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LF205-S_06 Datasheet

  • LF205-S_06

  • LEM [Current Transducer]

  • 172.07KB

  • LEM   LEM

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Current Transducer LF 205-S
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).
I
PN
=
200 A
16135
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @
with 卤 12 V
with 卤 15 V
I
SN
K
N
V
C
I
C
@ 卤 200 A
max
@ 卤 420 A
max
@ 卤 200 A
max
@ 卤 420 A
max
200
0 .. 卤 420
T
A
= 70掳C
T
A
= 85掳C
R
M min
R
M max
R
M min
R
M max
0
0
0
0
71
14
100
28
0
0
23
23
69
12
98
26
A
A
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
mA
V
mA
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capability.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (卤 5 %)
Current consumption @ 卤 15 V
100
1 : 2000
卤 12 .. 15
17 +
I
S
Accuracy - Dynamic performance data
X
G
蔚
L
Overall accuracy @
I
PN
,
T
A
= 25掳C
Linearity error
Offset current @
I
P
= 0,
T
A
= 25掳C
Residual current
1)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
- 40掳C .. + 85掳C
Reaction time @ 10 % of
I
PN
Response time
2)
@ 90 % of
I
PN
di/dt accurately followed
Frequency bandwidth (- 3 dB)
卤 0.5
< 0.1
Max
卤 0.2
卤 0.1
卤 0.12 卤 0.4
< 500
<1
> 100
DC .. 100
Typ
%
%
mA
mA
mA
ns
碌s
A/碌s
kHz
I
O
I
OM
I
O T
t
ra
t
r
di/dt
f
Applications
鈥?/div>
AC variable speed drives and servo
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
motor drives
Static converters for DC motor drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
Switched Mode Power Supplies
(SMPS)
Power supplies for welding
applications.
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70掳C
@
T
A
= 85掳C
Mass
Standards
- 40 .. + 85
掳C
- 40 .. + 90
掳C
33
鈩?/div>
35
鈩?/div>
78
g
EN 50178 : 1997
鈥?/div>
Application domain
鈥?/div>
Industry.
Notes :
1)
2)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/碌s.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060522/11
Page 1/3
LEM
w w w .lem.com

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