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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 (MPN 20259) is an in-line rotary switch designed for negative polarity 12V systems. It features a maximum current rating of 250 A and a maximum surge current of 2,500 A…

SKU 3G-OTH-497593

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
20259
Type
In-Line, Negative, 12V
Polarity
Negative
Max Current
250 A
Maximum Voltage
12V
Contact Material
Copper
Maximum Surge Current
2,500 A
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BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Battery Disconnect Switch (MPN 20259) is an in-line rotary switch designed for negative polarity 12V systems. It features a maximum current rating of 250 A and a maximum surge current of 2,500 A, with copper contacts for reliable electrical performance.

Frequently Asked Questions

What is a BATTERY DOCTOR Battery Disconnect Switch used for?

The BATTERY DOCTOR Battery Disconnect Switch (MPN 20259) is used to safely isolate a 12V negative-polarity battery circuit in vehicles, marine systems, or industrial equipment. It prevents parasitic drain, enables maintenance, and acts as a safety cutoff. 3G Electric supplies this switch globally, handling logistics and customs for worldwide delivery.

What are the specifications of the BATTERY DOCTOR 20259 switch?

The BATTERY DOCTOR 20259 is an in-line rotary disconnect switch rated for 12V negative polarity systems. It handles a maximum continuous current of 250 A and a surge current of 2,500 A. Contacts are made of copper for reliable conductivity. 3G Electric sources this genuine BATTERY DOCTOR part for global supply.

Where to buy a BATTERY DOCTOR battery disconnect switch worldwide?

3G Electric supplies the BATTERY DOCTOR Battery Disconnect Switch (MPN 20259) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this 12V, 250 A in-line rotary switch for your application.

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

Install the BATTERY DOCTOR 20259 switch in the negative battery cable, ensuring the circuit is off. Use appropriate gauge wire for 250 A continuous load. Tighten copper terminals securely and verify polarity. 3G Electric provides this genuine BATTERY DOCTOR part; consult a qualified technician for safe 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 Battery Disconnect Switch: Top Post Knife Blade, Top Post, Negative, 12V (MPN 20138). Key specifications — Polarity: Negative; Maximum Voltage: 12V; Contact Material: Copper; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Master Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V, 500 A Max Current (MPN 20243-7). Key specifications — Polarity: Negative; Maximum Voltage: 12V; Maximum Surge Current: 5,000 A; Contact Material: Silver Plated Copper; Brand: BATTERY DOCTOR.
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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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BATTERY DOCTOR Master Disconnect Switch/Lockout: In-Line Rotary, In-Line, Negative, 12V, 5,000 A (MPN 20247-7). Key specifications — Polarity: Negative; Maximum Voltage: 12V; Maximum Surge Current: 5,000 A; Contact Material: Silver Plated Copper; Brand: BATTERY DOCTOR.
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