Perko Medium Duty Battery Selector Switch with Key Lock, 6-32VDC, 250A Continuous, Ignition Protected

Overview

The Perko 8502DP is a medium duty battery selector switch with key lock for 6 to 32V marine electrical systems. It is rated for 250 amps continuous and 360 amps intermittent, and it gives you one control point to select between battery banks, combine them for emergency starting, or shut the system down when the boat is not in use.

This switch uses Perko's traditional bolt circle, so it works well for new installs and for replacing many existing Perko selector switches. It is ignition protected for gasoline-powered engine rooms, surface mounted, and built with a polycarbonate body and brass terminals. The key lock adds security when the boat is unattended.

Key features

• For 6 to 32V marine electrical systems
• 250 amp continuous rating and 360 amp intermittent rating
• Ignition protected for use in gasoline-powered engine rooms
• Make-before-break switching between battery selections while the engine is running
• Surface-mount body on the traditional Perko bolt circle for easier replacement work
• Polycarbonate body with brass terminals and 5/16 in. terminal studs
• Body size of 5-1/4 in. diameter and 2-5/8 in. depth

Installation and fit

The housing size suits many bulkhead and panel locations where a full-size selector switch is easier to reach and turn under way. Surface mounting keeps the back terminals accessible, and the familiar bolt pattern helps when you are changing out an older switch in the same family.

The high-conductivity studs are long enough to handle more than one cable where the wiring layout calls for it. If your installation uses larger battery cables or needs more stand-off from the mounting surface, this switch family also accepts an optional spacer ring.

Electrical use on board

This switch makes sense on boats that separate a start battery from a house battery and want a manual way to manage both. It also fits setups where battery banks may need to be paralleled for emergency starting.

Because it is ignition protected, it can be mounted in gasoline engine spaces as well as other protected electrical locations on board. It is a practical match for runabouts, small cruisers, fishing boats, and sailboats that use a straightforward two-bank battery layout.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Orders of $100 or more qualify for free shipping when eligible. For orders under $100, shipping costs are calculated at checkout based on destination, package weight, and selected service. International shipping is available for eligible products, and certain items may require additional handling, warehouse transfers, or may ship directly from the manufacturer, which can affect processing time.

Deliveries are handled by preferred carriers such as USPS, UPS, FedEx, DHL, and others depending on your location and selected service. Estimated delivery times are displayed at checkout and may vary due to customs processing, carrier delays, weather, postal disruptions, or other circumstances beyond our control. Once your order ships, you'll receive a confirmation email with tracking information. Tracking may take up to 24 hours to update on the carrier's website and is also available through your account when applicable.

We ship throughout the United States and to most international destinations for products eligible for international shipping. International orders may be subject to customs duties, taxes, brokerage charges, or other import fees, which are the customer's responsibility and are not included in the product or shipping price. PO Boxes are accepted only when shipping through USPS, and not all packages qualify for this option. If your order does not arrive within the estimated delivery window, please contact us at info@apollolighting.com or +1 (954) 375-0100 so we can assist with locating your package.

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Returns may be requested within 30 days of receiving your order. Items must be unused, uninstalled, unaltered, and returned in their original packaging with all tags, packing materials, blank warranty cards, manuals, instructions, accessories, and included items. Certain products, including installed or used electronics, electrical components, lighting, consumables, custom or special-order items, cut-to-length products, safety equipment, and merchandise exposed to water or marine conditions, may not be eligible for return.

To request a return, sign in to your account and select the applicable order and items, and submit your request for review. Eligible unfulfilled items may also be submitted for cancellation within 1 hour of placing the order. Returns or cancellations are not considered approved until you receive confirmation from Apollo Lighting. Please do not ship or drop off merchandise before receiving return approval and instructions.

Customers are responsible for arranging and paying for return shipping unless the return is due to an error by Apollo Lighting or the item is verified as defective, damaged, or incorrect. Missing, damaged, defective, or incorrect items must be reported within 2 business days of delivery, and photos or other documentation may be required for review. If the issue is verified, Apollo Lighting may provide or reimburse return shipping and issue a replacement or refund depending on the circumstances. International customers are responsible for return shipping, duties, taxes, customs charges, brokerage fees, and other costs associated with an international return.

After your return is received and inspected, approved refunds are issued to the original payment method and may take 5-7 business days to appear after processing. Original shipping and handling charges are nonrefundable, and the value of any included free items that are not returned may be deducted from the refund. Apollo Lighting does not charge a standard restocking fee on eligible returns. Returns that are incomplete, damaged, installed, used, altered, improperly packaged, or otherwise do not meet the eligibility requirements may be refused. We recommend using a trackable and appropriately insured shipping service for all customer-arranged returns.

For assistance, contact info@apollolighting.com or call +1 (954) 375-0100.

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Many products sold by Apollo Lighting include a manufacturer's warranty covering defects in materials or workmanship. Warranty terms vary by brand, product category, and model, so eligibility, coverage duration, exclusions, and available remedies are determined by the applicable manufacturer. We recommend reviewing the warranty information provided with your product before installation or use, especially for marine electronics, navigation equipment, lighting, electrical systems, pumps, safety equipment, and other specialized marine products.

If you need warranty service, the claim must follow the process established by the manufacturer, authorized service center, or designated warranty provider. You may be asked for proof of purchase, a serial number, product registration, photos, maintenance or installation records, or other documentation. Apollo Lighting does not determine or modify a manufacturer's warranty coverage or final claim decision, but we are happy to help provide purchase information and direct you to the appropriate manufacturer or warranty resource.

Keep your receipt, product documentation, serial number information, and original packaging when practical. Damage caused by normal wear, misuse, improper installation, insufficient maintenance, corrosion, impact, unauthorized modifications, electrical issues, or operation outside the manufacturer's specifications may not be covered. Warranty claims are separate from standard returns, so a product that has been installed, used, or exposed to marine conditions may no longer qualify for return while still remaining eligible for evaluation under the manufacturer's applicable warranty.

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