LA03-PB [LEM]
Current Transducer LA 03~20-PB; 电流传感器LA 03 〜 20 PB
| 型号： | LA03-PB |
| 厂家： | 
LEM |
| 描述： | Current Transducer LA 03~20-PB |
| 文件： | 总2页 (文件大小：27K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Current Transducer LA 03 .. 20-PB
IPN = 3 .. 20 A
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).
Preliminary
Electrical data
Features
Primary nominal
r.m.s. current
Primary current
measuring range
IP (A)
Primary Conductor
Diameter
(mm)
Type
· Closed loop (compensation) current
transducer using the Hall effect
· Voltage output
IPN (A)
3
5
10
15
20
± 4.5
± 7.5
± 15
± 22.5
± 30
0.5
0.5
0.65
0.8
1.0
LA 03-PB
LA 05-PB
LA 10-PB
LA 15-PB
LA 20-PB
· Printed circuit board mounting
VC
IC
Supply voltage (± 5 %)
Current consumption
± 15
V
Advantages
app. 20mA+ IPN/1200 mA
Vd
R.m.s. voltage for AC isolation test, 50/60Hz,1mn 2.5
kV
MW
V
· Excellent accuracy
· Very good linearity
RIS
VOUT
RL
Isolation resistance @ 500 VDC
Output voltage @ ± IPN, RL = 10 kW, TA = 25°C
Load resistance
> 500
± 4
> 10
· Low temperature drift
· Optimized response time
· Wide frequency bandwidth
· No insertion losses
· High immunity to external
interference
kW
Accuracy-Dynamic performance data
· Current overload capacity
X
Accuracy @ IPN, TA = 25°C (without offset)
Linearity (0 .. ± IPN)
< ± 1.5 % of IPN
< ± 1 % of IPN
e
L
VOE
VOH
Electrical offset voltage, TA = 25°C
Hysteresis offset voltage @ IP = 0;
after an excursion of 1 x IPN
< ± 30
mV
Applications
< ± 15
± 1
mV
mV/K
%/K
· AC variable speed drives and servo
motor drives
· Static converters for DC motor drives
· Battery supplied applications
· Uninterruptible Power Supplies
(UPS)
VOT
Thermal drift of VOE
max.
TCe
Thermal drift(% of reading)
< 0.04
G
t r
f
Response time @ 90% of IP
Frequency bandwidth (- 1dB)1)
< 3
µs
DC .. 150 kHz
· Switched Mode Power Supplies
(SMPS)
General data
TA
TS
m
Ambient operating temperature
Ambient storage temperature
Mass
- 10 .. + 80 °C
- 15 .. + 85 °C
· Switched Mode Power Supplies
(SMPS)
· Power supplies for welding
applications
< 12
g
Notes :
EN 50178 approval pending
1) Derating is needed to avoid excessive core heating at high frequency.
010118/2
LEM Components
www.lem.com
LA 03 ... 20-PB
Front View
Right View
19 +/-1
15 +/-1
2
4 3 2 1
Primary Conductor
Bottom View
See the attached table
6 +/-1
6
5
4-0.5*0.25
Signal Pins
3-p=2.54
Terminal Pin Identification
Primary Conductor
Direction of Current Flow
Signal Pins
Part No.
Diameter
5 (+)
6 (-)
1
2
3
4
-Vcc
0V
PB
LA 03-
LA 05-PB
PB
0.5 d
0.5 d
0.65 d
0.8 d
1.0 d
LA 10-
+Vcc
Output
LA 15-PB
LA 20-PB
UNIT : mm
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without previous notice.
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