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
46090
Electrical data
I
PN DC
I
PN
I
PM
R
M
Primary continuous direct current (nominal)
150
A
Primary nominal current rms
106
A
Primary current, measuring range
0 .. ± 200
A
Measuring resistance
T
A
= 70°C
T
A
= 85 °C
R
M mini
R
M maxi
R
M mini
R
M maxi
@ ±15V, ± 200 A
maxi
0
30
0
15
Ω
Secondary current
75
mA
Secondary nominal current rms
53
mA
Conversion ratio
1 : 2000
Supply voltage (± 5 %)
± 15
V
Current consumption
16 +
I
S
mA
Rms voltage for AC isolation test, 50 Hz,1min
2.5
kV
Features
•
Closed loop (compensation) current
transducer using the Hall effect
•
Printed circuit board mounting
I
S
I
SN
K
N
V
C
I
C
V
d
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
Accuracy-Dynamic performance data
X
ε
L
I
OE
I
OM
I
OT
t
r
di/dt
BW
Accuracy @
I
PN DC
,
T
A
= 25°C, ± 15 V (± 5 %)
Linearity error (0 .. ±
I
PN DC
)
Electrical offset current @
I
P
= 0,
T
A
= 25°C
Magnetic offset current @
I
P
= 0 and specified
R
M
,
after an overload of 1 x
I
PN DC
Temperature variation of
I
O
Response time to 90% of
I
PN DC
step
di/dt accurately followed
Frequency bandwidth (- 1 dB)
1)
< ± 1 % of
I
PN DC
± 0.25% of
I
PN DC
< ± 0.2
mA
< ± 0.15
mA
< ± 0.005 mA
<1
µs
> 200
A/µs
DC .. 150 kHz
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
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance
Mass
Standards
- 10 .. + 80 °C
- 15 .. + 85 °C
80
Ω
25
g
EN 50178: 1997
Application Domain
•
Industrial
Notes :
1)
Derating is needed to avoid excessive core heating at high frequency.
Page 1/2
061110/7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
www.lem.com
Dimensions LA 150-P
(in mm. 1 mm = 0.0394 inch)
Bottom view
Left view
9
29.5
36
13
8.5
29.5
Terminal Pin Identification
+Vcc
0.5
M
5.1
-Vcc
22.9
28
+Vcc
-Vcc
M
RL
8.5
Output
Front view
Mechanical
General tolerance
Primary through-hole
characteristics
Fastening & connection of secongary
•
General tolerance
Recommended PCB hole
± 0.2 mm
•
Primary through-hole
13 x 8.5 mm
•
Fastening & connection of secondary
3 pins
Recommended PCB hole
0.7 x 0.7 mm
1.0 mm
+/- 0.2 mm
13 x 8.5 mm
Safety
3 pins
0.7 x 0.7 mm
1.0 mm
This transducer must be used in electric/electronic equipment
with respect to applicable standards and safety requirements
in accordance with the following manufacturer's operating
instructions.
Caution, risk of electrical shock
When operating the transducer, certain parts of the module can
carry hazardous voltage (eg. primary busbar, power supply).
Ignoring this warning can lead to injury and/or cause serious
damage.
This transducer is a built-in device, whose conducting parts
must be inaccessible after installation.
A protective housing or additional shield could be used.
Main supply must be able to be disconnected.
Page 2/2
061110/7
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
7
16
www.lem.com
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