PERKO Battery Switch is a manually operated marine battery switch designed to safely control battery power distribution in boats and other marine electrical systems. It allows users to select between Battery 1, Battery 2, BOTH (ALL), or OFF, making it suitable for vessels equipped with dual-battery installations. This battery switch helps isolate batteries during maintenance, manage electrical loads efficiently, and simplify battery selection while operating onboard equipment. Its simple rotary design makes it easy to switch between power sources while clearly displaying the selected position.

Designed for use with 12V, 24V, and 32V marine electrical systems, the PERKO Battery Switch is suitable for a wide range of recreational and commercial marine applications. The switch is rated for 250A continuous current and 360A intermittent current, making it appropriate for common onboard electrical loads found in fishing boats, yachts, sailboats, cabin cruisers, workboats, and other marine vessels. With a 5-1/4-inch diameter and 2-5/8-inch depth, it is designed for convenient installation where reliable battery isolation and selection are required.

The switch features a 4-position selector (OFF – 1 – ALL – 2) that enables operators to choose an individual battery, combine both batteries when additional starting power or charging is required, or completely disconnect the electrical system when the vessel is not in use. Proper battery isolation helps reduce unwanted battery drain during storage or maintenance while providing greater flexibility when managing dual-battery systems.

Two variants of this PERKO Battery Switch are available. Both models share the same physical dimensions, voltage compatibility, current ratings, and four-position operation. One variant additionally includes an Alternator Field Disconnect feature. This feature is intended to provide protection for non-unitized alternators if the battery switch is accidentally turned to the OFF position while the engine is running. For vessels equipped with compatible charging systems, this additional feature offers an extra level of protection during accidental switch operation. As indicated on the product face, operators should always stop engines before switching to the OFF position unless the alternator system specifically supports this function.

PERKO has long been recognized for manufacturing marine electrical components designed specifically for demanding onboard environments. This marine battery switch is commonly installed in battery compartments, engine rooms, electrical panels, or other protected mounting locations where operators need convenient access to battery selection and isolation. The clearly marked rotary positions allow quick identification of the selected battery bank, making operation straightforward during routine boating activities.

A battery disconnect switch plays an important role in protecting onboard electrical systems by allowing complete isolation of battery power when maintenance is performed or when a vessel is stored for extended periods. Disconnecting batteries can also help reduce parasitic electrical loads from onboard electronics and accessories. In dual-battery systems, the selector positions allow operators to dedicate one battery for engine starting while reserving another for house loads such as navigation equipment, lighting, pumps, communication devices, or other marine electronics.

This PERKO battery switch is suitable for installations where dependable battery management is required without unnecessary complexity. The four-position configuration provides flexibility for everyday boating, whether switching between battery banks, combining batteries temporarily, or isolating the electrical system. The compact round housing also allows installation in many standard marine electrical panels where space is limited.

Whether installed on a recreational fishing boat, sailing yacht, powerboat, passenger vessel, workboat, or other marine craft, this boat dual battery switch helps organize battery selection while supporting safe electrical system operation. Its compatibility with multiple DC system voltages and practical switching positions makes it a widely used solution wherever battery isolation and selection are required in marine environments.

Key Features:

• PERKO Battery Switch provides 4-position operation (OFF – 1 – ALL – 2) for convenient battery selection and isolation.
• Compatible with 12V, 24V, and 32V marine electrical systems.
• Rated for 250A continuous current and 360A intermittent current.
• Designed with a 5-1/4-inch diameter and 2-5/8-inch installation depth.
• Suitable for dual-battery marine electrical installations.
• Allows selection of Battery 1, Battery 2, both batteries together (ALL), or complete battery isolation (OFF).
• Available in two variants, including a model with Alternator Field Disconnect protection for non-unitized alternators.
• Clearly marked rotary selector for simple battery management.
• Suitable for battery isolation during maintenance and vessel storage.

Applications / Suitable For:

• PERKO Battery Switch is suitable for dual-battery systems installed on recreational boats.
• Fishing boats with separate starting and house batteries.
• Sailboats require manual battery bank selection.
• Powerboats and cabin cruisers.
• Yachts with onboard DC electrical systems.
• Commercial workboats.
• Passenger boats and launches.
• Marine electrical distribution systems operate on 12V, 24V, or 32V.
• Battery isolation during maintenance or seasonal storage.
• Marine applications requiring manual battery disconnect and battery bank selection.

FAQs:

Q: What positions are available on the PERKO Battery Switch?
A: The switch has four positions: OFF, Battery 1, ALL (Both Batteries), and Battery 2.

Q: Which electrical system voltages does this battery switch support?
A: It is designed for 12V, 24V, and 32V marine electrical systems.

Q: What is the difference between the two available variants?
A: Both variants have the same size, current rating, and four-position operation. One variant also includes an Alternator Field Disconnect feature for protection of compatible non-unitized alternators if the switch is accidentally turned to OFF while the engine is running.

Q: Where is the PERKO Battery Switch commonly used?
A: It is commonly installed on boats, yachts, fishing vessels, sailboats, workboats, and other marine vessels that use single or dual-battery electrical systems.