Blue Sea Systems 187-Series 120A Thermal Circuit Breaker (7046)

The Blue Sea Systems 187-Series 120A Thermal Circuit Breaker is a panel-mount, trip-free device that combines switching and circuit protection in a single, waterproof unit. Designed for safety in gasoline-powered marine environments, it meets SAE J1171 external ignition protection requirements and features a durable thermoset polyester case.

• Circuit Breaker Class: Type III (Switchable/Manual Reset, Trip-Free)
• Amperage: 120A
• Max Voltage: 48V DC
• Interrupt Rating: 5,000A at 12V DC, 3,000A at 24V DC, 1,500A at 42V DC
• Operating Temperature: -25°C to +82°C
• Construction: Self-trimming case for easy installation with a standard hole saw; robust 5/16" terminal studs.
• Indicator: Large lever provides clear visual indication of trip status and can be oriented horizontally or vertically.
• Safety: Ignition protected; "Trip-Free" design prevents the breaker from being held ON during a fault.
• Regulatory Note: 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, visit P65Warnings.ca.gov.