LA55-P

Manufacturer Part NumberLA55-P
ManufacturerETC-unknow
LA55-P datasheet
 


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Current Transducer LA 55-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).
16019
Electrical data
I
Primary nominal current rms
PN
I
Primary current, measuring range
PM
R
Measuring resistance @
M
with ± 12 V
@ ± 50 A
@ ± 70 A
with ± 15 V
@ ± 50 A
@ ± 70 A
I
Secondary nominal current rms
SN
K
Conversion ratio
N
V
Supply voltage (± 5 %)
C
I
Current consumption
C
V
Rms voltage for AC isolation test, 50 Hz, 1 min
d
Accuracy - Dynamic performance data
X
Accuracy @ I
, T
= 25°C
PN
A
@ ± 12 .. 15 V (± 5 %)
Linearity error
L
I
Offset current @ I
= 0, T
= 25°C
O
P
A
I
Magnetic offset current
3)
@ I
= 0 and specified R
OM
P
after an overload of 3 x I
PN
I
Temperature variation of I
OT
O
t
Reaction time @ 10 % of I
ra
PN
t
Response time @ 90 % of I
r
PN
di/dt
di/dt accurately followed
BW
Frequency bandwidth (- 1 dB)
General data
T
Ambient operating temperature
A
T
Ambient storage temperature
S
R
Secondary coil resistance @
S
m
Mass
Standards
Notes:
1)
Measuring range limited to ± 60 A
2)
Measuring range limited to ± 55 A
3)
Result of the coercive field of the magnetic circuit.
070103/11
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
50
0 .. ± 70
T
= 70°C
T
= 85°C
A
A
R
R
R
R
M mini
M maxi
M mini
M maxi
10 100
60
95
maxi
1)
10
50
60
60
maxi
50 160
135 155
maxi
50
90
135
2)
135
maxi
50
1 : 1000
± 12 .. 15
10
(@ ± 15 V) +
2.5
@ ± 15 V (± 5 %)
± 0.65
± 0.90
< 0.15
Typ
Maxi
± 0.2
M
± 0.3
0°C .. + 70°C
± 0.1 ± 0.5
- 25°C .. + 85°C
± 0.1 ± 0.6
< 500
Step
< 1
> 200
DC .. 200
- 25 .. + 85
- 40 .. + 90
T
= 70°C
80
A
T
= 85°C
85
A
18
EN 50178: 1997
maxi
maxi
I
=
50 A
PN
Features
A
A
Closed loop (compensated) current
transducer using the Hall effect
Printed circuit board mounting
Isolated plastic case recognized
1)
according to UL 94-V0.
2)
Advantages
mA
Excellent accuracy
V
Very good linearity
I
mA
Low temperature drift
S
kV
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
%
interference
%
Current overload capability.
%
Applications
mA
AC variable speed drives and servo
mA
motor drives
mA
Static converters for DC motor drives
mA
Battery supplied applications
n s
Uninterruptible Power Supplies
µs
(UPS)
A/µs
Switched Mode Power Supplies
kHz
(SMPS)
Power supplies for welding
applications.
°C
Application Domain
°C
Industrial.
g
w w w .lem.com
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