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Wholesale Blue Sea 7443 Ul-489 Circuit Breaker - 20a Flat Rocker [7443] Satisfaction Guaranteed [biFhTJV4]

$16.99 $54.99 -69%

Blue Sea 7443 UL-489 Circuit Breaker Introducing the Blue Sea 7443 UL-489 Circuit Breaker, a reliable and essential component for your electrical system. This 20A Flat Rocker Circuit Breaker is designed to meet the stringent UL-489 specifications, ma

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Wholesale Blue Sea 7443 Ul-489 Circuit Breaker - 20a Flat Rocker [7443] Satisfaction Guaranteed [biFhTJV4]

Blue Sea 7443 UL-489 Circuit Breaker

Introducing the Blue Sea 7443 UL-489 Circuit Breaker, a reliable and essential component for your electrical system. This 20A Flat Rocker Circuit Breaker is designed to meet the stringent UL-489 specifications, making it ideal for use in Navy, Army, Coast Guard vessels, and other applications covered under CFR 46. With its advanced Magnetic Hydraulic Trip-Free technology, this circuit breaker ensures maximum safety and efficiency.

Key Specifications and Features

The Blue Sea 7443 UL-489 Circuit Breaker boasts a range of impressive specifications and features. It operates at a maximum voltage of 80V DC and features a single pole design, providing reliable protection for your electrical system. The actuator style is a flat rocker, offering ease of use and accessibility. The terminal type is #10-32 Screw Tin-Plated Brass, ensuring a secure and durable connection. With an interrupt capacity of 10,000A, this circuit breaker is capable of handling high currents, providing peace of mind in critical situations. Here are some of the key specifications:

  • Amperage: 20A DC
  • Actuator Style: Flat Rocker
  • Poles: 1
  • Maximum Voltage: 80V DC
  • Circuit Breaker Type: Magnetic Hydraulic - Trip Free
  • Terminal Type: #10-32 Screw Tin-Plated Brass
  • Interrupt Capacity: 10,000A

Practical Applications and Benefits

The Blue Sea 7443 UL-489 Circuit Breaker is a versatile and essential tool for a wide range of applications. Whether you are working on a naval vessel, an army facility, or any other environment that requires compliance with UL-489 standards, this circuit breaker is the perfect choice. Its durable construction and advanced technology ensure long-lasting performance, even in challenging conditions. By investing in this circuit breaker, you can benefit from:

  • Enhanced Safety: The Magnetic Hydraulic Trip-Free technology provides reliable protection against electrical faults and potential hazards.
  • Convenience: The flat rocker actuator design allows for easy operation and maintenance.
  • Compliance: This circuit breaker meets the strict UL-489 specifications, ensuring compliance with industry standards.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

It’s a very useful and impressive tool.

- Winifred D..

February 2, 2026

Absolutely no complaints!

An outstanding product. Very practical.

- Silas C..

February 2, 2026

Absolutely no complaints!

A great gadget that is very useful.

- Kenton S..

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