Discuss wiring a modular contactor 2 pole n/o in the Electricians' Talk area at ElectriciansForums.net
A1 and A2 are coil connections (energising...either Live/neutral 230v or phase/phase 400v).....if you are just switching a single pole use either terminals 1 and 2...or 3 and 4.
A1 Energising live
A2 Neutral (from supply side)
1 Permanent Live
3 Supply Neutral
2 Switch Live
4 Load Neutral
Reply to wiring a modular contactor 2 pole n/o in the Electricians' Talk area at ElectriciansForums.net