Blue Sea Circuit Breaker 187 Series (MPN: 7144-BSS)

Heavy duty circuit protection for marine and vehicle electrical systems.

The Blue Sea Circuit Breaker 187 Series is designed to provide reliable circuit protection for both AC and DC electrical systems in marine and vehicle applications. With a 100 Amp rating and a voltage capacity of 48 Volt DC, this thermal circuit breaker combines switching and circuit protection into a single device, ensuring safety and efficiency in electrical management. Its manual reset feature and switchable operation allow for easy control and maintenance, while the trip free design prevents the breaker from being held 'ON' during fault conditions.

Constructed to withstand harsh environments, this circuit breaker is waterproof and compliant with CE, IP66, and SAE J1171 standards, making it suitable for installation aboard gasoline-powered boats. The recessed mounting holes provide a clean appearance, and the robust 5/16 M8 terminals ensure high torque connections for heavy gauge wire lugs. The large lever, which can be oriented both vertically and horizontally, offers clear indication of trip status, enhancing user experience and safety.

Operating within a temperature range of 40 degrees Celsius to +85 degrees Celsius, the Blue Sea Circuit Breaker is engineered for durability and performance. Its design features large clearance around terminal studs, facilitating easy installation and maintenance. This circuit breaker is an essential component for those seeking dependable electrical protection in demanding conditions.

Features

• Clear, Single Lever Operation
• Combines Switching And Circuit Protection Into A Single Device
• 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 M8 Terminals Provide High Torque Connections
• Large Lever With Vertical And Horizontal Orientation Provides Indication Of Trip Status
• Ignition Protected - Safe For Installation Aboard Gasoline Powered Boats: Meets SAE J1171 External Ignition Protection Requirements

Specifications

• Manufacturer: Blue Sea
• Manufacturer Part Number: 7144-BSS
• Ampere Rating: 100 Amp
• Voltage Rating: 48 Volt
• Reset Type: Manual And Switchable
• Terminal Connection: Stud
• Type: Thermal
• Quantity: Single
• Estimated Install Time (Hours): 0.25