ZL-630A-R RS485 Temperature Controller Digital Cold Storage Temperature Controller Thermostat with Modbus _x000D_ _x000D_ The ZL-6x0A-R series is a thermostat with RS485 communication._x000D_ The device is suitable for controlling cold storage, seafood storage, water heaters, etc._x000D_ Cooling or heating mode._x000D_ Regular or intellectual thaw._x000D_ Fan control._x000D_ Temperature calibration._x000D_ High/low over temperature warning._x000D_ Temperature output delay protection._x000D_ Sensor failure warning._x000D_ Buzzer warning._x000D_ External warning input._x000D_ RS485 communication._x000D_ Sensor line: 1.5 meters long (including sensor)_x000D_ Sensor: NTC_x000D_ Setting range: -40~120 Celsius_x000D_ Display range: -50~130 Celsius_x000D_ Power: 185~245Vac, 50 / 60Hz_x000D_ Load: 3A, 10A, 250Vac (resistance)_x000D_ Storage temperature -30~70 Celsius_x000D_ Working temperature: -10~45 Celsius_x000D_ Voltage: 220Vac_x000D_ Work: relative humidity 5~85%, no condensation_x000D_ Protection level: IP65 (front only)_x000D_ Colour: Black_x000D_ Material: Plastic_x000D_ Size: L78 x W34.5 x D71 (mm)_x000D_ Installation drilling: L71 x W29 (mm)_x000D_ Package Contents:_x000D_ 1 * digital thermostat_x000D_ 1 * copper head sensor_x000D_ Only the above package content, other products are not included._x000D_ Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm._x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_