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Current Transducers CT 0.1 .. 0.4-P
I PN
= ± 100..400 mA
For the electronic measurement of small currents: AC,DC, mixed,
with a galvanic isolation between the primary circuit and the
secondary circuit.
Electrical data
V OUT = ± 5 V
Primary nominal
Primary current,
Type
RoHS since
current rms
I PN (mA)
measuring range
I PM (mA)
date code
Features
100
200
400
V C
I C
R IS
V OUT
R OUT
R L
C L
± 200 CT 0.1-P
± 400 CT 0.2-P
± 800 CT 0.4-P
Supply voltage (± 5 %)
Current consumption
Isolation resistance @ 500 VDC
Output voltage (Analog) @ ± I PN, R L = 10k ? , T A =25°C
Output internal resistance
Load resistance
Capacitive loading
± 15
± 45
> 500
±5
< 51
≥ 10
≤ 5
46129
46054
46234
V
mA
M ?
V
?
k ?
nF
? DC & AC earth leakage current
transducer using a flux-gate
principle
? PCB mounting
? ± 15V power supply
? ± 5V output @ I PN
? Isolated plastic case recognized
according to UL94-V0.
Accuracy-Dynamic performance data
Advantages
ε
X
L
TCV OUT
V OE
V OH
TCV OE
Accuracy (excluding offset) @ I PN, T A = 25°C, R L = 10k ?
Linearity error (0 .. ± I PN )
Temperature coefficient of V OUT (of reading)
Electrical offset voltage @ I P = 0, T A = 25°C
Hysteresis offset voltage
@ I P = 0; after an excursion of 1 x I PN
@ I P = 0; after an excursion of 100 x I PN
Temperature coefficient of V OE @ -20..+85°C CT 0.1-P
CT 0.2-P
CT 0.4-P
<±1 %of I PN
< ± 0.5 %of I PN
< ± 0.05 %/K
< ± 100 mV
<±2 mV
< ± 20 mV
<±8 mV/K
<±4 mV/K
<±2 mV/K
? Small size
? Bandwidth :
DC and 40 up to 7..18 kHz
? Response time better than 60 ms
? Cost effective, compact
alternative to classical RCDs
(Residual Current Device)
Applications
t r Response time to 80% of I PN step
BW Frequency bandwidth (- 3 dB)
General data
T A Ambient operating temperature
T S Ambient storage temperature
dCp Creepage distance
dCl Clearance distance
CTI Comparative tracking index (Group IIIa)
m Mass
Standards
90% of I PN step
CT 0.1-P
CT 0.2-P
CT 0.4-P
≤ 20 ms
≤ 60 ms
DC 40..7000Hz
DC 40..11000Hz
DC 40..18000Hz
- 20 .. + 85 °C
- 25 .. + 85 °C
> 5.5 mm
> 5.5 mm
> 220
25 g
EN 50178: 1997
? Earth leakage detection in
transformerless solar inverters
? 1st human contact protection of
PV arrays
? Failure detection in power sources
? Symmetrical fault detection
(e.g. after motor inverter)
? Current leakage detection in
stacked DC sources
? Single phase or three phase
differential current measurement up
to ± 30A per wire (DC or AC)
Notes : Performance data are given for steady phase of the transducer.
Transitory period after power on lasts typically less than 2 min.
Please refer to characterization report for details.
Please don't put the high voltage between the secondary pins and fixing
pins. If it must be so, don't exceed the 2.5 kV between these pins with the
maximum isolation distance.
Application domain
? Industrial
copyright protected
Page 1/3
080909/14
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
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