Brand Name: JH
Model Number: JH-HPS
Place of Origin: Jiangsu, China (Mainland)
Type: HVAC Systems
OPEN: 140BAR
CLOSE: 100BAR
COPPER FITTING: 6.35
electric connection: lead wire or 1/4’ terminals
Max. operate pressure: 3000PSI
AMBIENT TEMPERATURE: -30C-120C
This pressure switches is special used on the CO2 refrigerator system, and the pressure range is up to: open: 140bar; Close: 100bar. it can protector your machine.
The Max. pressure is up to 3000PSI=20Mpa=200Bar .
Now we have UL for it.
Also this product have the patent in China.