Data center energy supply

UMG20CM operating and residual current measuring device with 20 channels & memory (max. 116 channels)

CODE: 14.01.625

Operating and residual current measuring device with 20 channels and memory for DIN rail mounting. Supply voltage 90-264V AC (50/60Hz) / 120-350V DC Dimensions: 90.105x72, (6 TE) for 20 current transformer inputs for CT6-20, SCT-20, CT20, 4 voltage inputs with continuous sampling of the voltage and current measurement inputs Operating data: Rated voltage (insulation coordination according to IEC 60664-1) AC 300 V, rated impulse voltage 4 kV, overvoltage category III, degree of pollution 3, Supply voltage, AC/DC 70..276 V 50/60 Hz Own consumption 3 watts Monitored System Instrument transformer types / transformation ratio: Operating current measuring transformer: Splitcore SCT20 3000/1, CT-6-20 700/1, CT20 700/1 Residual current measuring transformer: CT-6-20 700/1, CT20 700/1 Measuring channels / evaluation: Number of measuring channels: 24 (4x voltage L1,L2, L3, N / 20x current measuring transformer) Measured value acquisition: parallel, real effective value measurement (True RMS), Sampling rate: (all channels) 20 kHz Cut-off frequency: (all channels) 3 kHz Current measurement channel function: individually configurable per channel as operating current or residual current Measurements: voltages / operating currents / differential currents Evaluation: voltage, current, active power, apparent power, Reactive power, phase shift, real work, MIN and MAX, cost centers Number of harmonics: 63.OS odd Data transfer Measured values: in V, A, kW, kVA, kVar, cosf, kWh Evaluation range operating current: 0..63 A Evaluation range residual current: 0..1000 mA Connection monitoring: Each input has a converter connection control Parameterization: Configurable values per channel: warning and response thresholds / hysteresis range for response thresholds, Delay times: Delay of the warning and response messages: (0 .. 10 s) Reset delay of response and warning messages: tvr (0 .. 10 s) Displays and messages: Displays: 27 LEDs, 3 states per LED Messages: LED / digital outputs / RS485 Digital outputs (open collector): Number: 2 External wiring: relay / PLC inputs Output current max. / output 350 mA External voltage source: (auxiliary voltage) UC 24 V Communication Interface / Protocol: Interface / protocol: RS485 (AB,GND) not isolated / Modbus RTU (slave) Setting range from 9600 baud to 921600 baud Environmental conditions: Ambient temperature (during operation): according to EN 61557-8: 1997 -5 .. +55°C Ambient temperature (during storage): according to EN 61557-8: 1997 -25 .. +70°C Climatic class according to IEC 7213K5, without condensation and icing Delivery including: Installation accessories, documentation, coordination of the design with the practical application and the measured variables including their recording intervals, compatible residual current transformer set, configuration and parameterization of the device, delivery, installation and Connection. Make: Janitza electronics GmbH Type: UMG20CM Item No. 1401625 Unit: piece Item No .: 1401625

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