LA55-P ETC-unknow, LA55-P Datasheet

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LA55-P

Manufacturer Part Number
LA55-P
Description
Manufacturer
ETC-unknow
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).
I
I
R
I
K
V
I
V
X
I
I
I
t
t
di/dt
BW
T
T
R
m
Notes:
070103/11
OM
PN
PM
SN
C
O
OT
ra
r
A
S
C
d
M
N
L
S
Electrical data
Accuracy - Dynamic performance data
General data
Primary nominal current rms
Primary current, measuring range
Measuring resistance @
Secondary nominal current rms
Conversion ratio
Supply voltage (± 5 %)
Current consumption
Rms voltage for AC isolation test, 50 Hz, 1 min
Accuracy @ I
Linearity error
Offset current @ I
Magnetic offset current
after an overload of 3 x I
Temperature variation of I
Reaction time @ 10 % of I
Response time @ 90 % of I
di/dt accurately followed
Frequency bandwidth (- 1 dB)
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
Mass
Standards
1)
2)
3)
Measuring range limited to ± 60 A
Measuring range limited to ± 55 A
Result of the coercive field of the magnetic circuit.
with ± 12 V
with ± 15 V
PN
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
, T
P
A
= 0, T
= 25°C
3)
PN
A
@ I
16019
= 25°C
O
PN
@ ± 50 A
@ ± 70 A
@ ± 50 A
@ ± 70 A
PN
P
@ ± 12 .. 15 V (± 5 %)
= 0 and specified R
Step
@ ± 15 V (± 5 %)
- 25°C .. + 85°C
maxi
maxi
maxi
maxi
maxi
maxi
0°C .. + 70°C
T
T
A
A
= 70°C
= 85°C
R
T
10 100
10
50 160
50
M mini
M
A
= 70°C
R
50
90
M maxi
50
0 .. ± 70
50
1 : 1000
± 12 .. 15
10
2.5
± 0.65
± 0.90
< 0.15
< 500
< 1
> 200
DC .. 200
- 25 .. + 85
- 40 .. + 90
80
85
18
EN 50178: 1997
± 0.1 ± 0.5
± 0.1 ± 0.6
Typ
(@ ± 15 V) +
R
135
135 155
60
60
M mini
T
A
1)
Maxi
± 0.2
± 0.3
2)
= 85°C
R
135
95
M maxi
60
I
1)
S
2)
A/µs
kHz
mA
mA
mA
mA
mA
mA
kV
n s
µs
°C
°C
%
%
%
A
A
V
g
I
Features
Advantages
Applications
Application Domain
PN
Closed loop (compensated) current
transducer using the Hall effect
Printed circuit board mounting
Isolated plastic case recognized
according to UL 94-V0.
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.
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.
Industrial.
=
50 A
w w w .lem.com
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LA55-P Summary of contents

Page 1

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 ...

Page 2

Dimensions LA 55-P (in mm 0.0394 inch) Bottom view Front view Mechanical characteristics General tolerance Primary through-hole Fastening & connection of secondary Recommended PCB hole Remarks I is positive when I flows in the direction of the ...

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