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

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

The BATTERY DOCTOR Master Disconnect Switch is an in-line rotary battery disconnect switch with a negative polarity, rated for 12V and 500 A max current (5,000 A surge). It features silver-plated copper contacts (MPN…

SKU 3G-OTH-497596

Also listed as: 202437 · 20243 7

Brand
BATTERY DOCTOR
Item
Master Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V
Category
Battery Disconnect Switches
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20243-7
Type
In-Line, Negative, 12V
Polarity
Negative
Max Current
500 A
Maximum Voltage
12V
Contact Material
Silver Plated Copper
Maximum Surge Current
5,000 A

Technical Documents

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

Product Description

The BATTERY DOCTOR Master Disconnect Switch is an in-line rotary battery disconnect switch with a negative polarity, rated for 12V and 500 A max current (5,000 A surge). It features silver-plated copper contacts (MPN 20243-7). 3G Electric interprets demand and delivers this switch across 14 industrial departments, with specialist depth in electrical controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the BATTERY DOCTOR Master Disconnect Switch used for?

The BATTERY DOCTOR Master Disconnect Switch (MPN 20243-7) is used to isolate battery power in vehicles, marine systems, and industrial equipment. It provides a safe, manual disconnect for maintenance, emergency shutdown, or theft prevention. 3G Electric supplies this switch across 14 industrial departments, with specialist depth in electrical controls.

What are the specifications of the BATTERY DOCTOR Master Disconnect Switch?

The BATTERY DOCTOR Master Disconnect Switch is an in-line rotary switch with negative polarity, rated for 12 V and 500 A max continuous current, with a 5,000 A surge capacity. It features silver-plated copper contacts for reliable conductivity. The manufacturer part number is 20243-7.

Where to buy the BATTERY DOCTOR Master Disconnect Switch worldwide?

3G Electric supplies the BATTERY DOCTOR Master Disconnect Switch (MPN 20243-7) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this switch.

How to install the BATTERY DOCTOR Master Disconnect Switch?

Install the BATTERY DOCTOR Master Disconnect Switch by disconnecting the battery negative terminal first. Mount the switch securely in-line with the negative cable using appropriate hardware. Ensure all connections are tight and corrosion-free. Always follow manufacturer instructions and safety guidelines for 12 V systems.

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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