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Blue Sea Systems

Blue Sea Systems 187-Series Thermal Circuit Breaker, 70A 48V DC, Panel Mount

Blue Sea Systems 187-Series Thermal Circuit Breaker, 70A 48V DC, Panel Mount

SKUCT-100423

Regular price $93.00
Regular price Sale price $93.00
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Product details

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Ensure robust electrical safety and simplified control with the Blue Sea Systems 187-Series Thermal Circuit Breaker. Designed for marine environments, this 70 Amp, 48V DC panel-mount breaker combines switching and reliable circuit protection into a single, high-performance device. Its ignition-protected and waterproof design ensures safe operation on gasoline-powered boats, providing peace of mind for critical circuits. Upgrade your vessel's electrical system with dependable Blue Sea Systems protection.

Key Benefits & Features:

  • Integrated Protection: Combines switching and circuit protection, streamlining your electrical system and panel design.
  • Marine-Grade Safety: Meets SAE J1171 external ignition protection requirements, making it safe for installation aboard gasoline-powered boats.
  • Waterproof Construction: Engineered to withstand harsh marine conditions, ensuring reliable performance even with exposure to heavy seas.
  • Trip-Free Design: Features a 'Trip Free' mechanism that prevents the breaker from being held 'ON' during a fault current condition, enhancing safety.
  • Intuitive Operation: Clear, single-lever operation provides easy control and visual indication of the breaker's status.
  • Robust Connectivity: Equipped with large clearance around terminal studs and robust 5/16" terminals to accept heavy gauge wire lugs and provide high torque connections.
  • Durable Construction: Built with a Thermoset Polyester case for resilience and a thermally responsive bi-metal blade for consistent overcurrent protection.
  • Wide Operating Temperature: Functions reliably across an operating temperature range of -25°C to +82°C (-13°F to +180°F).
  • High Interrupt Capacity: Safely interrupts significant fault currents, rated at 5,000 Amperes @12 Volts DC, 3,000 Amperes @24 Volts DC, and 1,500 Amperes @42 Volts DC.
  • Easy Installation: Recessed mounting holes and a self-trimming round case allow for a clean, professional finish with a standard hole saw.

Specifications:

  • Amperage: 70A
  • Maximum Voltage: 48V DC
  • Circuit Breaker Class: Type III - Switchable / Manual Reset - Trip Free
  • Mounting: Panel Mount

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Fit & compatibility

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