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LA55-P_07 PDF预览

LA55-P_07

更新时间： 2024-11-01 03:50:19
品牌 Logo 应用领域
莱姆 - LEM 传感器
页数 文件大小 规格书
2页 121K
描述
Current Transducer

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中文翻译

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LA55-P_07 数据手册

 浏览型号LA55-P_07的Datasheet PDF文件第2页 
Current Transducer LA 55-P  
IPN = 50 A  
For the electronic measurement of currents : DC, AC, pulsed...,  
with a galvanic isolation between the primary circuit (high power)  
and the secondary circuit (electronic circuit).  
16019  
Electrical data  
IPN  
IPM  
RM  
Primary nominal current rms  
Primary current, measuring range  
Measuring resistance @  
50  
0 .. ± 70  
TA = 70°C  
RM miniRM maxi RM miniRM maxi  
A
A
Features  
TA = 85°C  
· Closed loop (compensated) current  
transducer using the Hall effect  
· Printed circuit board mounting  
· Isolated plastic case recognized  
according to UL 94-V0.  
with ± 12 V  
with ± 15 V  
@ ± 50 A maxi  
10 100 60 95  
10 50  
50 160 135 155  
50 90 1352) 1352)  
W
W
W
W
@ ± 70 A maxi  
@ ± 50 A maxi  
@ ± 70 A maxi  
601) 601)  
Advantages  
ISN  
KN  
VC  
IC  
Secondary nominal current rms  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption  
Rms voltage for AC isolation test, 50 Hz, 1 min  
50  
1 : 1000  
± 12 .. 15  
10(@±15 V)+IS mA  
2.5  
mA  
· Excellent accuracy  
· Very good linearity  
V
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
Vd  
kV  
Accuracy - Dynamic performance data  
X
Accuracy @ IPN , TA = 25°C  
@ ± 15 V (± 5 %)  
@ ± 12 .. 15 V (± 5 %)  
± 0.65  
± 0.90  
< 0.15  
%
%
%
· Current overload capability.  
e
Linearity error  
L
Typ Maxi  
Applications  
IO  
IOM  
Offset current @ IP = 0, TA = 25°C  
Magnetic offset current 3) @ IP = 0 and specified RM  
after an overload of 3 x IPN  
± 0.2 mA  
· AC variable speed drives and servo  
motor drives  
· Static converters for DC motor drives  
· Battery supplied applications  
· Uninterruptible Power Supplies  
(UPS)  
± 0.3 mA  
± 0.1 ± 0.5 mA  
± 0.1 ± 0.6 mA  
IOT  
Temperature variation of IO  
0°C .. + 70°C  
- 25°C .. + 85°C  
tra  
tr  
Reaction time @ 10 % of IPN  
Response time @ 90 % of IPN Step  
< 500  
< 1  
ns  
µs  
di/dt di/dt accurately followed  
BW Frequency bandwidth (- 1 dB)  
> 200  
DC .. 200  
A/µs  
kHz  
· Switched Mode Power Supplies  
(SMPS)  
· Power supplies for welding  
applications.  
General data  
TA  
TS  
RS  
Ambient operating temperature  
Ambient storage temperature  
Secondary coil resistance @  
- 25 .. + 85  
- 40 .. + 90  
80  
85  
18  
°C  
°C  
W
W
g
Application Domain  
TA = 70°C  
TA = 85°C  
· Industrial.  
m
Mass  
Standards  
EN 50178: 1997  
1)  
Notes:  
Measuring range limited to ± 60 A maxi  
Measuring range limited to ± 55 A maxi  
Result of the coercive field of the magnetic circuit.  
2)  
3)  
page1/2  
070103/11  
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.  
www.lem.com  
12

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