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Perko 9604DP Medium Duty Battery Disconnect Switch with Key Lock

Manufacturer

Perko

<h3>A Century of American Marine Manufacturing Excellence</h3> <p>Since 1907, Perko has stood as one of America's most trusted names in marine hardware and accessories. What began in Brooklyn, New York, as a small operation crafting handmade sheet metal lanterns has evolved into a fifth-generation, family-owned manufacturer producing over 1,000 distinct marine products. Now headquartered in North Miami, Florida, Perko maintains an unwavering commitment to American craftsmanship—virtually every component, from bronze castings to chrome-plated fittings, is designed, engineered, and manufactured in-house at their expansive facility.</p> <p>Perko's reputation rests on precision manufacturing and uncompromising quality standards. The company operates its own automated foundry pouring aluminum, bronze, and stainless steel, performs decorative chrome plating and electrical contact gold plating in-house, and utilizes computerized CNC machining alongside robotic grinding. This level of vertical integration ensures consistent quality control and allows Perko to maintain ISO 9001:2015 certification while adhering to U.S. Coast Guard, UL, and National Marine Manufacturers Association standards.</p> <h3>Navigation Lighting for Every Vessel</h3> <p>For over a century, Perko has been the go-to source for marine navigation lights that meet the most stringent safety requirements. The company's <a href="/7492-perko-mastheadall-around-lights-with-removable-telescoping-bases-200666">masthead and all-around lights with removable and telescoping bases</a> represent decades of engineering refinement, offering boaters flexible mounting solutions for vessels under and over 20 meters. These combination lights integrate U.S. Coast Guard-certified masthead and all-around functionality in single, space-saving housings with fold-down adjustable angles and durable polymer construction. Perko has recently updated many navigation light models to meet ABYC C-5 LED standards, incorporating energy-efficient LED technology while maintaining the precise beam angles and visibility distances required by maritime regulations.</p> <h3>Premium Fishing Equipment Built for Serious Anglers</h3> <p>Understanding that anglers demand durability and versatility from their deck hardware, Perko manufactures an extensive line of <a href="/7492-perko-flush-mount-rod-holders-200429">flush mount rod holders</a> designed to withstand harsh marine environments. Available in both vertical and 65-degree angled configurations, these rod holders feature chrome-plated bronze or zinc alloy flanges paired with stainless steel or anodized aluminum tubes. The soft black liners protect expensive rods and reels, while integral flip-up caps and gaskets keep saltwater out when holders aren't in use. Perko's proprietary Marinium alloy—an exceptionally high-strength, corrosion-resistant material—is available on select models for the ultimate in longevity.</p> <h3>Complete Marine Systems and Hardware Solutions</h3> <p>Beyond lighting and fishing equipment, Perko's catalog spans virtually every marine hardware category. Their battery switches and electrical components are renowned for reliability in demanding saltwater applications. The company's underwater hardware—including bronze seacocks, thru-hulls, and intake strainers—is engineered to perform flawlessly below the waterline. Perko also manufactures fuel system components including EPA-compliant carbon canisters and specialized valves to help builders meet modern diurnal emissions regulations. Deck hardware such as cleats, chocks, locks, latches, and ventilators round out a product line that has served recreational boaters, commercial vessel operators, and military applications for generations.</p> <p>Every Perko product carries the company's time-tested motto: "We Make it Right, Right Here!" This commitment to domestic manufacturing and superior engineering has made Perko an essential brand for anyone who demands the best for their vessel.</p>

Part Number

9604DP
05/31/2036 8:56 PM
Sale Price

$109.11

In Stock (5)

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Usually delivered within 2 days

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Product Details

The Perko 9604DP is a medium duty main battery disconnect switch designed for marine electrical systems. This ignition-protected switch features a built-in key lock for security and includes alternator field disconnect functionality to prevent voltage spikes when disconnecting the battery while the engine is running.

Key Features:

  • Ignition protected design meets ABYC and USCG safety standards
  • Compatible with 12, 24, and 32 volt marine electrical systems
  • Rated for 250 amps continuous duty, 360 amps intermittent
  • Key lock prevents unauthorized battery access or theft
  • Alternator field disconnect (AFD) protects charging system
  • Corrosion-resistant construction for marine environments
  • Four position switch: OFF, ON, and two battery bank positions

This battery switch is ideal for vessels requiring secure battery management with moderate current demands. The AFD feature automatically disconnects the alternator field when switching between battery banks or turning off the system, preventing damage to the alternator and onboard electronics. The key lock adds an extra layer of security for boats in storage or at dock.

part easy to find

Fast and efficient. Thank you!

good price

Order took a few days to ship but when it did it arrived fast.

Good so far.

Fast and easy !

Great service, awesome prices, incredibly fast shipping. A++ I would absolutely suggest you to my friends and family

Great so far an great prices

thank you'

I have been looking for a Thule bike rack and finally found it here for the cheapest price and it was in stock!! Fast shipping, great customer service(PH), and lowest price on the web. My order was shipped on the same day it was placed, my order # is 5674. I am set to receive my order tomorrow. Couldn't be more pleased! Thx

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