LF505-S 데이터 시트보기 (PDF) - LEM Industrial
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LF505-S Datasheet PDF : 3 Pages
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Current Transducer LF 505-S
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).
IPN = 500 A
Electrical data
16137
IPN Primary nominal rms current
IP
Primary current, measuring range
RM Measuring resistance
with ± 15 V
with ± 18 V
with ± 24 V
@ ± 500 A max
@ ± 800 A max
@ ± 500 A max
@ ± 800 A max
@ ± 500 A max
@ ± 800 A max
ISN Secondary nominal rms current
K N Conversion ratio
VC Supply voltage (± 5 %)
IC
Current consumption
Accuracy - Dynamic performance data
εX G
L
Overall accuracy @ IPN , TA = 25°C
Linearity error
IO
IOT
tr
di/dt
f
Offset current @ IP = 0, TA = 25°C
Thermal drift of IO
- 40°C .. + 70°C
Response time 1) @ 90 % of IPN
di/dt accurately followed
Frequency bandwidth (- 1 dB)
General data
TA
Ambient operating temperature
TS Ambient storage temperature
R S Secondary coil resistance @
m Mass
Standards
TA = 70°C
500
A
0 .. ± 800
A
RM min
RM max
0
60
Ω
0
11
Ω
0
92
Ω
0
30
Ω
5
149 Ω
5
65
Ω
100
mA
1 : 5000
± 15 .. 24
V
24 (@ ± 18V)+ IS mA
± 0.6
%
< 0.1
%
Typ Max
± 0.4 mA
± 0.1 ± 0.4 mA
<1
> 100
DC .. 100
µs
A/µs
kHz
- 40 .. + 70
°C
- 40 .. + 85
°C
70
Ω
230
g
EN 50155 : 1995
EN 50178 : 1997
Features
• Closed loop (compensated) current
transducer using the Hall effect
• Insulated plastic case recognized
according to UL 94-V0.
Advantages
• Excellent accuracy
• Very good linearity
• Low temperature drift
• Optimized response time
• Wide frequency bandwidth
• No insertion losses
• High immunity to external
interference
• Current overload capability.
Applications
• 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.
Applications domain
• Traction
• Industrial.
Note : 1) With a di/dt of 100 A/µs.
060922/9
LEM reserves the right to carry out modifications on its transducers, in order to improve them, without prior notice.
page 1/3
www.lem.com
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