can I use this 3 position switch to connect a generator to a heating system?

Yes, you can use this 3 position switch to connect a generator to a heating system.

What size is the screw that holds switch pointer lost mine

It's about 1/8" in diameter and about 1/2" long. But any small self tapping screw will do.

As a generator transfer switch is the internal design so the Mains and generator cannot be connected even if switch failed?

Even if the switch If connected correctly and the switch fails, the two supplies can't connect to each other.

What is the largest size wire that can be connected to this switch?

You can use 5-10awg wire to connect this 63amp transfer switch

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Changeover Switch LW28-32 660V 32A 3 Position 2 Phase Universal Rotary Cam Selector Switch with 5 Screws

Changeover Switch LW28-32 660V 32A 3 Position 2 Phase Universal Rotary Cam Selector Switch with 5 Screws

Product ID: 431956195

Details

Connector type
Screws
Contact type
Normally Open
Current rating
32 Amps
Operating voltage
660 Volts
Operation mode
ON-OFF

⚡660V high-voltage rating

🔄3-position rotary selector switch

🔩8 screw terminals for secure connections

NT$1032

Duties & taxes included

In stock

Sold byAmazon TaiwanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔄 Switch Smart, Stay Ahead: The Ultimate Rotary Selector for Pros

SEAMLESS SWITCHING - 3-position ON/OFF/ON rotary design for versatile circuit management
COMPACT LIGHTWEIGHT - Sleek 88x64x66mm size and just 245g for space-saving setups
MOUNT WITH CONFIDENCE - Includes 5 screws and a square plate for effortless, secure installation
POWERHOUSE PERFORMANCE - Handles up to 32A current for robust electrical control
UNIVERSAL COMPATIBILITY - Perfect for motors, welding machines, and testing equipment

The Peissy LW28-32 Changeover Switch is a durable, 3-position rotary cam selector designed for high-voltage (660V) and 32A current applications. Featuring 8 screw terminals and a latching action, it ensures secure, reliable switching for motors, welding machinery, and control circuits. Compact and easy to mount with included screws, it’s engineered for professional-grade electrical setups demanding precision and versatility.

Specifications

ASIN	B07WF962F8
Actuator Type	Rotary
Brand	Peissy
Brand Name	Peissy
Circuit Type	3-way
Color	Black
Compatible Devices	Squirrel cage type asynchronous motor, electric welding machinery, testing equipment
Connectivity Protocol	X-10
Connector Type	Screws
Connector type	Screws
Contact Material	Metal
Contact Type	Normally Open
Contact type	Normally Open
Control Method	Touch
Control Type	Rotary
Controller Type	Push Button
Current Rating	32 Amps
Current rating	32 Amps
Customer Reviews	3.9 out of 5 stars 5 Reviews
International Protection Rating	IP65
Item Weight	0.1 Kilograms
Manufacturer	Peissy
Material Type	Plastic
Mounting Type	Surface Mount
Number of Items	1
Number of Positions	3
Operating Voltage	660 Volts
Operating voltage	660 Volts
Operation Mode	ON-OFF
Operation mode	ON-OFF
Specification Met	CE
Switch Type	Rotary
Terminal	Screw
UPC	821906435358
Unit Count	1 Count

Reviews

S**F

Very good product

I use it in my caravan because I do have two water pump

24.06.2025

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