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

The 7457 UL-489 20A Flat Rocker Circuit Breaker is specifically designed for marine and boating applications, ensuring reliable protection for your vessel's electrical systems. Certified to meet UL-489 standards, this circuit breaker is ideal for Navy, Army, Coast Guard vessels, and other maritime platforms requiring compliance with CFR 46 regulations.

Product Features

• High Amperage Capacity: Supports up to 20A AC, providing robust power distribution for various marine electrical needs.
• Flat Rocker Actuator: Features a sleek and easy-to-operate rocker switch, perfect for tight spaces common on boats and vessels.
• Single Pole Design: Ideal for straightforward circuit protection, ensuring simplicity and reliability in marine environments.
• Durable Construction: Capable of handling a maximum of 240V AC, suitable for a wide range of marine electrical systems.
• Magnetic Hydraulic Trip Mechanism: Offers trip-free protection, enhancing safety by preventing circuit overloads.
• Secure Terminal Connections: Equipped with #10-32 screw tin-plated brass terminals for reliable and corrosion-resistant connections.
• High Interrupt Capacity: Withstands up to 5000A, effectively preventing electrical faults from causing damage to your vessel's systems.
• Compact Dimensions: Measures 2" H x 3" W x 4" L, with a lightweight of only 0.25 lbs, making it easy to install in various marine applications.

Detailed Specifications

Specification	Details
Amperage	20A AC
Actuator Style	Flat Rocker
Poles	1
Maximum Voltage	240V AC
Circuit Breaker Type	Magnetic Hydraulic - Trip Free
Terminal Type	#10-32 Screw Tin-Plated Brass
Interrupt Capacity	5000A
Box Dimensions	2"H x 3"W x 4"L
Weight	0.25 lbs
UPC	632085074579

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.