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LAH50-P

更新时间： 2024-10-18 22:31:35
品牌 Logo 应用领域
莱姆 - LEM 传感器
页数 文件大小 规格书
2页 221K
描述
Current Transducer LAH 50-P

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中文翻译

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LAH50-P 数据手册

 浏览型号LAH50-P的Datasheet PDF文件第2页 
Current Transducer LAH 50-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).  
Electrical data  
IPN  
IP  
RM  
Primary nominal r.m.s. current  
Primary current, measuring range  
Measuring resistance @  
50  
0 .. 110  
TA = 70°C  
RM min RMmax RM min RMmax  
A
A
Features  
1)  
TA = 85°C  
· Closed loop (compensated) current  
transducer using the Hall effect  
· Printed circuit board mounting  
· Insulated plastic case recognized  
according to UL 94-V0.  
with ± 12 V  
with ± 15 V  
@ IPN [± A DC  
@ IPN [A RMS  
@ IPN [± A DC  
]
0
0
0
0
221  
115  
335  
195  
0
0
0
0
214  
108  
327  
188  
W
W
W
W
2)  
]
]
2)  
@ IPN [A RMS  
]
Advantages  
ISN  
KN  
VC  
IC  
Vd  
Ve  
Vw  
Secondary nominal r.m.s. current  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption  
R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn  
R.m.s. voltage for partial discharge extinction @ 10 pC > 2  
25  
1 : 2000  
± 12 .. 15  
10 (@ ± 15V) + IS mA  
mA  
· Excellent accuracy  
· Very good linearity  
V
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
5
kV  
kV  
kV  
Impulse withstand voltage 1.2/50 µs  
> 12  
Accuracy - Dynamic performance data  
X
Accuracy3) @ IPN, TA = 25°C  
Linearity  
± 0.25  
< 0.15  
%
%
· Current overload capability.  
e
L
Typ Max  
Applications  
IO  
Offset current @ TA = 25°C  
± 0.15 mA  
IOM  
IOT  
Residual current@ IP = 0, after an overload of 5 x IPN ± 0.10 ± 0.15 mA  
· 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.  
Thermal drift of IO  
0°C .. + 70°C  
- 25°C .. + 85°C  
± 0.10 ± 0.30 mA  
± 0.10 ± 0.40 mA  
tr a  
tr  
Reaction time @ 10 % of IPN  
Response time 4) @ 90 % of IPN  
< 200  
< 500  
ns  
ns  
di/dt di/dt accurately followed  
f
> 200  
DC .. 200  
A/µs  
kHz  
Frequency bandwidth (- 1 dB)  
General data  
TA  
TS  
RS  
Ambient operating temperature  
Ambient storage temperature  
Secondary coil resistance  
- 25 .. + 85  
- 40 .. + 90  
135  
142  
°C  
°C  
W
@ TA = 70°C  
@ TA = 85°C  
W
Insulating material group  
Mass  
Standards  
I
m
22  
EN 50178  
g
5)  
1)  
Notes : For 10 s, with RM £ 71 W (VC = ± 15 V)  
2)  
50 Hz Sinusoidal  
Without IO & IOM  
With a di/dt of 100 A/µs  
A list of corresponding tests is available.  
3)  
4)  
5)  
010822/5  
LEM Components  
www.lem.com  
12

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