BATTERY DOCTOR Battery Disconnect Switch: In-Line Rotary, In-Line, Negative, 12V
The BATTERY DOCTOR Battery Disconnect Switch is an in-line rotary switch with negative polarity, rated for 12V and 300 A max current, featuring copper contacts (MPN 20387). 3G Electric interprets your demand for this…
SKU 3G-OTH-497594
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Product Description
The BATTERY DOCTOR Battery Disconnect Switch is an in-line rotary switch with negative polarity, rated for 12V and 300 A max current, featuring copper contacts (MPN 20387). 3G Electric interprets your demand for this OEM-sourced disconnect switch, sourcing it across 14 industrial departments — with specialist depth in electrical controls as an authorised distributor — and supports your application with accountable quoting and technical guidance.
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 Battery Disconnect Switch used for?
This in-line rotary disconnect switch isolates the battery in 12V electrical systems, preventing parasitic drain during storage or servicing. It is commonly used on vehicles, marine vessels, and industrial equipment where a reliable negative-side cutoff is required.
What are the specifications of the BATTERY DOCTOR 20387 disconnect switch?
The BATTERY DOCTOR 20387 is an in-line rotary switch with negative polarity, rated for 12V maximum voltage and 300 A max current. It features copper contacts for low resistance and is designed for permanent installation on the battery cable.
Where to buy the BATTERY DOCTOR 20387 battery disconnect switch worldwide?
3G Electric supplies the BATTERY DOCTOR 20387 disconnect switch worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and technical support for your application.
How to install the BATTERY DOCTOR in-line battery disconnect switch?
Disconnect the battery negative terminal first. Mount the switch in-line on the negative cable using the provided hardware. Ensure copper contacts are clean and tight. Reconnect the battery and test operation. Always follow manufacturer instructions 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.
