MultiTek VAR Transducer

SELECTION GUIDE
M100-XA1 Single phase
M100-XA2 3 phase 3 wire balanced load
M100-XA3 3 phase 4 wire balanced load
M100-XA4 3 phase 3 wire unbalanced load
M100-XA5 3 phase 4 wire unbalanced load
M100-XA6 3 phase 3 wire unbalanced load
M100-XA7 3 phase 3 wire balanced load internally reversed C.T.s

TYPICAL APPLICATIONS
The M100-XA series measure reactive power in single, 3 phase 3 or 4 wire balanced and unbalanced systems. Using the time division multiplier circuit means that they can be used over a wide range of input waveforms. The D.C. Output signal is directly proportional to the instantaneous reactive power being measured.
Typical applications include the measurement of reactive power in switchboards, power stations and generating sets etc. The high isolation of 4kV as with all the M100 series, allows these VAr transducers to be connected to a variety of measuring and control devices and systems, such as analogue meters, PLC, computers, data loggers, digital instruments and telemetry systems.
Both auxiliary powered and self powered versions of each type are available, it is recommended to use an auxiliary powered version if the system being measured has voltage variations in excess of ± 20%.

OPTIONS
1. Non standard inputs / outputs only as far as technically acceptable.
2. A.C. Auxiliary in range 57.7 to 450 volts
3. Calibration at nominal Hz 35.....450Hz
4. Calibration at temperature other than 23°C
TECHNICAL SPECIFICATION
INPUT

Rated value In 1 or 5 Amp C.T. connected
0.5-10 Amp direct connected
Rated value Un 57.8 < 600 volt
Power consumption <1 VA voltage
<0.2 VA current
Working range 0-125% Un auxiliary powered
75-125% Un self powered
0-150% In
Rated Frequency 50 / 60 / 400 Hz
Overload continuous 4 x In 1.5 x Un
Overload for 1 sec. 50 x In 2 x Un

OUTPUT
Rated value mA 0-1/5/10/20 & 4-20mA

Rated Value Volts 0-5 / 10 & 1-5 V

ADJUSTMENT
Zero ± 2%
Span ± 10%

AUXILIARY
A.C. Voltage 115 / 230 / 400 V (± 25% / 45-65
Hz / < 2VA)
D.C. Voltage 24 / 48 / 110 V (± 20% /
galvanically isolated / <3W)

WEIGHT & CASE SIZE
M100-XA1,2,3,6,7 Approx. 0.6kg. 100mm case
M100-XA4,5 Approx. 0.8kg 100mm case

ORDERING INFORMATION
Product code I/P In Un O/P Range Aux. Freq. Opt.
M100-XA4 400/5 400 0-20mA 300kVAr 120 60Hz

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