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3G Electric
BATTERY DOCTOR Top Post Battery Disconnect Switch, Negative, 12V, 500 A, Zinc - Battery Disconnect Switches
BATTERY DOCTORBattery Disconnect Switches

BATTERY DOCTOR Top Post Battery Disconnect Switch, Negative, 12V, 500 A, Zinc

The BATTERY DOCTOR Battery Disconnect Switch is a top-post rotary disconnect switch with a negative polarity, rated for 12V and a maximum surge current of 500 A, featuring zinc contacts. This switch provides a…

SKU 3G-OTH-497585

Brand
BATTERY DOCTOR
Item
Top Post Battery Disconnect Switch, Negative, 12V, 500 A, Zinc
Part Number
20308
Category
Battery Disconnect Switches
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20308
Type
Top Post, Negative, 12V, 500 A, Zinc
Polarity
Negative
Maximum Voltage
12V
Contact Material
Zinc
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 is a top-post rotary disconnect switch with a negative polarity, rated for 12V and a maximum surge current of 500 A, featuring zinc contacts. This switch provides a reliable method to isolate battery power for maintenance or safety, sourced and supported by 3G Electric across 14 industrial departments.

Frequently Asked Questions

What is a BATTERY DOCTOR battery disconnect switch used for?

A BATTERY DOCTOR battery disconnect switch isolates battery power for maintenance, safety, or storage. It prevents parasitic drain and reduces fire risk on vehicles, boats, and industrial equipment. 3G Electric supplies this switch across 14 industrial departments, including electrical and material handling.

What are the specifications of the BATTERY DOCTOR 20308 disconnect switch?

The BATTERY DOCTOR 20308 is a top-post rotary disconnect switch with negative polarity, rated for 12V and a maximum surge current of 500 A. It features zinc contacts. This switch is sourced by 3G Electric for applications requiring reliable battery isolation.

Where to buy a BATTERY DOCTOR battery disconnect switch worldwide?

3G Electric supplies the BATTERY DOCTOR battery disconnect switch worldwide, handling logistics, customs, and delivery. As a global industrial solutions provider, we source and deliver this switch to support maintenance and safety needs across industries.

How to install a BATTERY DOCTOR top-post disconnect switch?

To install a BATTERY DOCTOR top-post disconnect switch, disconnect the battery negative terminal first. Mount the switch on the negative post, tighten securely, and reconnect cables. Always follow manufacturer instructions and use proper tools. 3G Electric provides sourcing support for this switch.

Used in

Common applications for BATTERY DOCTOR
Fleet maintenance — Battery Doctor corrosion inhibitor MPN 16204 applied to battery terminals on trucks and buses to prevent acid buildup.
Heavy equipment electrical systems — Battery Doctor toggle switch MPN 20561 used for on/off control of auxiliary lighting on construction machinery.
Vehicle panel mounting — Battery Doctor switch panel MPN 20591 used to mount indicator lights in truck cabs.
Marine battery systems — Battery Doctor corrosion inhibitor MPN 16201 applied to terminal connections to reduce corrosion in humid environments.
Industrial battery rooms — Battery Doctor switch panel MPN 20590 used to organize control switches for stationary battery banks.
Bus electrical maintenance — Battery Doctor toggle switch with guard MPN 20565 installed to prevent accidental activation of battery disconnect circuits.
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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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