The EM21-72D. AV5.3. X.0. SX from Carlo Gavazzi is a Type EM21 72D energy meter. This three phase energy meter available with removable front LCD display of 7DGT readout. It is suitable for both active and reactive energy metering for cost allocation but also for main electrical parameter measurement and retransmission (transducer function). In addition a 2 wire RS485 communication port is available as an option.
Self power supply range from 18VAC to 260VAC (48Hz-62Hz), across input "VL1" and "N"
Cat. III (IEC60664, EN60664) installation category
Dielectric strength of 4000Vrms/1minute
Protection degree IP50(front) and IP20 (screw terminals)
Noryl PA66 material, UL94 V-0 self extinguishing
CE, cULus approved
400g of weight
TRMS measurements of distorted sine waves (voltages/currents)
LCD type with alphanumeric indications to display all measured variables
