Are the green terminals at the bottom of the switch a set of auxiliary contacts for each side of the switch, I can't find any information about them?

the green terminals are sensor ports so the unit may know which side of the switch is currently offering power. 1 and 2 sensors should be connected to the normal supply power and , 3 and 4 should be connected to the stand by power supply , so they may know which side offers power and switch to it.

can this be used for a dryer/ ev charger outler? I would like to use my dryer as primary load and ev as a secondary load. So this would transfer power

No that's not how this device functions. You might want to look into getting a registered electrician to run a 60-amp circuit in for you, depending on where you are there is a tax deduction for having that done.

how do you wire this up for 220Volts? there is only 1 hot and a neutral?

The 2P 220 volt version will work with 220 volts input on both the normal power terminals and emergency (backup) terminals. It is the manufacturer's fault for not marking the 2P 220 volt version input and output terminals as L1 & L2 as in 220 volts single phase instead of L1 & "N" as in neutral. Very deceiving and confusing to the end user. The only difference between the 1P (110 volt version) and the 2P (220 volt version) is the internal components such as the signal relay and the AC motor to drive the gears to move the main switch from one input to another. (as I have both versions and have bench tested them and taken them apart) I personally made my own label for the neutral input side from "N" to "L2" to avoid confusion when installing it. Hope this helps, Michael J, the Electrician, Electronics Technician & Troubleshooter.

Can i use this in reverse? can i have two different loads and switch between them from one 120v power source? *asking for tech capability not code

I don't think so. Probably better to control the two loads so that only one draws power at any given time. You can buy a power switch with an IP address you can control from your phone for $10.

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⚡ Power up your peace of mind with instant, intelligent switching!

DUAL MODE FLEXIBILITY - Switch effortlessly between automatic and manual modes for ultimate control and reliability.
VERSATILE APPLICATION - Ideal for offices, homes, and public spaces demanding uninterrupted power and fire safety compliance.
COMPACT EASY INSTALL - Sleek 15x13x12 cm design with protective cover and clear electronic manual for hassle-free setup.
ROBUST SAFETY PROTECTIONS - Built-in safeguards against short circuit, overload, phase loss, and undervoltage keep your setup secure.
SEAMLESS POWER CONTINUITY - Automatic transfer within 2 seconds ensures zero downtime for your critical systems.

The JONASC 220V 63A 2P Dual Power Automatic Transfer Switch offers rapid 2-second power transfer with dual automatic/manual operation modes. Designed for high reliability, it features comprehensive protection functions and a compact form factor, making it perfect for office buildings and public areas requiring seamless power backup and fire safety integration.

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Manufacturer	JONAS C
Part number	GCQ-63/2P -220V
Item Weight	1.22 kg
Product Dimensions	14.99 x 13.46 x 11.68 cm; 1.22 kg
Item model number	GCQ-63/2P -220V
Size	220V 63A 2P
Colour	Onecolor
Wattage	7.03E+3
Switch Type	2-way
Batteries included?	No
Batteries Required?	No

JONASC 220V 63A 2P Dual Power Automatic Transfer Switch Generator Changeover Switch 50HZ/60HZ

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