Thyristors suitable for Normal Resistance, Medium & Long Wave IR, and Silicon Carbide load typesCurrent range – 30A, 35A, 40A, 60A, 90A, 120A, 150A, 180A, 210A, 280A, 400A, 450A, 500A, 600A, 700ASupply voltage up to 480V, 600V (690V available on units => 400A)Microprocessor based electronic circuit fully isolated from the powerFiring types include Zero Crossing, Burst FiringInput signals from DC Logic (SSR), 4-20mA, 0-10V DC Linear input, 10K Pot or RS485 commsSelectable control modes include V & VxIHeater Break (HB) alarm to diagnose partial or total load failure with automatic setting, relay alarm output and front LED indication.Available as an optionDigital inputs configurable via front panel keypadInternal quick-blow fuses as standardRS485 comms (Modbus Protocol) as standardInternal Current Transformer included as standardSpecial design Heatsink with high dissipation valueIP20 protectionComplies with CE specification, cUL pending