Technical Specifications
CT PCB Series User’s Manual
18
3.
Technical Specifications
Technical specifications for
<
CT-13, CT-26 and CT-52 current transducers
(both current and voltage output versions) are herein presented.
Technical Specifications
CT-13
CT-26
CT-52
Current Transformation
Ratio - N
1:250
1:500
1:1000
Maximum DC Primary
Current - I
P(DC)
±13 A
±26 A
±52 A
Maximum RMS Primary
Current - I
P(RMS)
9.2 A
18.4 A
36.8 A
Current Polarity
Bipolar
Maximum DC Secondary
Current - I
S(DC)
±52mA
Maximum RMS Secondary
Current - I
S(RMS)
37 mA
External Shunt Resistor
Value - R
S
0…40 Ω
Small Signal Bandwidth
(±3 dB)
–
typ. BW
500 kHz
200 kHz ("V"-version)
Equivalent Input Noise
(@Bandwidth)
*
< 1 ppm/FS @ 200Hz
< 10 ppm/FS @ 50 kHz
Output Voltage
("V"-version) - V
OUT
±10.4 V
Output Voltage Gain
("V"-version) - V
OUT
/I
P(DC)
0.8 V/A
0.4 V/A
0.2 V/A
Maximum Output Current
("V"-version)
±15 mA
Temperature Coefficient -
TC
< 0.5 ppm/°C
typ. < 2 ppm/°C ("V"-version)
Non-Linearity
< 5 ppm
< 15 ppm ("V"-version)
Induction into Primary
(0-100 kHz) typ.
140 µV (RMS)
400 µV (RMS, LP
model)
70 µV (RMS)
35 µV (RMS)
Offset
*
< 250 ppm / FS
< 10 ppm / FS (with factory calibration)
Protection Signal
OK Status
Supply Voltage (± 6%)
±15 V
Current Consumption
50 mA + I
S
