Circular Connector; Body Material:aluminum Alloy; Series:MS3110; Number of Contacts:41; Connector Shell Size:20; Connecting Termination:Solder; Circular Shell Style:Wall Mount Receptacle; Circular Contact Gender:Socket 40kV high VOLTAGE ISOLATOR WITH PHOTOTRANSISTOR or PHOTODARLINGTON output CERAMIC PACKAGE 40kV high VOLTAGE ISOLATOR WITH PHOTOTRANSISTOR or PHOTODARLINGTON output/ CERAMIC PACKAGE 40kV high VOLTAGE ISOLATOR WITH PHOTOTRANSISTOR or PHOTODARLINGTON output, CERAMIC PACKAGE