Specification Model SPM02 D2TZ U01 ZMProduct Name Smart Energy MeterRated Operating Voltage 110 240V AC phase to neutral 50 60Hz 208 415V AC phase to phase 50 60HzBasic Current 10AStarting Current 50mAMax Current 63AOver voltage Category IIIProtection Degree IP20Rated Operating Temperature 25°C to 60°CRated Insulating Voltage 440VRated Impulse Withstand Voltage 4kVDimensions 53mm x 46mm x 21mmFeatures 1 Zigbee3 0 Protocol Seamless integration with the Zigbee3 0 Home Assistant system for smart energy monitoring 2 Multi Data Measurement Measures voltage current power consumption and power factor with high precision 3 Bi directional Energy Flow Supports monitoring of solar and grid energy distribution in real time 4 Home Assistant Compatibility Provides hourly daily and monthly energy reports via Home Assistant integration 5 Safety Features Active protection against over voltage and electrical hazards through precise monitoring 6 Space Saving Design Compact and easy to install within DIN rail spaces in distribution panels Package Includes 1 x Smart Energy Monitor