3-Phase AC Voltage Transmitter
PANEL MOUNT RUGGED CONDITION, AVERAGE SENSING
The CR4730 Series, AC Voltage Transmitters are
expanded scale instruments designed to accurately
measure three-phase AC voltages. Each model pro-
duces three discrete 4-20 mA DC signals which are
proportional to each three-phase AC voltage.
Applications
? Sense phase loss
? Use in power calculations and applications
? Use in feed-forward motor drive controls
E154235
CR4730
CR4731
Features
Internet Resources http://www.crmagnetics.com/
? Permanently calibrated and sealed for rugged
environments
? Fully isolated outputs and inputs
Pricing: pricing/4730.html
Application Sheet: pdf/ancr4730-1.pdf
? Expanded scale allows more accurate monitoring
of small variances
? Available in line-to-line and line-to-neutral models
Scaling
PART
NOMINAL
INPUT
INPUT
TRANSFER
NUMBERS
CR4730-120
APPLICATION
Line-to-line
VOLTAGE
RANGE
120 V
VOLTAGE
RANGE
90 V to 150 V
BURDEN
(MAX)
0.1 VA @ 240 V
FUNCTION
I LOOP MA DC =
E IN - 75
3.75
CR4730-480
(Dual Range)
CR4731-120
CR4731-277
Line-to-line
Line-to-neutral
Line-to-neutral
240 V
480 V
120 V
277 V
180 V to 300 V 0.1 VA @ 265 V
360 V to 600 V 0.1 VA @ 530 V
90 V to 150 V 0.1 VA @ 150 V
180 V to 300 V 0.1 VA @ 300 V
E IN - 150
7.5
E IN - 300
15
E IN - 75
3.75
E IN - 150
7.5
E IN = Volts RMS
Part Numbers
CR4730-120
CR4730-480
CR4731-120
CR4731-277
3
3
3
3
Phase,
Phase,
Phase,
Phase,
3
3
4
4
Wire,
Wire,
Wire,
Wire,
Line to Line, 120 Vac Nominal
Line to Line, 240/480 Vac Nominal, Dual Range
Line-to-Neutral, 120 Vac Nominal
Line-to-Neutral, 277 Vac Nominal
24
transducer03a
相关PDF资料
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