BATTERY DOCTOR Battery Disconnect Switch: In-Line Knife Blade, In-Line, Negative, 12V
The BATTERY DOCTOR Battery Disconnect Switch (MPN 20188) is an in-line knife blade switch with negative polarity, rated for 12V maximum voltage and featuring brass contacts. 3G Electric interprets your demand for…
SKU 3G-OTH-497588
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Product Description
The BATTERY DOCTOR Battery Disconnect Switch (MPN 20188) is an in-line knife blade switch with negative polarity, rated for 12V maximum voltage and featuring brass contacts. 3G Electric interprets your demand for this specific disconnect switch, sources it from BATTERY DOCTOR, and provides a quote with dedicated support across 14 industrial departments, with specialist depth in electrical controls.
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 knife blade switch disconnects the battery from a 12V electrical system, preventing parasitic drain during storage or servicing. It is commonly used on vehicles, boats, and industrial equipment where a quick, manual battery isolation is needed.
What are the specifications of the BATTERY DOCTOR 20188 disconnect switch?
The BATTERY DOCTOR 20188 is an in-line knife blade switch with negative polarity, rated for 12V maximum voltage. Its contacts are made of brass and copper. The manufacturer part number is 20188.
Where to buy the BATTERY DOCTOR 20188 battery disconnect switch worldwide?
3G Electric supplies the BATTERY DOCTOR 20188 battery disconnect switch worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and dedicated support across 14 industrial departments, with specialist depth in electrical controls.
How to install the BATTERY DOCTOR in-line knife blade disconnect switch?
Disconnect the battery negative terminal first. Mount the switch in-line on the negative cable using the provided terminals. Ensure the knife blade makes solid contact with the brass jaws. Always follow the manufacturer's instructions and local electrical codes 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.









