X 24 V dc Safety Relay – Dual Channel With 8 Safety Contacts 1 Auxiliary Contact, Automatic Reset. X 24 V dc Safety Relay Dual Channel 8 Safety Contacts 1 Auxiliary Contact Automatic Reset PNOZ 9 24VDC 8n/o 1n/c 774150 Pilz is a safety relay with 8 normally open and 1 normally closed contacts. It is commonly used in industrial applications to monitor and control safety functions. This Pilz product can be purchased at PLC2Day.