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Datasheet > LA25-SP14_06
LA25-SP14_06 PDF预览

LA25-SP14_06

更新时间： 2024-09-16 03:50:15
品牌 Logo 应用领域
莱姆 - LEM 传感器
页数 文件大小 规格书
2页 251K
描述
Current Transducer

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中文翻译

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LA25-SP14_06 数据手册

 浏览型号LA25-SP14_06的Datasheet PDF文件第2页 
Current Transducer LA 25-NP/SP14  
IPN = 0.25 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).  
16094  
Electrical data  
IPN  
IP  
RM  
Primary nominal r.m.s. current  
Primary current, measuring range  
Measuring resistance  
0.25  
0 .. ± 0.36  
RM min  
A
A
Features  
· Closed loop (compensated) multi-  
turns current transducer using the  
Hall effect  
· Printed circuit board mounting  
· Insulated plastic case recognized  
according to UL 94-V0.  
RM max  
with ± 15 V  
@ ± 0.25 A max  
@ ± 0.36 A max  
100  
100  
320  
190  
W
W
ISN  
KN  
VC  
IC  
Vd  
Vb  
Secondary nominal r.m.s. current  
Conversion ratio  
Supply voltage (± 5 %)  
25  
mA  
100 : 1000  
± 15  
10 + IS  
2.5  
600  
1700  
V
mA  
kV  
V
Current consumption  
Special features  
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn  
R.m.s. rated voltage 1), safe separation  
basic isolation  
· IPN = 0.25 A  
· IP = 0 .. ± 0.36 A  
· KN = 100 : 1000  
· TA = - 10°C .. + 70°C.  
V
Accuracy - Dynamic performance data  
Advantages  
X
e
Typical accuracy @ IPN , TA = 25°C  
Linearity error  
± 0.5  
< 0.2  
%
%
L
· Excellent accuracy  
· Very good linearity  
Typ Max  
± 0.05 ± 0.15 mA  
IO  
IOM  
IOT  
Offset current2) @ IP = 0, TA = 25°C  
Residual current3) @ IP = 0, after an overload of 3 x IPN ± 0.05 ± 0.15 mA  
Thermal drift of IO  
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
- 10°C .. + 70°C  
± 0.10 ± 0.35 mA  
tr  
f
Response time 4) @ 90 % of IPN  
Frequency bandwidth (- 1 dB)  
< 1  
DC .. 150  
µs  
kHz  
· Current overload capability.  
General data  
Applications  
TA  
TS  
Ambient operating temperature  
Ambient storage temperature  
- 10 .. + 70  
- 25 .. + 85  
< 860  
110  
496  
°C  
°C  
mW  
W
µH  
MW  
g
· AC variable speed drives and servo  
motor drives  
· Static converters for DC motor drives  
· Battery supplied applications  
· Uninterruptible Power Supplies  
(UPS)  
RP  
RS  
L P  
RIS  
m
Primary coil resistance @ TA = 25°C  
Secondary coil resistance @ TA = 70°C  
Primary insertion inductance  
Isolation resistance @ 500 V, TA = 25°C  
Mass  
> 1500  
22  
Standards  
EN 50178 : 1997  
· Switched Mode Power Supplies  
(SMPS)  
· Power supplies for welding  
applications.  
1)  
Notes : Pollution class 2  
2)  
Measurement carried out after 15 mn functioning  
The result of the coercive field of the magnetic circuit  
With a di/dt of 100 A/µs.  
3)  
4)  
060405/4  
LEM  
www.lem.com  
12

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