Blue Sea Systems 285-Series Circuit Breaker - Surface Mount 50A
SKU BLUE-7183
- Amperage
- 50A
- Maximum Voltage
- 48V DC
- Mounting
- Surface Mount
- Circuit Breaker Type
- Thermally responsive Bi-metal blade
- Terminal Stud
- M6 (accepts 1/4" Ring Terminal)
- Terminal Stud Torque
- 50 in-lb (5.65 Nm)
- Interrupt Capacity
- 3000A @ 48V
- Minimum Operating Temperature
- -40° C
Stocked items typically ship the next business day from our US warehouse. 30-day returns on unused stocked items. Exclusions apply. Return policy · Shipping policy
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About this product
285-Series Circuit Breaker - Surface Mount 50A. Drop in replacement for 185-Series Circuit Breakers. Visible reset lever shows open condition.
Key features
- Drop in replacement for 185-Series Circuit Breakers
- Visible reset lever shows open condition
- Ignition protected - Safe for installation aboard gasoline powered boats
- Meets SAE J1171 external ignition protection requirements
- Weather Resistant
- Combines switching and circuit breaker function into one unit*
- "Trip Free" - cannot be held closed after trip
For installation planning, check the manufacturer's ratings: amperage: 50A; maximum voltage: 48V DC; mounting: Surface Mount.
Manufacturer part 7183. Confirm the circuit rating, mounting arrangement, and required accessories against the manufacturer specifications before selecting this part.
Manufacturer specifications
- Amperage
- 50A
- Maximum Voltage
- 48V DC
- Mounting
- Surface Mount
- Circuit Breaker Type
- Thermally responsive Bi-metal blade
- Terminal Stud
- M6 (accepts 1/4" Ring Terminal)
- Terminal Stud Torque
- 50 in-lb (5.65 Nm)
- Interrupt Capacity
- 3000A @ 48V
- Minimum Operating Temperature
- -40° C
- Maximum Operating Temperature
- 85° C
- Circuit Breaker Class
- Type III - switchable/manual reset - trip free
- Weight
- 0.50lb (0.23 kg)
Product details
- Series
- 285-Series
- Voltage
- 48V DC
- Function
- 285-Series
- Device Type
- 285-Series
- Manufacturer
- Blue Sea Systems
- Product Type
- 285-Series
- Mounting Style
- Surface Mount
Shipping & returns
- Stocked items typically ship the next business day from our US warehouse.
- 30-day returns on unused stocked items. Exclusions apply. See policy
- Custom and quoted items are non-returnable once production begins.
Warranty
Backed by the original manufacturer’s warranty plus our workmanship guarantee on assembled harnesses. Contact us with your invoice and we’ll coordinate any covered repair or replacement.
Read the full warranty termsTechnical support
Need help choosing the right part?
Our marine electrical team can review your setup and recommend compatible products. Send a photo, a sketch, or your circuit list and we'll come back with a parts list that fits the boat.
Certifications & training
- ABYC-aware build practices
- OEM-grade marine wire & terminals
Additional capabilities are based on hands-on experience building marine wiring systems rather than third-party certification.
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Have you used this product in a project? Send us photos of your install for consideration in our project gallery.
Why buy from Common Ground Marine
- 20+ years building marine wiring harnesses, panels, and shore-power systems.
- Engineers — not a phone tree — review every custom build before parts are cut.
- OEM-grade components: tinned copper, sealed connectors, marine-rated jackets.