Sea-Dog Heavy Duty Battery Switch 420600-1, On/Off with Removable Key, 12-24V 75A Continuous

The Sea-Dog Heavy Duty Battery Switch (420600-1) is an On/Off battery disconnect switch built from injection molded nylon for corrosion resistance in marine electrical systems. It carries a 500A momentary rating and a 75A continuous rating at 12-24VDC, making it suitable for isolating a boat's battery from the electrical system when the vessel is not in use or during service work. A removable key is included so the switch can be locked in the Off position, adding a layer of security against unauthorized starts or electrical drain. The switch body measures 4 inches (A dimension), 1-5/8 inches (B dimension), and 2-1/4 inches (C dimension), with a 3/8 inch stud diameter for connecting battery cable terminals. At just 0.29 pounds, it is a compact, lightweight component that mounts easily in tight helm or engine bay locations. This is a straightforward On/Off function switch (not a dual-battery selector), designed for boaters who need a reliable, simple main power disconnect. The nylon housing and screw terminal construction are built to withstand the vibration and moisture typical of marine environments.

Specifications

• Brand: Sea-Dog
• Manufacturer Part Number: 420600-1
• Function: On/Off
• Voltage: 12-24 VDC
• Continuous Amps: 75 Amps
• Momentary Amps: 500 Amps
• Stud Diameter: 3/8 inch
• Dimension A: 4 inches
• Dimension B: 1-5/8 inches
• Dimension C: 2-1/4 inches
• Material: Injection Molded Nylon
• Weight: 0.29 pounds
• Key: Removable key included
• Standard Pack: 10 each

Frequently Asked Questions

What is the amperage rating of the Sea-Dog 420600-1 battery switch? The Sea-Dog 420600-1 is rated for 500 amps momentary and 75 amps continuous at 12-24VDC.

Does this battery switch come with a key? Yes, the 420600-1 includes a removable key that lets you lock the switch in the Off position for added security.

Is the Sea-Dog 420600-1 a dual-battery selector switch? No, it is a simple On/Off function switch, not a selector for switching between multiple battery banks.

What material is the Sea-Dog 420600-1 battery switch made from? It is made from injection molded nylon, chosen for its resistance to corrosion in marine environments.

What are the dimensions of the Sea-Dog 420600-1 battery switch? The switch measures 4 inches by 1-5/8 inches by 2-1/4 inches.

How much does the Sea-Dog 420600-1 battery switch weigh? It weighs 0.29 pounds.

What is the stud diameter on the Sea-Dog 420600-1? The stud diameter is 3/8 inch, sized for standard battery cable terminals.

What voltage systems is the Sea-Dog 420600-1 compatible with? It is rated for 12-24VDC systems, covering both 12-volt and 24-volt marine electrical setups.

Can the Sea-Dog 420600-1 be used to fully disconnect a boat's battery? Yes, its On/Off function is designed to isolate the battery from the electrical system, which is useful during storage or servicing.

How many units come in a standard pack of the Sea-Dog 420600-1? The standard pack quantity for the 420600-1 is 10 each.