BATTERY DOCTOR Battery Disconnect Switch: Side Post Knife Blade, Side Terminal, Negative
The BATTERY DOCTOR Battery Disconnect Switch is a side post knife blade switch with a negative polarity and a maximum voltage of 12V. It features copper contacts and is identified by manufacturer part number 20128.
SKU 3G-OTH-497587
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The BATTERY DOCTOR Battery Disconnect Switch is a side post knife blade switch with a negative polarity and a maximum voltage of 12V. It features copper contacts and is identified by manufacturer part number 20128.
Frequently Asked Questions
What is the BATTERY DOCTOR Battery Disconnect Switch used for?
This side post knife blade switch disconnects the battery to prevent parasitic drain, secure equipment during storage, or enable emergency power cutoff. It is commonly used on vehicles, boats, RVs, and industrial machinery where a reliable 12V negative-side disconnect is required.
What are the specifications of the BATTERY DOCTOR Battery Disconnect Switch?
The BATTERY DOCTOR 20128 is a side terminal, negative polarity disconnect switch rated for 12V maximum. It features copper contacts for low resistance and a knife blade design for quick, positive disconnection. The switch is designed for side post battery terminals.
Where to buy the BATTERY DOCTOR Battery Disconnect Switch worldwide?
3G Electric supplies the BATTERY DOCTOR 20128 battery disconnect switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this side post knife blade switch.
How to install the BATTERY DOCTOR Battery Disconnect Switch?
Disconnect the battery ground cable first. Mount the switch securely near the battery. Connect the negative battery cable to the switch terminal and the other switch terminal to the vehicle chassis ground. Ensure all connections are tight and corrosion-free. Always follow manufacturer instructions.
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.
