Datasheet

LEM reserves the right to carry out modications on its transducers, in order to improve them, without prior notice.
www.lem.com
Page 1/3
090616/8
I
PN
= 100 A
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.
Application domain
Industrial.
Current Transducer LA 100-TP
For the electronic measurement of currents: DC, AC, pulsed...,
with galvanic isolation between the primary circuit (high power) and
the secondary circuit (electronic circuit).
Electrical data
I
PN
Primary nominal current rms 100 A
I
PM
Primary current, measuring range 0 .. ± 150 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 @ ± 100 A
max
0 50 0 42
@ ± 120 A
max
0 22 0 14
with ± 15 V @ ± 100 A
max
0 110 20 102
@ ± 150 A
max
0 33 20 25
I
SN
Secondary nominal current rms 50 mA
K
N
Conversion ratio 1 : 2000
V
C
Supply voltage (± 5 %) ± 12 .. 15 V
I
C
Current consumption 10 (@ ± 15 V) + I
S
mA
X Accuracy @ I
PN
, T
A
= 25°C @ ± 15 V (± 5 %) ± 0.45 %
Accuracy - Dynamic performance data
@ ± 12 .. 15 V (± 5 %) ± 0.70 %
ε
L
Linearity error < 0.15 %
Typ Max
I
O
Offset current @ I
P
= 0, T
A
= 25°C ± 0.10 mA
I
OM
Magnetic offset current
1)
@ I
P
= 0 and specied R
M
,
after an overload of 3 x I
PN
± 0.15 mA
I
OT
Temperature variation of I
O
- 25°C .. + 85°C ± 0.05 ± 0.30 mA
- 40°C .. - 25°C ± 0.10 ± 0.50 mA
t
ra
Reaction time to 10 % of I
PN
step < 500 ns
t
r
Response time
2)
to 90 % of I
PN
step < 1 µs
di/dt di/dt accurately followed > 200 A/µs
BW Frequency bandwidth (- 1 dB) DC .. 200 kHz
T
A
Ambient operating temperature - 40 .. + 85 °C
General data
T
S
Ambient storage temperature - 40 .. + 90 °C
R
S
Secondary coil resistance @ T
A
= 70°C 120
 @ T
A
= 85°C 128
m Mass 24 g
Standards
3)
EN 50178
Notes:
1)
Result of the coercive eld of the magnetic circuit
2)
With a di/dt of 100 A/µs
3)
A list of corresponding tests is available.
16045

Summary of content (3 pages)