... ,Standby 2.Disply:C or F 3.Thermocouple reverse protect 10-zone Hot Runner Temperature Controller FeaturesIntegrated construction permits easy disassembly ... signals are connected reliably.There are 2,4,6,8,10,12,24 zones for customers to select.Specification Supply VoltageAC85V ... -start mode, avoid the humidity make the heater burn out 10-zone Hot runner temperature controller