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LA200P Datasheet(PDF) 1 Page - LEM

Part # LA200P
Description  CURRENT TRANSDUCER
PDF  2 Pages
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Manufacturer  LEM [LEM]
Direct Link  http://www.lem.co.jp/HQ/en
Logo LEM - LEM

LA200P Datasheet(HTML) 1 Page - LEM

  LA200P Datasheet HTML 1Page - LEM LA200P Datasheet HTML 2Page - LEM  
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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).
Electrical data
I
PN
Primary nominal r.m.s. current
200
A
I
P
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 r.m.s. current
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
V
d
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
3
kV
Accuracy - Dynamic performance data
X
Accuracy @ I
PN , TA = 25°C
@ ± 15 V (± 5 %)
± 0.40
%
@ ± 12 .. 15 V (± 5 %)
± 0.65
%
ε
L
Linearity
< 0.15
%
Typ
Max
I
O
Offset current @ I
P = 0, TA = 25°C
± 0.20
mA
I
OM
Residual current 1) @ I
P = 0, after an overload of 3 x IPN
± 0.25
mA
I
OT
Thermal drift of I
O
0°C .. + 70°C
± 0.10 ± 0.25
mA
- 25°C .. + 85°C
± 0.10 ± 0.30
mA
t
ra
Reaction time @ 10 % of I
P max
< 500
n s
t
r
Response time 2) 3) @ 90 % of I
P max
< 1
µs
di/dt
di/dt accurately followed 3)
> 200
A/µs
f
Frequency bandwidth 3) (- 1 dB)
DC .. 100
kHz
General data
T
A
Ambient operating temperature
- 25 .. + 85
°C
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 4)
EN 50178
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
Features
•Closed loop (compensated) current
transducer using the Hall effect
•Printed circuit board mounting
•Insulated 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.
I
PN
=
200 A
980716/6
LEM Components
ww w .lem.com


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