... plate is using digital circuit trigger thyristor realizevolatage-regulation controller ,;2. Voltage regulating using phase shifting control mode, ... . The trigger plate with 0-5V, 4-20mA intelligent PID adjustor or PLC, mainly use for industrial furnace ... °C---80°CStorage:Good ventilation, no radiator, no corrosive, moisture capability, 90 percent RH, no condensation of moistureDimension: 145*90*40mmFor ...