Datasheet
LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice.
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090508/15
I
PN
= 200 A
Features
Closed loop (compensated) ●
current transducer using the Hall
effect
Printed circuit board mounting ●
Isolated plastic case recognized ●
according to UL 94-V0.
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. ●
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.
Application domain
Industrial. ●
Current Transducer LA 200-P
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic isolation between the primary circuit (high power) and
the secondary circuit (electronic circuit).
Electrical data
I
PN
Primary nominal current rms 200 A
I
PM
Primary current, measuring range 0 .. ± 300 A
R
M
Measuring resistance @ T
A
= 70°C T
A
= 85°C
R
M min
R
M max
R
M min
R
M max
with ± 12 V @ ± 200 A
max
0 30 0 26 Ω
@ ± 250 A
max
0 8 0 4 Ω
with ± 15 V @ ± 200 A
max
0 60 0 56 Ω
@ ± 300 A
max
0 12 0 8 Ω
I
SN
Secondary nominal current rms 100 mA
K
N
Conversion ratio 1 : 2000
V
C
Supply voltage (± 5 %) ± 12 .. 15 V
I
C
Current consumption 16 (@ ± 15 V) + I
S
mA
X Accuracy @ I
PN
, T
A
= 25°C @ ± 15 V (± 5 %) ± 0.40 %
Accuracy - Dynamic performance data
@ ± 12 .. 15 V (± 5 %) ± 0.65 %
ε
L
Linearity error < 0.15 %
Typ Max
I
O
Offset current @ I
P
= 0, T
A
= 25°C ± 0.20 mA
I
OM
Magnetic offset current
1)
@ I
P
= 0 and specied R
M
,
after an overload of 3 x I
PN
± 0.25 mA
I
OT
Temperature variation of I
O
0°C .. + 70°C ± 0.10 ± 0.25 mA
- 40°C .. + 85°C ± 0.15 ± 0.55 mA
t
ra
Reaction time to 10 % of I
PN
step < 500 ns
t
r
Response time
2)
3)
to 90 % of I
PN
step < 1 µs
di/dt di/dt accurately followed
3)
> 200 A/µs
BW Frequency bandwidth (- 1 dB) DC .. 100 kHz
T
A
Ambient operating temperature - 40 .. + 85 °C
General data
T
S
Ambient storage temperature - 40 .. + 90 °C
R
S
Secondary coil resistance @ T
A
= 70°C 76 Ω
T
A
= 85°C 80 Ω
m Mass 40 g
Standards EN 50178: 1997
Notes:
1)
The result of the coercive eld of the magnetic circuit
2)
With a di/dt of 100 A/µs
3)
The primary conductor is best lling the through-hole and/or the return of
the primary conductor is above the top of the transducer.
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