M41

Salient features

  • Site Programmable CT & PT Ratio
  • LED Display
  • True RMS Measurement
  • Password Protection
  • RS485 Computer Interface
  • Monitor Temperature through 3 AI RTD PT100
  • Monitor True RMS Earth Fault Current
  • MD Monitoring and Controlling
  • 3 Digital I/P’s for Switchgear status
  • 2 Relay O/P’s for Controlling/Alarming
  • Harmonics Measurement (Individual/Total)
  • Auto Ranging
  • Universal Aux. Supply
  • LED Indicators for I/P Status, Earth Fault, Temp.
  • Fault, Relay, Rx, Tx & 2nd Source on.

Applications:

  • Control panel
  • Test bench
  • Distribution system
  • Energy management
  • Generator sets
  • Process control & SCADA
  • Motor control

Description

Model M 41
Class Accuracy  1/0.5
phase  3 phase 4 wire / 1 phase 2 wire
Display LCD
Auxiliary Voltage 90-270V AC (±15%)
Frequency 50/60 Hz
Measurement Accuracy 1%
Voltage ±0.5%
Current ±0.5%
Frequency accuracy ±0.1%
Power factor  ±0.5%
Unbalances
Import/Export Yes
THD Measurement Yes
Individual Harmonics Upto 31 level over RS486
Total harmonics  Yes
Active Power ±0.5%
Active Energy ±1%
Apparent Power ±1%
Reactive Power ±2%
Reactive Energy ±2%
Voltage Measurement Range 0-500 VAC (L-L)/0-300V (L-N)
Current Measurement Range 0.015A-6A AC Direct 60A(opt.)
Digital Input/Output 3 DI & 2 relay output
Analog Input 3 AI
Temp Sensor  3 RTD Input
Real Time Clock Yes
Maximum Demand Controller Yes
Voltage and current disturbance (Sag and Swell) Yes
Degree of Protection IP51
Dual Source Yes
Communication Modbus RS485
Baud Rate 4800 to 38400 bps
Sampling Rate 64
Compliance Safety and EMC IEC 61010-1 (Safety) , IEC 61000 4-2,4-3,4-6,4-8,4-4,4-11 (EMC)
Power Monitoring Device IEC 61557-12
Data Logger Yes
Burdan  3 VA Max. for aux supply for 0.2 VA for voltage and current
Weight  280 gms
Ambient  -10-55 C
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