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Current Transducer LF 1005-S
I PN
=
1000 A
For the electronic measurement of currents: DC, AC, pulsed...,
with a galvanic isolation between the primary circuit (high power)
and the secondary circuit (electronic circuit).
16110
Electrical data
I PN
I PM
R M
Primary nominal current rms
Primary current, measuring range @ ± 24 V
Measuring resistance @
1000
0 .. ± 1500
T A = 70°C T A = 85°C
A
A
Features
? Closed loop (compensated) current
with ± 15 V
with ± 24 V
@ ± 1000 A max
@ ± 1200 A max
@ ± 1000 A max
@ ± 1500 A max
R M min R M max R M min R M max
0 18 0 15
0 7 0 4
5 60.5 10 57.5
5 24 10 21
?
?
?
?
transducer using the Hall effect
? Isolated plastic case recognized
according to UL 94-V0.
Advantages
I SN
K N
V C
I C
Secondary nominal current rms
Conversion ratio
Supply voltage (± 5 %)
Current consumption (± 1 mA)
Accuracy - Dynamic performance data
200 mA
1 : 5000
± 15 .. 24 V
28 (@ ± 24 V) + I S mA
?
?
?
?
?
?
?
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
ε
X
L
Accuracy @ I PN , T A = 25°C
Linearity error
± 0.4
< 0.1
%
%
interference
? Current overload capability.
Temperature variation of I O
I O
I OM
I OT
t r
Offset current @ I P = 0, T A = 25°C
Magnetic offset current @ I P = 0 and specified R M ,
after an overload of 3 x I PN
- 10°C .. + 85°C
- 40°C .. - 10°C
Response time 1) to 90 % of I PN step
Typ
± 0.3
<1
Max
± 0.4
± 0.2
± 0.5
± 0.8
mA
mA
mA
mA
μs
Applications
? AC variable speed drives and servo
motor drives
? Static converters for DC motor drives
? Battery supplied applications
? Uninterruptible Power Supplies
di/dt
BW
di/dt accurately followed
Frequency bandwidth (- 1 dB)
> 100
DC .. 150
A/μs
kHz
(UPS)
? Switched Mode Power Supplies
General data
(SMPS)
? Power supplies for welding
applications.
T A
T S
R S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
Mass
T A = 70°C
T A = 85°C
- 40 .. + 85
- 45 .. + 100
48
51
550
°C
°C
?
?
g
Application Domain
? Industrial.
Standards
EN 50178: 1997
Note :
1)
With a di/dt of 100 A/μs.
page 1/3
080715/9
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
w w w .lem.com
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