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LA50-SP1 Fiches technique(PDF) 1 Page - LEM

No de pièce LA50-SP1
Description  Current Transducer
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Fabricant  LEM [LEM]
Site Internet  http://www.lem.co.jp/HQ/en
Logo LEM - LEM

LA50-SP1 Fiches technique(HTML) 1 Page - LEM

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LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
060911/7
Current Transducer LA 50-S/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).
Electrical data
I
PN
Primary nominal r.m.s. current
50
A
I
P
Primary current, measuring range
0 .. ± 100
A
R
M
Measuring resistance
R
M min
R
Mmax
with ± 15 V
@ ±
50 A
max
0
330
@ ± 100 A
max
0
100
I
SN
Secondary nominal r.m.s. current
25
mA
K
N
Conversion ratio
1 : 2000
V
C
Supply voltage (± 5 %)
± 15
V
I
C
Current consumption
10 + I
S
mA
Accuracy - Dynamic performance data
X
G
Overall accuracy @ I
PN, TA = 25°C
± 0.5
%
ε
L
Linearity error
< 0.1
%
Typ
Max
I
O
Offset current @ I
P = 0, TA = 25°C
± 0.1
mA
I
OT
Thermal drift of I
O
- 10°C .. + 70°C
± 0.2
± 0.4
mA
t
r
Response time 1) @ 90 % of I
PN
< 1
µs
di/dt
di/dt accurately followed
> 50
A/µ s
f
Frequency bandwidth (- 1 dB)
DC .. 150
kHz
General data
T
A
Ambient operating temperature
- 10 .. + 70
°C
T
S
Ambient storage temperature
- 25 .. + 85
°C
R
S
Secondary coil resistance @ T
A = 70°C
130
m
Mass
45
g
Standards
EN 50178 : 1997
Note :
1) With a di/dt of 50 A/µs.
Features
Closed loop (compensated) current
transducer using the Hall effect
Insulated plastic case recognized
according to UL 94-V0.
Special features
I
P
= 0 .. ± 100 A
K
N
= 1 : 2000
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.
I
PN
=
50 A
0634


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