Blue Sea 7457 - UL-489 Circuit Breaker, 20A Flat Rocker

Blue Sea 7457 - UL-489 Circuit Breaker, 20A Flat Rocker

The Blue Sea 7457 UL-489 Circuit Breaker, 20A Flat Rocker, is designed to meet the stringent requirements of UL-489 specifications, making it an ideal choice for military and maritime applications such as Navy, Army, and Coast Guard vessels, as well as other vessels covered under CFR 46. This high-quality circuit breaker features a flat rocker actuator that resists accidental switching, ensuring a safe and reliable operation. With its magnetic hydraulic "Trip Free" design, the breaker cannot be held "ON" during a fault current condition, providing added protection. It is equipped with a #10-32 screw terminal for secure connections and is suitable for use in various environments with a wide operating temperature range of -40°C to 85°C.

Key Features of the Blue Sea 7457 UL-489 Circuit Breaker, 20A Flat Rocker:

• Meets UL-489 specifications, ideal for Navy, Army, Coast Guard, and other marine vessels
• Amperage rating of 20A AC, providing reliable protection for electrical circuits
• Flat rocker actuator style, resists accidental switching by being flush in the ON position
• Magnetic hydraulic “Trip Free” design prevents the breaker from being held “ON” during fault current
• Maximum voltage rating of 240V AC for compatibility with various electrical systems
• Interrupt capacity of 5000A, ensuring the breaker can handle large fault currents without damage
• Operating temperature range from -40°C to 85°C, suitable for harsh environmental conditions
• Easy installation with #10-32 stainless steel screw terminals and secure mounting screws
• Compact design with maximum terminal torque of 15-20 in-lb (1.69 Nm) for safe and secure connections

With its rugged and dependable design, the Blue Sea 7457 UL-489 Circuit Breaker ensures reliable protection for electrical systems in demanding environments. Its compliance with UL-489 standards makes it a preferred choice for critical applications in both military and civilian maritime sectors. The breaker is built to withstand extreme conditions, providing long-lasting protection for circuits with minimal maintenance.