Current Transducer LA 200-P
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
16044
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
V
b
V
e
V
W
X
@ ± 200 A
max
@ ± 250 A
max
@ ± 200 A
max
@ ± 300 A
max
200
0 .. ± 300
T
A
= 70°C
T
A
= 85°C
R
M min
R
M max
R
M min
R
M max
0
0
0
0
30
8
60
12
0
0
0
0
26
4
56
8
A
A
Features
•
Closed loop (compensated) current
transducer using the Hall effect
•
Printed circuit board mounting
•
Insulated plastic case recognized
according to UL 94-V0.
Ω
Ω
Ω
Ω
mA
V
mA
kV
V
V
kV
kV
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
R.m.s. rated voltage,
1)
safe separation
basic isolation
R.m.s. voltage for partial discharge extinction
Impulse withstand voltage 1.2/50 µs
100
1 : 2000
± 12 .. 15
16
(@ ± 15 V) +
I
S
3
900
450
> 1.8
>8
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
Accuracy @
I
PN
,
T
A
= 25°C
L
ε
@ ± 15 V (± 5 %)
@ ± 12 .. 15 V (± 5 %)
Linearity error
Offset current @
I
P
= 0,
T
A
= 25°C
Residual current
2)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
0°C .. + 70°C
- 40°C .. + 85°C
Reaction time @ 10 % of
I
P max
Response time
3) 4)
@ 90 % of
I
P max
di/dt accurately followed
4)
Frequency bandwidth
4)
(- 1 dB)
± 0.40
± 0.65
< 0.15
Max
± 0.20
± 0.25
± 0.10 ± 0.25
± 0.15 ± 0.55
< 500
<1
> 200
DC .. 100
Typ
%
%
%
mA
mA
mA
mA
ns
µs
A/µs
kHz
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.
I
O
I
OM
I
OT
t
ra
t
r
di/dt
f
General data
T
A
T
S
R
S
m
Notes
:
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
Mass
Standards
1)
3)
T
A
= 70°C
T
A
= 85°C
- 40 .. + 85
°C
- 40 .. + 90
°C
76
Ω
80
Ω
40
g
EN 50178 : 1997
Application Domain
•
Industrial.
Pollution class 2
2)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/µs
4)
The primary conductor is best filling
the through-hole and/or the return of the primary conductor is above
the top of the transducer.
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060303/12
Page 1/2
LEM
w w w .lem.com
Dimensions LA 200-P
(in mm. 1 mm = 0.0394 inch)
Bottom view
Left view
Model + N°SP
Connection
Front view
Mechanical characteristics
•
General tolerance
± 0.2 mm
•
Primary through-hole
17 x 11 mm
•
Fastening & connection of primary 4 pins 0.63 x 0.56 mm
Recommended PCB hole
•
Supplementary fastening
Recommended PCB hole
Recommended screws
0.9 mm
2 holes
∅
1.75 mm
2.4 mm
PT KA 22 x 6
Remarks
•
I
S
is positive when
I
P
flows in the direction of the arrow.
•
Temperature of the primary conductor should not exceed
90°C.
•
Dynamic performances (di/dt and response time) are best
with a primary bar in low position in the through-hole.
•
In order to achieve the best magnetic coupling, the primary
windings have to be wound over the top edge of the device.
•
This is a standard model. For different versions (supply
voltages, turns ratios, unidirectional measurements...),
please contact us.
060303/12
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
Page 2/2
LEM
w w w .lem.com
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