Current Transducer LA 03 .. 20-PB
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
=
3 .. 20 A
Preliminary
Electrical data
Primary nominal
r.m.s. current
I
PN
(A)
3
5
10
15
20
Primary current
measuring range
I
P
(A)
鹵 4.5
鹵 7.5
鹵 15
鹵 22.5
鹵 30
Primary Conductor
Diameter
(mm)
0.5
0.5
0.65
0.8
1.0
Type
Features
鈥?/div>
Closed loop (compensation) current
transducer using the Hall effect
鈥?/div>
Voltage output
鈥?/div>
Printed circuit board mounting
LA 03-PB
LA 05-PB
LA 10-PB
LA 15-PB
LA 20-PB
V
C
I
C
V
d
R
IS
V
OUT
R
L
Supply voltage (鹵 5 %)
鹵 15
V
Current consumption
app. 20mA+
I
PN
/1200 mA
R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5
kV
Isolation resistance @ 500 VDC
> 500
M鈩?/div>
Output voltage @ 鹵
I
PN
,
R
L
= 10 k鈩?
T
A
= 25擄C
鹵4
V
Load resistance
> 10
k鈩?/div>
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capacity
Accuracy-Dynamic performance data
X
蔚
L
V
OE
V
OH
V
OT
TC
蔚
G
t
r
f
Accuracy @
I
PN
,
T
A
= 25擄C (without offset)
Linearity (0 .. 鹵
I
PN
)
Electrical offset voltage,
T
A
= 25擄C
Hysteresis offset voltage @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
V
OE
max.
Thermal drift(% of reading)
Response time @ 90% of
I
P
Frequency bandwidth (- 1dB)
1)
< 鹵 1.5 % of
I
PN
< 鹵 1 % of
I
PN
< 鹵 30
mV
< 鹵 15
mV
鹵 1
mV/K
< 0.04
%/K
<3
碌s
DC .. 150 kHz
Applications
鈥?/div>
AC variable speed drives and servo
motor drives
鈥?/div>
Static converters for DC motor drives
鈥?/div>
Battery supplied applications
鈥?/div>
Uninterruptible Power Supplies
(UPS)
鈥?/div>
Switched Mode Power Supplies
(SMPS)
鈥?/div>
Switched Mode Power Supplies
(SMPS)
鈥?/div>
Power supplies for welding
applications
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
- 10 .. + 80 擄C
- 15 .. + 85 擄C
< 12
g
Notes :
1)
EN 50178 approval pending
Derating is needed to avoid excessive core heating at high frequency.
010118/2
LEM Components
www.lem.com
LA03-PB相關(guān)型號PDF文件下載
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廠商
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英文版
Current Transducer LA 03~20-PB
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英文版
Current Transducer LA 03~20-PB
LEM [LEM]
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英文版
Current Transducer
LEM [LEM]
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英文版
Broadband Low Noise Small Signal Amp 0.3 to 18GHz
AAC
1
2
