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 Single String PV/DC Isolator Switch Voltage 1500V Package Includes: 1 x YRIS W32/4 Single String 1500V 32A 4P PV/DC Isolator Switch