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BATTERY DOCTOR Battery Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V - Battery Disconnect Switches
BATTERY DOCTORBattery Disconnect Switches

BATTERY DOCTOR Battery Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V

The BATTERY DOCTOR Battery Disconnect Switch is an in-line rotary switch with negative polarity, rated for 12V and 300 A max current, featuring copper contacts (MPN 20393). 3G Electric interprets your demand for this…

SKU 3G-OTH-497595

Brand
BATTERY DOCTOR
Item
Battery Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V
Category
Battery Disconnect Switches
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Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20393
Type
In-Line, Negative, 12V
Polarity
Negative
Max Current
300 A
Maximum Voltage
12V
Contact Material
Copper
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Technical Documents

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BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Battery Disconnect Switch is an in-line rotary switch with negative polarity, rated for 12V and 300 A max current, featuring copper contacts (MPN 20393). 3G Electric interprets your demand for this OEM part, sources it across our supply network, and supports your application with specialist expertise in electrical controls.

Frequently Asked Questions

What is a BATTERY DOCTOR Battery Disconnect Switch used for?

This in-line rotary switch disconnects the battery in vehicles or equipment to prevent parasitic drain, secure storage, or enable maintenance. It handles up to 300 A at 12V with copper contacts for reliable current interruption.

What are the specifications of the BATTERY DOCTOR 20393 Battery Disconnect Switch?

The BATTERY DOCTOR 20393 is an in-line rotary disconnect switch with negative polarity, rated for 12V maximum voltage and 300 A max current. It features copper contacts and is designed for negative-side battery disconnection.

Where to buy a BATTERY DOCTOR Battery Disconnect Switch worldwide?

3G Electric supplies the BATTERY DOCTOR 20393 Battery Disconnect Switch worldwide. We handle full logistics, customs clearance, and delivery to your site, sourcing this OEM part through our global supply network.

How to install a BATTERY DOCTOR in-line battery disconnect switch?

Install the switch in the negative battery cable between the battery terminal and the chassis ground. Ensure the cable ends are clean and tight, and the switch is mounted securely. Always disconnect the battery before installation.

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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