Perko Medium Duty Battery Selector Switch w/Key Lock

Upgrade your boat's electrical system with the Perko 8501 Series Medium Duty Battery Selector Switch with Key Lock, designed specifically for marine applications. This reliable switch ensures seamless battery management, enhancing both performance and safety on your vessel.

Key Features

• Easy Installation: Utilizes the traditional Perko bolt circle for quick and hassle-free mounting, suitable for both new installations and replacements.
• Versatile Mounting Options: Can be installed in various locations, including engine rooms of gasoline-powered boats, thanks to its ignition-protected design.
• Battery Selection: Allows you to choose between multiple batteries for specific functions such as starting engines, powering accessories, or recharging, providing flexibility and control.
• Emergency Starting: Facilitates parallel battery connections for emergency engine starts when one or more batteries are significantly discharged.
• Durable Construction: Standard duty switches feature a bright red polycarbonate housing, while heavy-duty models are built with red fiber-reinforced polycarbonate for enhanced durability.
• Intuitive Operation: Equipped with a large, easy-to-turn black knob and a 90° rotation feature, allowing users to operate the switch confidently even in low-light conditions.
• Safe Switching: "Make before break" functionality ensures smooth transitions between "1," "ALL," and "2" positions without interrupting the engine's operation.
• Alternator Protection: Models with the "Alternator Field Disconnect" feature safeguard non-unitized alternators by interrupting the field current if turned "OFF" while the engine is running.
• Secure Connections: High conductivity studs are designed to handle multiple cables and provide the necessary torque for secure electrical connections. An optional spacer ring (PN 0462DP0RED) is available for larger cables.
• Enhanced Security: Key lock options prevent unauthorized access and tampering with your boat's battery settings.

Specifications

Why Choose Perko 8501 Series?

The Perko 8501 Series is a trusted choice among boat owners and marine electricians for its reliability and robust performance. Whether you're managing multiple batteries for various marine systems or ensuring the longevity of your alternator, this battery selector switch provides the functionality and protection you need on the water.

Installation Tips

1. Mounting Location: Choose a surface-mounted location that is easily accessible and protected from the harsh marine environment.
2. Wiring: Ensure all connections are secure and use the optional spacer ring if handling larger cables for optimal performance.
3. Key Lock Setup: If opting for the key lock feature, install the lock mechanism in a convenient and secure spot to prevent unauthorized access.
4. Test Functionality: After installation, test the switch in all positions to ensure proper battery selection and alternator protection.

Additional Information

For further assistance with installation or to understand how the Perko 8501 Series can integrate into your specific marine electrical system, consult the user manual or contact our support team.

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.