Blue Sea Systems 7136 187 Series 30 Amp Thermal Circuit Breaker for Marine and Automotive Applications

• Combines switching and circuit protection into a single device
  
• All components meet SAE J1171 external ignition protection requirements
  
• Clear, single lever operation
  
• Trip Free design cannot be held ON during fault current condition
  
• Waterproof
  
• Recessed mounting holes for clean appearance
  
• Large clearance around terminal studs accept heavy gauge wire lugs
  
• Robust 5/16 terminals provide high torque connections
  
• Large lever with vertical/horizontal orientation provides indication of trip status
  
• Ignition protected - safe for installation aboard gasoline powered boats

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. For more information go to P65Warnings.ca.gov.

The Blue Sea Systems 7136 187 Series thermal circuit breaker is designed to provide reliable overcurrent protection while integrating switching capabilities in a compact, surface-mount package. With a 30 Amp rating, this device is suitable for marine, automotive, and other vehicle electrical systems where space-saving and dependable circuit protection are essential. Its thermally responsive bi-metal blade ensures quick trip response to fault conditions, preventing damage to wiring and connected components. The waterproof design and recessed mounting holes allow for clean installation and enhanced durability in harsh environments. The large, versatile lever indicates trip status clearly and can be oriented vertically or horizontally for flexible mounting options. The robust 5/16-inch terminals support high torque connections with heavy gauge wire lugs, ensuring secure and stable electrical contact. This circuit breaker meets SAE J1171 external ignition protection standards, making it safe for installation aboard gasoline-powered boats and other vehicles with ignition systems. The case is constructed from durable thermoset polyester, providing resilience against temperature fluctuations and moisture. Operating within a temperature range of -25°C to +82°C, it offers consistent performance across diverse conditions. The breaker is rated for a maximum voltage of 48 V DC, with interrupt ratings reaching up to 5,000 Amperes at 12 Volts DC, ensuring it can handle high fault currents. Its combination of switchable operation and manual reset makes it easy to control and reset after trips, enhancing safety and convenience. Overall, the Blue Sea Systems 7136 187 Series 30 Amp thermal circuit breaker is an essential component for protecting electrical circuits in marine, automotive, and other mobile applications, combining safety, durability, and ease of use in a compact form factor.

Features:

• Combines switching and circuit protection into a single device

• All components meet SAE J1171 external ignition protection requirements

• Clear, single lever operation

• Trip Free design cannot be held ON during fault current condition

• Waterproof construction for harsh environments

• Recessed mounting holes for a clean appearance

• Large clearance around terminal studs for heavy gauge wire lugs

• Robust 5/16-inch terminals for high torque connections

• Large lever with vertical/horizontal orientation indicating trip status

• Ignition protected — safe for installation aboard gasoline-powered boats