... (mm)Install TypeCoilSignal OutputSSR RELAY 4-20mA(mA)Power12-30V or 80-260V(V)Dimensions6 kinds selectable(mm) Features: 1, ... function,accuracy and reliable.3, Optional control output:Relay,SSR,SCR or 4-20mA; the analog output can be use for PID ... line of light industry,chemistry,machine,metallurgy,ceramics,pertrification industry, or temperature control and adjust system of food&beverage;oven;furnance ...