I have two hots going into my breaker box (240volts). I want to put this switch before it reaches power to the box so I can cut power completely?

Without me being able to see it, I don’t know how you would get 240 v from it. I can see how you could get 120 v from each switch but to have 240 v, I’m sorry but I don’t know the answer.

How do you attach the face plate?

If you look close at the picture you can see a screw in the knob and two black “plates.” Remove the screw and knob and then you can put a plate on either side of whatever you are installing the switch on and put the knob and screw back in. I bought the box in the “frequently bought together” section on Amazon too. Baomain Master Switch Exterior Box SZW26-20 Work for Cam Switch SZW26-20/0-3.2 660V 20A 4 Position I hope this helps

I want to run a series of 20 amp rectifying diodes around a rotary switch to adjust voltage to a 12vdc, 250 watt motor. Will this switch work?

This should work for what you explained.

can I use it to switch from charging 2 12v batteries in parallel to using my 24 v trolling motor in serial?

Trolling motors can draw a lot of amperage, make sure you spec it correctly

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Taiss Universal Changeover Switch 20A 550V 4 Position 8 Terminals Latching Rotary Cam Selector Switch + SV2-4s Blue Connection Terminal LW26-20 0-4/2

Taiss Universal Changeover Switch 20A 550V 4 Position 8 Terminals Latching Rotary Cam Selector Switch + SV2-4s Blue Connection Terminal LW26-20 0-4/2

Product ID: 558364634

Details

Operation mode
ON-OFF
Operating voltage
550 Volts
Connector type
Clamp
Brand
Taiss
Switch type
Rotary
Material
Copper Silver

⚡20A high current rating

🔄5-position latching rotary control

🔥Flame retardant, high-temp resistant PC

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Description

🔧 Switch Smart, Switch Safe — Command Your Circuit with Style!

SILVER ALLOY CONTACTS - Superior conductivity and oxidation resistance for reliable performance.
EFFORTLESS INSTALLATION - Includes mounting screws and 8 clamp terminals for quick setup.
BUILT TO LAST AND PROTECT - Flame retardant PC housing ensures safety under high temperatures.
PRECISION AT YOUR FINGERTIPS - 5 distinct latching positions for seamless circuit switching.
POWER THROUGH WITH CONFIDENCE - Handles up to 20A and 550V for robust electrical control.

The Taiss Universal Changeover Switch is a 5-position latching rotary selector designed for high-performance electrical applications. Rated for 20A and 550V, it features flame retardant PC material and silver alloy contacts for durability and safety. Ideal for motor control, power switches, and signal transfer, it comes complete with mounting hardware and clamp terminals for easy installation.

Specifications

ASIN	B08GR2344M
Brand	Taiss
Compatible Devices	Power Switches, Speed Switches, Asynchronous Motor, Circuit Control, Test Equipment, Motor Control, Master Control, Signal Transfer, Electrical Welding Machinery
Compatible with Vehicle Type	Electric motor vehicles
Connector Type	Clamp
Connector type	Clamp
Contact Material	Silver Alloy
Control Type	Rotary
Customer Reviews	4.4 out of 5 stars 307 Reviews
International Protection Rating	IP54
Item Dimensions	50 x 50 x 50 millimetres
Manufacturer	Taiss
Manufacturer Part Number	20A 550V
Material	Copper , Silver
Model Number	20A 550V
Mounting Type	Surface Mount
Number of Items	1
Operating Voltage	550 Volts
Operating voltage	550 Volts
Operation Mode	ON-OFF
Operation mode	ON-OFF
Switch Type	Rotary
Switch type	Rotary
Unit Count	1.0 count
Wattage	11000 watts

Reviews

A**.

Good Switch. Documentation Could Be Better, But It Works.

29.10.2023

R**T

Works as expected

12.02.2022

A**R

Needs a wiring diagram

26.02.2021

E**G

Bon produit,

semble très solide.

20.08.2023

R**.

Good Switch Design and Construction

11.11.2025

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€ 67.10

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to France.

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