An isolator is a mechanical switching device that, in the open position, allows for isolation of the input and output of a device . An isolator differs from a switch in that it is intended to be opened when the circuit is not carrying current. Specifications: Ampere 32A HARDWARE FEATURES Number of Poles 4Poles GENERAL SPECIFICATION Type Double String Indoor/ Outdoor Voltage 1000VDC Package Includes: 1 x YRIS-W32/4 Pole Rated voltage 1000VDC Double String