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BATTERY DOCTOR Automotive Switch: Toggle Switch, SPST, 3 Connections, On/Off, Silver - Automotive Toggle Switches
BATTERY DOCTORAutomotive Toggle Switches

BATTERY DOCTOR Automotive Switch: Toggle Switch, SPST, 3 Connections, On/Off, Silver

The BATTERY DOCTOR Automotive Toggle Switch (MPN 20521) is an SPST, On/Off switch with a silver actuator and black stem, featuring a blue LED. It offers 3 connections, 1/4 in male terminals, and panel-mount installation.

SKU 3G-OTH-516157

Brand
BATTERY DOCTOR
Item
Automotive Switch: Toggle Switch, SPST, 3 Connections, On/Off, Silver
Category
Automotive Toggle Switches
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Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20521
Type
SPST, On/Off, Silver, Black
Features
Blue LED
Terminals
1/4 in Male
Stem Color
Black
Connections
3
Switch Type
Toggle Switch
Contact Form
SPST
Actuator Color
Silver
Mounting Style
Panel Mount
Switch Function
On/Off
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BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Automotive Toggle Switch (MPN 20521) is an SPST, On/Off switch with a silver actuator and black stem, featuring a blue LED. It offers 3 connections, 1/4 in male terminals, and panel-mount installation.

Frequently Asked Questions

What is the BATTERY DOCTOR 20521 toggle switch used for?

The BATTERY DOCTOR 20521 is an SPST On/Off toggle switch with a blue LED, designed for automotive electrical circuits. It is commonly used to control accessories such as lights, fans, or pumps in vehicles, providing a reliable panel-mount switching solution.

What are the specifications of the BATTERY DOCTOR 20521 switch?

The BATTERY DOCTOR 20521 is an SPST toggle switch with On/Off function, silver actuator, black stem, and 3 connections. It features 1/4 in male terminals, a blue LED indicator, and panel-mount installation. The brand is BATTERY DOCTOR.

Where to buy the BATTERY DOCTOR 20521 toggle switch worldwide?

3G Electric supplies the BATTERY DOCTOR 20521 toggle switch 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 SPST On/Off switch with blue LED.

How to install the BATTERY DOCTOR 20521 panel-mount toggle switch?

To install the BATTERY DOCTOR 20521, drill a panel hole to the switch's specified diameter, insert the switch through the front, and secure it with the included mounting nut. Connect the 1/4 in male terminals to your circuit using female quick-disconnect connectors, ensuring proper polarity for the blue LED.

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 automotive toggle switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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