... .5mm), complying with standard JB/T7121-1993. 3. Type S wiring (Inlet from bottom, outlet from top), use CT connect operation ... 1 minute, 1.2/50us waveform impulse voltage 6kv DimensionWiring diagram (Type S) TerminalNoteTerminalNoteL1L1 phase CT9L1 phase lineL2L2 phase CT11L2 phase ...