... ISO9001. Weather Protected Isolating Switches,high-voltage isolator switch,weather protected switch,isolated switch1.Nissad isolator switch2.Function : as the ... of auxiliary switch3.certificate:ISO90014. Detailed description:NISSAD Islator switch NKF2-202 pole-20 AmpNKF2-322 pole-32 AmpNKF2 ... Amp5.FunctionWhen the circuit breaker off, due to isolation switch off, so that part of the electricity and ...