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LA200P Datasheet, PDF (1/2 Pages) LEM – CURRENT TRANSDUCER | |||
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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).
IPN = 200 A
Electrical data
I PN Primary nominal r.m.s. current
I
Primary current, measuring range
P
RM Measuring resistance @
200
A
0 .. ± 300
A
TA = 70°C TA = 85°C
RR RR
M min M max M min M max
with ± 12 V
with ± 15 V
@ ± 200 A
max
@ ± 250 A max
@ ± 200 A
max
@ ± 300 A max
0 30 0 26 â¦
08 04 â¦
0 60 0 56 â¦
0 12 0 8 â¦
I SN Secondary nominal r.m.s. current
K N Conversion ratio
VC Supply voltage (± 5 %)
IC
Current consumption
Vd
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
100
mA
1 : 2000
± 12 .. 15
V
16 (@ ± 15 V) + IS mA
3
kV
Accuracy - Dynamic performance data
X
Accuracy @ I , T = 25°C
@ ± 15 V (± 5 %) ± 0.40
%
PN A
@ ± 12 .. 15 V (± 5 %) ± 0.65
%
εL
Linearity
< 0.15
%
Typ Max
I
Offset current @ I = 0, T = 25°C
O
P
A
± 0.20 mA
IOM Residual current 1) @ IP = 0, after an overload of 3 x IPN
± 0.25 mA
I
Thermal drift of I
OT
O
0°C .. + 70°C ± 0.10 ± 0.25 mA
- 25°C .. + 85°C ± 0.10 ± 0.30 mA
t ra
t
r
di/dt
f
Reaction time @ 10 % of IP max
Response time 2) 3) @ 90 % of I
P max
di/dt accurately followed 3)
Frequency bandwidth 3) (- 1 dB)
< 500
<1
> 200
DC .. 100
ns
µs
A/µs
kHz
General data
T
Ambient operating temperature
A
TS
Ambient storage temperature
R
Secondary coil resistance @
S
m
Mass
Standards 4)
- 25 .. + 85
°C
- 40 .. + 90
°C
T = 70°C 76
A
â¦
TA = 85°C 80
â¦
40
g
EN 50178
Features
â¢Closed loop (compensated) current
transducer using the Hall effect
â¢Printed circuit board mounting
â¢Insulated plastic case recognized
according to UL 94-V0.
Advantages
â¢Excellent accuracy
â¢Very good linearity
â¢Low temperature drift
â¢Optimized response time
â¢Wide frequency bandwidth
â¢No insertion losses
â¢High immunity to external
interference
â¢Current overload capability.
Applications
â¢AC variable speed drives and servo
motor drives
â¢Static converters for DC motor drives
â¢Battery supplied applications
â¢Uninterruptible Power Supplies
(UPS)
â¢Switched Mode Power Supplies
(SMPS)
â¢Power supplies for welding
applications.
Notes : 1) The result of the coercive field of the magnetic circuit
2) With a di/dt of 100 A/µs
3) The primary conductor is best filling the through-hole and/or the return
of the primary conductor is above the top of the transducer
4) A list of corresponding tests is available
980716/6
LEM Components
w w w .lem.com
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