Electrical data
I
PN
Primary nominal current
150 A
I
P
Primary current, measuring range
0 .. 200 A
R
M
Measuring resistance
T
A
= 70C
T
A
= 85C
R
M min
R
M max
R
M min
R
M max
with 15V @ 200
A
max
0 30
0 15
I
SN
Secondary nominal current
75 mA
K
N
Conversion ratio
1 : 2000
V
C
Supply voltage ( 5 %)
15 V
I
C
Current consumption app 16 +
I
SN
mA
V
d
R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5 kV
Accuracy-Dynamic performance data
X
Accuracy @
I
PN
,
T
A
= 25C @ 15V ( 5 %)
< 1
% of
I
PN
L
Linearity (0 ..
I
PN
)
0.25
% of
I
PN
I
O
Electrical offset current @
I
P
= 0,
@T
A
= 25C Max. 0.2
mA
I
om
Residual current @
I
P
= 0,
after an excursion at 1x
I
PN
Max. 0.15
mA
I
OT
Thermal drift of
I
O
0.005
mA/K
t
r
Response time @ 90% of
I
P
<1
s
di/dt
di/dt accurately followed
> 200
A/s
f
Frequency bandwidth (- 1dB)
1)
DC .. 150 kHz
General data
T
A
Ambient operating temperature
- 10 .. + 80 C
T
S
Ambient storage temperature
- 15 .. + 85 C
R
S
Secondary coil resistance
80
m
Mass
25 g
Current Transducer LA 150-P
For the electronic measurement of currents: DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit (high power) and
the secondary circuit (electronic circuit).
I
PN
= 150 A
Features
Closed loop (compensation) current
transducer using the Hall effect
Printed circuit board mounting
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 capacity
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
LEM Components
www.lem.com
010118/2
Preliminary
Notes :
EN 50178 approval pending
1)
Derating is needed to avoid excessive core heating at high frequency.
LA 150-P
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
13
36
0.5
9
7
16
5.1
22.9
28
+Vcc
-Vcc
M
RL
Output
-Vcc
M
+Vcc
8.5
8.5
29.5
29.5
Terminal Pin Identification
Front view
Bottom view
Left view
General tolerance
Primary through-hole
Fastening & connection of secongary
Recommended PCB hole
+/- 0.2 mm
13 x 8.5 mm
3 pins
0.7 x 0.7 mm
1.0 mm
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