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BATTERY DOCTOR Battery Disconnect Switch: Top Post Knife Blade, Top Post, Negative - Battery Disconnect Switches
BATTERY DOCTORBattery Disconnect Switches

BATTERY DOCTOR Battery Disconnect Switch: Top Post Knife Blade, Top Post, Negative

The BATTERY DOCTOR Battery Disconnect Switch is a top post knife blade switch with negative polarity and a maximum voltage of 12V. It features brass contacts and is identified by manufacturer part number 20208.

SKU 3G-OTH-497591

Brand
BATTERY DOCTOR
Item
Battery Disconnect Switch: Top Post Knife Blade, Top Post, Negative
Category
Battery Disconnect Switches
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Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20208
Type
Top Post, Negative, 12V
Polarity
Negative
Maximum Voltage
12V
Contact Material
Brass
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BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Battery Disconnect Switch is a top post knife blade switch with negative polarity and a maximum voltage of 12V. It features brass contacts and is identified by manufacturer part number 20208.

Frequently Asked Questions

What is a BATTERY DOCTOR Battery Disconnect Switch used for?

This top post knife blade switch disconnects the battery in vehicles or equipment to prevent parasitic drain, reduce fire risk during storage, and secure electrical systems during maintenance. It is suitable for 12V negative-ground applications.

What are the specifications of the BATTERY DOCTOR 20208 switch?

The BATTERY DOCTOR 20208 is a top post knife blade disconnect switch with negative polarity, a maximum voltage of 12V, and brass contacts. It is designed for top-post battery terminals and is identified by MPN 20208.

Where to buy a BATTERY DOCTOR 20208 battery disconnect switch worldwide?

3G Electric supplies the BATTERY DOCTOR 20208 battery disconnect switch to customers worldwide. We handle full logistics, customs clearance, and delivery, ensuring you receive the correct part for your application.

How to install a top post knife blade battery disconnect switch?

Disconnect the negative battery cable first. Remove the existing terminal nut, place the switch over the battery post, and tighten securely. Reattach the cable to the switch stud. Always verify polarity matches your system (negative in this case) before finalizing.

Used in

Common applications for BATTERY DOCTOR
Fleet maintenance — BATTERY DOCTOR 31200 Series circuit breakers for overcurrent protection in truck electrical systems
Automotive wiring harness repair — BATTERY DOCTOR GPT primary wires (20 AWG, 22 AWG) for replacing damaged low-voltage cables
Industrial control panels — BATTERY DOCTOR primary wires for internal wiring of 60 V control circuits
Marine battery systems — BATTERY DOCTOR circuit breakers for protecting DC circuits on boats
Off-road equipment — BATTERY DOCTOR 31200 Series breakers for resettable protection in ATVs and utility vehicles
Battery charger connections — BATTERY DOCTOR primary wires for extending charger leads in workshop environments

BATTERY DOCTOR Products

3G Electric supplies BATTERY DOCTOR battery disconnect switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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BATTERY DOCTOR Starter Switch: In-Line Push Button, In-Line, Negative, 12V, 20 A Max Current, Copper (MPN 20302). Key specifications — Polarity: Negative; Maximum Voltage: 12V; Contact Material: Copper; Brand: BATTERY DOCTOR.
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