Will the led light if the switch is used for a 12vdc circuit?

Light only connect to AC 110 -125V,Can light up

what size is the switch?

Mounting Size: 26 x 21.5mm / 1.02" x 0.85" (L*W); Overall Size: 30 x 25 x 35mm / 1.2" x 1" x 1.4" (L*W*H)

Can this be used as a transfer switch where a single load (i.e. furnace) can be switched between 2 power sources such as a generator and line power?

This is no where near the wattage rating you would need for such an application. Most furnaces are in the KILOWATT range. This switch is only 10 amp, 120 volt switch or 6 amp 240v switch. Most furnaces I have seen are 240v hardlined. I suspect the load for a furnace will be higher than the 1200 Watt max this switch can hold (unless just a controller for a gas furnace). It is a fire hazard if more wattage is going through this rocker and is not to code for such a practice. I would look for a higher rated one. Also, there are dedicated switches for that that are better suited - especially as once the power grid is energized you will want to make sure the generator and the grid are isolated and this little rocker is no where as powerful as needed. All in all, no. Get a better, higher rated switch.

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/2Pcs Rocker Switch 6 Pins 3 Position ON/Off/ON AC 10A/125V 6A/250V DPDT Car Boat Black KCD4 Rocker Switch Toggle KCD2-203

Product ID: 112394031

Details

Brand
Twidec
Connector Type
Quick Connect
Contact Type
Dpdt
Current Rating
10 A
Item dimensions L x W x H
5 x 2 x 0.05
Material
Plastic

⚡10A/125V & 6A/250V rated power

🔄3-position ON/OFF/ON toggle

🔧80,000+ mechanical cycles durability

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Description

⚡ Rock your control with the switch that never quits!

BUILT TO LAST - Engineered for over 80,000 mechanical cycles ensuring long-term durability in demanding environments.
COMPACT SLEEK - Streamlined 30x25x35mm size fits perfectly in panel mounts without compromising style.
PLUG PLAY READY - 6-pin DPDT design with quick-connect terminals for easy installation in cars, boats, and more.
POWER MEETS PRECISION - Handles up to 10A at 125V AC and 6A at 250V AC for versatile, reliable performance.
TRIPLE ACTION CONTROL - Seamlessly switch between ON/OFF/ON positions for ultimate device management.

The Twidec 2-pack Rocker Switches deliver robust, triple-position ON/OFF/ON control with a durable DPDT 6-pin design. Rated for 10A/125V and 6A/250V, these compact toggles are built to endure over 80,000 mechanical cycles, making them ideal for automotive, marine, and home applications. Easy to install and backed by a 1-year quality guarantee, they combine reliability with sleek functionality for the modern professional.

Specifications

ASIN	B07MV52Z9R
Actuator Type	Toggle
Best Sellers Rank	#21,166 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #9 in Boat Rocker Switches
Brand Name	Twidec
Circuit Type	3-way
Color	KCD2-2-Black-ON-OFF-ON
Compatible Devices	Lights, Water Dispenser, Treadmill, Coffee Pot, Speaker, Electric Car, Motorcycle, TV, Massage Machine
Compatible with Vehicle Type	Car, Boat
Connectivity Protocol	X-10
Connector Type	Quick Connect
Contact Material	Brass
Contact Type	Dpdt
Control Method	Touch
Control Type	Manual
Current Rating	10 A
Customer Reviews	4.4 4.4 out of 5 stars (487)
EU Spare Part Availability Duration	1 years
Included Components	SWITCH
Insulation Resistance	100 megaohms
International Protection Rating	IP44
Item Dimensions	5 x 2 x 0.05 inches
Item Weight	0.27 g
Manufacturer	Twidec
Material Type	Plastic
Model	KCD2-203
Mounting Type	Panel Mount
Number of Items	1
Number of Positions	3
Operating Voltage	250 volts
Operation Mode	ON-OFF-ON
Part Number	KCD2-203
Switch Type	Rocker
Terminal	Spade
UPC	740385348419 654913663137
Unit Count	2 Count
Wattage	2000 watts

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€ 14.53

Duties & taxes included

In stock

Sold byAmazon FinlandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

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

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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