Overview
The Blue Sea Systems 7143 is a 90 amp 187-Series thermal circuit breaker for surface-mount marine electrical installations. It combines manual switching with circuit protection in one waterproof, ignition-protected breaker.
- Brand: Blue Sea Systems
- Part number: 7143
- Series: 187-Series
- Product type: Thermal circuit breaker
- Mounting style: Surface mount
- Amperage: 90 Amp
- Circuit breaker class: Type III - Switchable / Manual Reset - Trip Free
- Breaker 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°
- Ignition protection: Components meet SAE J1171 external ignition protection requirements
- Installation use: Safe for installation aboard gasoline powered boats
- Operation: Clear single-lever control with trip-free design that cannot be held ON during a fault current condition
- Terminals: 5/16 terminals for high-torque connections
- Mounting detail: Recessed mounting holes and large terminal stud clearance for heavy gauge wire lugs
- Status indication: Large lever can be oriented vertically or horizontally to show trip status
- 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.
Specifications
| Amperage | 90a |
|---|---|
| Brand | Blue Sea Systems |
| Manufacturer part # | 7143 |
| UPC | 632085071431 |
| Boxed dimensions | 7 x 5 x 3 in |
| Shipping weight | 0.6 lb |
| Country of origin | MEXICO |
Shipping & returns
Free standard shipping
Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.
30-day returns
Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.
Authorized dealer
OutdoorsMarine is an authorized Blue Sea Systems dealer. Every product is genuine and backed by the full manufacturer warranty.
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