Current Transducer
Current Transducer LF 505-S/SP27
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic separati...
Description
Current Transducer LF 505-S/SP27
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic separation between the primary circuit and the secondary
circuit.
dCl
dCp
IPN = 500 A
Electrical data
IPN
Primary nominal rms current
IPM
Primary current, measuring range
RM
Measuring resistance
with ±24 V
@ ±500 A max
@ ±1480 A max
ISN
Secondary nominal rms current
KN
Conversion ratio
UC
Supply voltage (±5 %)
IC
Current consumption
IP
Accuracy - Dynamic performance data
500
A
0 … ±1480
A
R R M min
M max
0
148.5
Ω
0
2.5
Ω
100
mA
1 : 5000
±24
V
33 + IS
mA
IS
RM
X
Accuracy
@ IPN, TA = 25 °C
±0.6
@ IPN, TA = −10 °C … +70 °C ±0.9
εL
Linearity error
< 0.1
Typ Max
IO
Offset current @ IP = 0, TA = 25 °C
±0.4
IOM
Magnetic offset current @ IP = 0, and specified RM,
after an overload of 3 × IPN
±0.2
IOT
Temperature variation of IO
−10 °C … +70 °C ±0.1 ±0.3
−40 °C … −10 °C ±0.3 ±0.8
tr
Step response time 1) to 90 % of IPN
di/dt di/dt accurately followed
< 1 > 200
BW Frequency bandwidth (−1 dB)
DC … 100
% % %
mA
mA mA mA µs A/µs kHz
General data
TA
Ambient operating temperature
−40 … +70
°C
TS
Ambient storage temperature
−40 … +85
°C
RS
Resistance of secondary winding @ TA = 70 °C
68
Ω
m
Mass
230
g
Standards
EN 50178: 1997
IEC 61800-5-1
UL 508: 200
Note: 1) With a di/dt of 100 A/µs.
Features
●● Clo...
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