Current Transducer LF 205-P/SP1
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
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @
with ± 12 V
with ± 15 V
I
SN
K
N
V
C
I
C
V
d
@ ± 200 A
max
@ ± 420 A
max
@ ± 200 A
max
@ ± 420 A
max
200
0 .. ± 420
T
A
= 70°C
T
A
= 85°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
•
Closed loop (compensated) current
transducer using the Hall effect
•
Insulated plastic case recognized
according to UL 94-V0.
Ω
Ω
Ω
Ω
mA
V
mA
kV
Special features
•
Mounting clips molded into the
transducer housing, attach to printed
circuit boards 1.6mm thick.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption @ ± 15V
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
100
1 : 2000
± 12 .. 15
17 +
I
S
3.5
Advantages
•
•
•
•
•
•
•
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
•
Current overload capability.
Accuracy - Dynamic performance data
X
G
ε
L
Overall accuracy @
I
PN
,
T
A
= 25°C
Linearity
Offset current @
I
P
= 0,
T
A
= 25°C
Residual current
1)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
- 40°C .. + 85°C
Reaction time @ 10 % of
I
P max
Response time
2)
@ 90 % of
I
P max
di/dt accurately followed
Frequency bandwidth (- 3 dB)
± 0.5
< 0.1
Max
± 0.2
± 0.1
± 0.12 ± 0.4
< 500
<1
> 100
DC .. 100
Typ
%
%
mA
mA
mA
ns
µs
A/µs
kHz
I
O
I
OM
I
OT
t
ra
t
r
di/dt
f
Applications
•
AC variable speed drives and servo
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°C
@
T
A
= 85°C
Mass
Standards
3)
- 40 .. + 85
- 40 .. + 90
33
35
58
EN 50178
°C
°C
Ω
Ω
g
•
•
•
•
•
Notes :
1)
2)
3)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/µs
A list of corresponding tests is available.
011120/2
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