Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Black, Black - Automotive Rocker Switches
BATTERY DOCTORAutomotive Rocker Switches

BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Black, Black

The BATTERY DOCTOR Automotive Switch is a SPST rocker switch with an Off/On function, black actuator and stem, and a red LED indicator. It features 3 slip male terminals and panel-mount design (MPN 20550).

SKU 3G-OTH-504791

Brand
BATTERY DOCTOR
Item
Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Black, Black
Category
Automotive Rocker Switches
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BATTERY DOCTOR
Manufacturer Part Number
20550
Type
SPST, Off/On, Black, Black, Red LED
Features
Red LED
Terminals
Slip Male
Stem Color
Black
Connections
3
Switch Type
Rocker Switch
Contact Form
SPST
Actuator Color
Black
Mounting Style
Panel Mount
Switch Function
Off/On
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

BATTERY DOCTOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BATTERY DOCTOR Automotive Switch is a SPST rocker switch with an Off/On function, black actuator and stem, and a red LED indicator. It features 3 slip male terminals and panel-mount design (MPN 20550).

Frequently Asked Questions

What is the BATTERY DOCTOR 20550 rocker switch used for?

The BATTERY DOCTOR 20550 is a SPST rocker switch with Off/On function and a red LED indicator, designed for panel-mount applications in automotive, marine, and off-road equipment where a simple on/off control with visual status is needed.

What are the specifications of the BATTERY DOCTOR 20550 switch?

The BATTERY DOCTOR 20550 is a SPST rocker switch with Off/On function, black actuator and stem, 3 slip male terminals, and a red LED. It features panel-mount style and is rated for 12 VDC or 24 VDC automotive circuits.

Where to buy the BATTERY DOCTOR 20550 rocker switch worldwide?

3G Electric supplies the BATTERY DOCTOR 20550 rocker switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site, ensuring you receive genuine BATTERY DOCTOR parts for your automotive or marine panel project.

How to install the BATTERY DOCTOR 20550 panel-mount rocker switch?

To install the BATTERY DOCTOR 20550, cut a standard panel opening, insert the switch from the front, and secure it with the retaining nut. Connect the 3 slip male terminals to your circuit: common, load, and LED ground. Ensure power is off before wiring.

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

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from BATTERY DOCTOR

View all BATTERY DOCTOR parts →
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Black, Black (MPN 20554). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: Slip Male; Features: Illuminates In "On" Position; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Black, Black (MPN 20554). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: Slip Male; Features: Illuminates In "On" Position; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, On/Off, Red, Black (MPN 20532). Key specifications — Contact Form: SPST; Switch Function: On/Off; Actuator Color: Red; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, On/Off, Red, Black (MPN 20532). Key specifications — Contact Form: SPST; Switch Function: On/Off; Actuator Color: Red; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Red, Black, Slip Male (MPN 20595). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Red; Stem Color: Black; Terminals: Slip Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, Off/On, Red, Black, Slip Male (MPN 20595). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Red; Stem Color: Black; Terminals: Slip Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, On/Off, Amber, Black (MPN 20531). Key specifications — Contact Form: SPST; Switch Function: On/Off; Actuator Color: Amber; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 3 Connections, On/Off, Amber, Black (MPN 20531). Key specifications — Contact Form: SPST; Switch Function: On/Off; Actuator Color: Amber; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR Automotive Switch: Rocker Switch, DPST, 4 Connections, Off/On, Black, Black (MPN 20530). Key specifications — Contact Form: DPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: 1/4 in Male; Features: Orange LED; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, DPST, 4 Connections, Off/On, Black, Black (MPN 20530). Key specifications — Contact Form: DPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: 1/4 in Male; Features: Orange LED; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR.
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 2 Connections, Off/On, Black, Black (MPN 20525). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.
BATTERY DOCTOR
BATTERY DOCTOR Automotive Switch: Rocker Switch, SPST, 2 Connections, Off/On, Black, Black (MPN 20525). Key specifications — Contact Form: SPST; Switch Function: Off/On; Actuator Color: Black; Stem Color: Black; Terminals: 1/4 in Male; Mounting Style: Panel Mount; Brand: BATTERY DOCTOR; Switch Type: Rocker Switch.