Material: | Thermoset Polyester |
| Voltage Rating: | 48 Volts DC Maximum |
| Interrupt Rating: | 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.
The Blue Sea Systems 7148 187-Series thermal circuit breaker is an essential component for marine and industrial electrical systems, providing reliable protection and switching in a compact design. This 150 Amp circuit breaker combines circuit interruption and manual switching into a single robust device, designed to meet stringent safety standards and withstand harsh environments. Constructed with a thermoset polyester case and thermally responsive bi-metal blade, it ensures consistent performance across a wide temperature range. The breaker’s waterproof housing and recessed mounting holes deliver a neat installation, while large terminal clearance and heavy-gauge wire lugs facilitate secure, high-torque connections for heavy-duty wiring applications. Its clear, large lever with vertical or horizontal orientation offers easy trip status indication, enhancing operational safety and convenience. The all components meet SAE J1171 external ignition protection requirements, making it suitable for installation aboard gasoline-powered boats and other combustible environments. The breaker’s trip free design prevents it from being held in the ON position during fault conditions, enhancing system protection and safety. Rated for up to 48 volts DC, the circuit breaker features an interrupt rating of 5,000 amperes at 12 volts DC, providing a high level of fault current protection. With an operating temperature range from -25°C to +82°C, it is designed for diverse environments where durability and reliability are critical. This circuit breaker is ideal for marine, RV, and industrial applications where space-saving, safety, and robust performance are priorities. Its compact size, combined with comprehensive safety features and high-current capacity, makes it a versatile choice for protecting electrical circuits against overloads and short circuits in demanding conditions.
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