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
Need installation or engineering help?
Ask a question
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.
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 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 DOCTORBATTERY 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.









