(MT375) - Technical Description - Iskraemeco UK

Mx37y ─ Single- and three-phase electronic meters with built-in DLCmodem, GSM/GPRS modem or RS485 comm. interface14. Type designationMEMTSingle-phase electronic meterThree-phase electronic meter371 With built-in DLC modem372 With built-in GSM/GPRS modem or RS485D1 Terminal block: Imax=85 A (DIN 43857)D2 Terminal block: Imax=120 A (DIN 43857)D3 Terminal block: Imax=100 A (BS 5685)T1Terminal block up to 6 AA4 Active energy measurement, accuracy class 1 (MID B)A5 Active energy measurement, accuracy class 2 (MID A)1 Energy measurement in one direction2 Energy measurement in two directions4 Absolute measurement ΙAΙR5 Reactive energy measurement, accuracy cl. 2R6 Reactive energy measurement, accuracy cl. 31 Energy measurement in one direction2 Energy measurement in two directionsS6 Apparent energy measurement, 3.0%3 S = ( P 2 + Q 2 ) 1/2VBGPLLow voltage passive transistor input1 No. of inputs2 Control voltage is phase voltageHigh voltage output – relay type1 One relay contact output1 Relay contact output with make contactLow voltage outputN Number of outputs (n=1, 2)2 Transistor outputIntegrated switching device1 Phase disconectionHigh voltage output – Optomos type1 One control output1 Control output with make contactMInternal clock2 Back-up power supply – super capacitor3 Back-up power supply - Li- batteryK Communication interface0 Optical interface in compliance with IEC62056-213 RS485 communication interface4 DLC communication interfacea GPRS modemg M-Bus communication interfaceZ Load-profileMx37y_Technical_Description_ENG_v2.00.doc 37