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BATTERY DOCTOR In-Line Battery Disconnect Switch - Battery Disconnect Switches
BATTERY DOCTORBattery Disconnect Switches

BATTERY DOCTOR In-Line Battery Disconnect Switch

The BATTERY DOCTOR Battery Disconnect Switch (MPN 20304) is a knob-operated, in-line, negative-polarity switch rated for 12V with a maximum current of 100 A and a maximum surge current of 500 A, featuring copper…

SKU 3G-OTH-497583

Brand
BATTERY DOCTOR
Item
In-Line Battery Disconnect Switch
Category
Battery Disconnect Switches
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Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20304
Type
In-Line, Negative, 12V, 500 A
Polarity
Negative
Max Current
100 A
Maximum Voltage
12V
Contact Material
Copper
Maximum Surge Current
500 A

Technical Documents

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

Product Description

The BATTERY DOCTOR Battery Disconnect Switch (MPN 20304) is a knob-operated, in-line, negative-polarity switch rated for 12V with a maximum current of 100 A and a maximum surge current of 500 A, featuring copper contacts. 3G Electric interprets this demand and delivers the genuine switch, sourcing it across our 14 industrial departments — with specialist depth in electrical controls as an authorised distributor for brands like Schneider, ABB, and Siemens — then quotes and supports your order.

Frequently Asked Questions

What is a BATTERY DOCTOR Battery Disconnect Switch used for?

This knob-operated, in-line switch disconnects the negative battery terminal on 12V systems, preventing parasitic drain during storage or servicing. It is commonly used in automotive, marine, and industrial equipment where a reliable, manual power cutoff is needed.

What are the specifications of the BATTERY DOCTOR Battery Disconnect Switch 20304?

The switch is rated for 12V with a maximum continuous current of 100 A and a surge capacity of 500 A. It features copper contacts, negative polarity, and an in-line knob design. The manufacturer part number is 20304 from BATTERY DOCTOR.

Where to buy a BATTERY DOCTOR Battery Disconnect Switch worldwide?

3G Electric supplies the genuine BATTERY DOCTOR switch (MPN 20304) to customers worldwide. We handle full logistics, customs clearance, and delivery, sourcing across 14 industrial departments including electrical controls, where we carry brands like Schneider, ABB, and Siemens.

How to install a BATTERY DOCTOR Battery Disconnect Switch?

Install the switch in-line on the negative battery cable. Ensure the battery is disconnected before wiring. Tighten the copper contact terminals securely to handle up to 100 A continuous. Always follow the manufacturer's instructions for safe operation and surge protection.

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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