X 24 V dc, 230 V ac Safety Relay – Dual Channel With 3 Safety Contacts 1 Auxiliary Contact, Automatic. X 24 V dc 230 V ac Safety Relay Dual Channel 3 Safety Contacts 1 Auxiliary Contact Automatic operation PNOZ X3 230VAC 24VDC 3n/0 1n/c 1so 774318 Pilz is a safety relay suitable for industrial applications such as machinery and automation systems. This product can be purchased at PLC2Day.