Hubbell Industrial Controls 69ES2 Pressure Switch 319825-402 5 pole' vs '1 pole'

5 pole' vs '1 pole' mean for this part

and assembly line air drops where reliable CFM performance and pressure stability are non-negotiable

this Honeywell/Resideo smart gas valve is designed for Natural Gas (NG) applications

What is the difference between 068U2204 and 068U220400

Hubbell Industrial Controls 69ES2 Pressure Switch 319825-402 5 pole' vs '1 pole'The Hubbell 69ES2 Pressure Switch is an industrial grade water pump pressure control engineered for demanding residential, agricultural, and light commercial well systems. For contractors seeking a rugged alternative to standard switches, the HC69ES2 features a high performance 80 PSI cut out and a field adjustable differential ranging from 15 to 25 PSI. This Hubbell Industrial Controls unit is built with 100% copper terminals and silver cad oxide