“This Harmony electrode holder is an accessory for control relay.” “It applies to a wide type of industrial automation applications.” “It is designed to be used in high temperature conditions up to 350 °C and it is made of stainless steel and ceramic isolation.” “Automatic detection of abnormal electrical values before they incur serious damage to machinery thus reducing your maintenance and downtime costs.” “It provides automatic shutdown management and fault information to user for a quick fault identification and troubleshooting.”