Blue Sea Systems 285-Series Circuit Breaker Surface Mount 70A

70A Rating
Blue Sea Systems 285-Series Circuit Breakers provide medium-duty circuit protection for 25–150A loads where both switching and circuit protection are required. These breakers are direct drop-in replacements for the 185-Series.

Key Features

• Thermal, slow-blow circuit breaker
• Designed for DC systems up to 48V
• Clear, single-lever manual operation
• Combines switching and circuit protection in one device
  
• Not intended for use as a switch where high inrush currents are expected
• Ideal for windlass applications
• 3000A interrupt capacity
  
• Maximum fault current the breaker can safely interrupt without damage
• “Trip-Free” design prevents holding the breaker ON during a fault condition
• Waterproof: rated for immersion up to 1 meter for 30 minutes
• Ignition protected for safe installation on gasoline-powered boats

Specifications

• Circuit Breaker Class: Type III
• Maximum Voltage: 48V DC
• Amperage Ratings: 70A
• Interrupt Capacity: 3000A @ 48V (SAE J1625)
• Mounting: Surface mount
• Breaker Type: Thermally responsive bi-metal blade
• Ignition Protection: SAE J1171
• Terminal Stud: M6 (accepts 1/4” ring terminals)
• Terminal Stud Torque: 50 in-lbs (5.65 Nm)
• Operating Temperature Range:
  
• Minimum: -40°C
• Maximum: 85°C
• Weight: 0.50 lb (0.23 kg)