20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate
12V-36V 500A high current battery cut-off switch with silver T-handle and black mounting lock-out plate.
12V-36V 500A high current battery cut-off switch with lock-out plate and technical specification chart.
12V-36V 500A high current battery cut-off switch with black mounting bracket and tin-plated copper studs.
Side view of 500A high current battery cut-off switch with silver T-handle and black lock-out mounting plate.
Collage showing boat, car, truck, and RV applications for the 12V-36V 500A high current battery cut-off switch.
Wiring diagram showing installation configurations for the 20247 high current cut-off battery switch.
Man steering a sailboat at sea, lifestyle promotional image for 20247 high current battery cut-off switch.
12V-36V 500A high current battery cut-off switch with silver T-handle and black mounting lock-out plate.
12V-36V 500A high current battery cut-off switch with lock-out plate and technical specification chart.
12V-36V 500A high current battery cut-off switch with black mounting bracket and tin-plated copper studs.
Side view of 500A high current battery cut-off switch with silver T-handle and black lock-out mounting plate.
Collage showing boat, car, truck, and RV applications for the 12V-36V 500A high current battery cut-off switch.
Wiring diagram showing installation configurations for the 20247 high current cut-off battery switch.
Man steering a sailboat at sea, lifestyle promotional image for 20247 high current battery cut-off switch.

20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate

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$39.78
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$39.78
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20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate

Key Features

  • Voltage Compatibility: 12V - 36V DC systems
  • Current Rating: 500A continuous, 5000A instantaneous
  • Construction: Heavy-duty ABS plastic housing with Nickel-Plated Copper studs
  • Terminals: Two 10mm threaded studs with nuts
  • Includes a lock-out plate to secure the switch in the off position for safety during service
  • Provides a reliable way to disconnect battery power, preventing drain during storage and unauthorized vehicle use

Replaces / Cross-Reference Part Numbers

  • 20247

Compatibility & Fitment

  • Universal fit for vehicles and equipment using 12V, 24V, or 36V DC electrical systems.
  • Commonly used in trucks, RVs, marine craft, trailers, agricultural equipment, and industrial machinery.
  • Designed for installation on the negative battery cable line.

When to Replace

  • The existing switch fails to make or break the electrical connection.
  • Power is intermittent or drops under load when passing through the switch.
  • Visible signs of corrosion, arcing, or overheating on the switch body or terminals.
  • The handle is broken, stripped, or excessively difficult to operate.

Installation Tips

  • Always disconnect the battery's negative terminal before beginning installation.
  • Mount the switch in a secure, accessible location protected from excessive moisture and direct impact.
  • Ensure all cable ends and terminal studs are clean for a solid electrical connection.
  • Tighten the terminal nuts to the proper torque specification to prevent loosening from vibration.
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 1
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 2
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 3
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 4
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 5
20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 6
  • 20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 1

    PERFECT FIT

    Our product is suitable for a RV, Marine, Car, Boat, Camper, Travel Trailer, Truck, ATV, UTV battery, and other engine applications....
  • 20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 2

    PREVENTS BATTERY DRAIN

    Our product prevents unnecessary drain when the vehicle is not in use, useful for long periods of inactivity.
  • 20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 3

    SAVING SOLUTION

    BlueStars brings DIY solutions to help you deal with any trouble!
  • 20247 Cut-Off Battery Switch 12V - 36V 500A High Current with Lock-Out Plate 4

    SIMPLE INSTALLATION

    Our Battery Switch is designed to be easily install, allowing for quick and convenient maintenance.
SUPERIOR MATERIALS

SUPERIOR MATERIALS

The battery switch features durable heavy-duty housing constructed from robust aluminum alloy.

Compatible Models

Locate the model number of your appliance or equipment on the manufacturer's label and use it to check compatibility before ordering

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FAQs

This switch is designed for high-current applications with a rated current of 500A and an instantaneous current capacity of 5000A. It is compatible with 12V, 24V, and 36V electrical systems.
This 20247 disconnect switch is suitable for a wide range of vehicles and equipment, including cars, trucks, RVs, campers, boats, and yachts.
The lock-out plate allows you to secure the switch in the 'off' position. This is an essential safety feature for maintenance work or long-term storage, as it prevents accidental power engagement.
The switch features two 10mm threaded studs with nuts. It is designed primarily for installation on the battery negative cable to isolate the power supply effectively.
The switch measures approximately 3.51 inches by 3.47 inches by 6.06 inches.