Overview
The Blue Sea Systems 7144 is a 100 Amp 187-Series thermal circuit breaker for surface-mount marine electrical installations. It combines manual switching with circuit protection in one waterproof, ignition-protected device for DC systems.
- Brand: Blue Sea Systems
- Part number: 7144
- Series: 187-Series
- Amperage: 100 Amp
- Mounting: Surface mount
- 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
- 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
- Trip-free design: Cannot be held ON during a fault current condition
- Terminals: 5/16 terminals for high-torque connections
- Wire lug clearance: Large clearance around terminal studs accepts heavy gauge wire lugs
- Lever: Clear single-lever operation with vertical/horizontal trip status indication
- Mounting detail: Recessed mounting holes
- Waterproof: Yes
Specifications
| Amperage | 100a |
|---|---|
| Brand | Blue Sea Systems |
| Manufacturer part # | 7144 |
| UPC | 632085171445 |
| Boxed dimensions | 8 x 3 x 2 in |
| Shipping weight | 0.2 lb |
| Country of origin | MEXICO |
Shipping & returns
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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.
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We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.
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