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LA305-S PDF预览

LA305-S

更新时间: 2024-10-27 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 68K
描述
Current Transducer LA 305-S

LA305-S 数据手册

 浏览型号LA305-S的Datasheet PDF文件第2页 
Current Transducer LA 305-S  
IPN = 300 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  
Features  
IPN  
IP  
RM  
Primary nominal r.m.s. current  
Primary current, measuring range  
Measuring resistance @  
300  
0 .. ± 500  
TA = 70°C  
RM min RMmax RM min RMmax  
A
A
· Closed loop (compensated) current  
transducer using the Hall effect  
· Insulated plastic case recognized  
according to UL 94-V0  
TA = 85°C  
with ± 12 V  
with ± 15 V  
@ ± 300 A max  
0
0
0
0
52  
17  
75  
31  
0
0
5
5
50  
15  
73  
29  
W
W
W
W
@ ± 500 A max  
@ ± 300 A max  
@ ± 500 A max  
· Copyright protected.  
Advantages  
ISN  
KN  
VC  
IC  
Secondary nominal r.m.s. current  
Conversion ratio  
Supply voltage (± 5 %)  
Current consumption  
R.m.s. rated voltage 1), safe separation  
basic isolation  
120  
1 : 2500  
± 12 .. 15  
20(@±15 V)+ IS mA  
1750  
3500  
mA  
· Excellent accuracy  
· Very good linearity  
V
· Low temperature drift  
· Optimized response time  
· Wide frequency bandwidth  
· No insertion losses  
· High immunity to external  
interference  
Vb  
V
V
Accuracy - Dynamic performance data  
XG  
Overall accuracy @ IPN , TA = 25°C  
Linearity  
± 0.8  
< 0.1  
%
%
· Current overload capability.  
e
L
Typ  
Max  
Applications  
IO  
IOM  
IOT  
Offset current @ IP = 0, TA = 25°C  
Residual current 2) @ IP = 0, after an overload of 3 x IPN  
Thermal drift of IO  
± 0.20 mA  
± 0.40 mA  
· AC variable speed drives and servo  
motor drives  
- 10°C .. + 85°C  
± 0.12 ± 0.30 mA  
tra  
tr  
Reaction time @ 10 % of IP max  
< 500  
< 1  
> 100  
DC .. 100  
ns  
µs  
A/µs  
kHz  
· Static converters for DC motor drives  
· Battery supplied applications  
· Uninterruptible Power Supplies  
(UPS)  
Response time 3) @ 90 % of IP max  
di/dt di/dt accurately followed  
f
Frequency bandwidth (- 3 dB)  
· Switched Mode Power Supplies  
(SMPS)  
General data  
· Power supplies for welding  
applications.  
TA  
TS  
RS  
Ambient operating temperature  
Ambient storage temperature  
Secondary coil resistance @  
- 10 .. + 85  
- 40 .. + 90  
35  
37  
200  
°C  
°C  
W
W
g
TA = 70°C  
TA = 85°C  
m
Mass  
4)  
Standards  
EN 50178  
1)  
Notes : Pollution class 2. With a non insulated primary bar which fills the  
through-hole  
2)  
The result of the coercive field of the magnetic circuit  
With a di/dt of 100 A/µs  
A list of corresponding tests is available  
3)  
4)  
980707/6  
LEM Components  
www.lem.com  

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