Basic Configuration Built-in data collector Built-in SmartLogger3000Bx 1 Built-in expansion module Support optional SmartModule1000A RS485 standard MBUS interface number1 1 way Working temperature -40℃ ~ 60℃ Working Relative Humidity 4% ~ 100% Maximum working altitude 4,000 m SmartACU AC input voltage 100 V ~ 240 V, L / N (L) + PE MBUS interface AC input voltage 380 V ~ 800 V, 3Ph PID module AC input voltage 380 V ~ 800 V, 3Ph+FE (functional ground) AC input frequency 50 / 60 Hz Power supply Standard 12 V DC power supply Optional 24 V DC power supply Inlet and outlet type Lower inlet and lower outlet Operation and maintenance method Front operation, front maintenance Dimensions (W/ H/ D) 640 x 770 x 315 mm Weight 29 kg Protection class IP65 Mounting method: bracket, pole, wall mount