MAIN CHARACTERISTICS range of product INS250 range COMPACT product or component type INTERLOCK accessory / separate part category INTERLOCKING ACCESSORY range compatibility COMPACT - COMPACT INS SWITCH DISCONNECTOR poles description 3P COMPLEMETARY CHARACTERISTICS source-changeover interlock MANUAL interlocked device INS250-100..250 control type DIRECT ROTARY HANDLE mounting mode FIXED product compatibility COMPACT INS250