Perko Medium Duty Main Battery Disconnect Switch w/Alternator Field Disconnect & Key Lock

Ensure the reliability and safety of your marine electrical system with our Medium Duty Main Battery Disconnect Switch. Designed specifically for marine and boating applications, this disconnect switch provides robust performance and essential protective features to keep your vessel's electrical setup secure and efficient.

Key Features

• Ignition Protected: Safeguards your electrical system against accidental ignition.
• Versatile Voltage Compatibility: Suitable for 12, 24, and 32-volt marine electrical systems.
• High Capacity: Rated for 250 amps continuous and 360 amps intermittent, ensuring dependable power management.
• Integrated Alternator Field Disconnect: Provides additional control over your alternator for optimal performance.
• Secure Key Lock: Prevents unauthorized access and enhances the safety of your electrical system.

Specifications

Feature	Details
AFD	Yes
Lockable	Yes
Continuous Amperage	250A
Intermittent Amperage	360A
Box Dimensions	3"H x 6"W x 8"L
Weight	0.9 lbs
UPC	085226560934

Additional Resources

For detailed installation instructions and user guidelines, please refer to our Quick Guide (PDF).

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.