... the output device switchrs as OFF immediately. Relay LED is OFF,Asymmetry and Phase sequence error ... changed by any reason, the output relay switches OFF immediately. Relay LED is OFF, Phase sequence ... of PTC, the outputrelay switches off immediately,relay LED is OFF, this feature is included ... phase connection11.Neutral connection(only for 05and05p series)12.PTC connection**:Only available in MK-05p ...