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LF205-S Datasheet

  • LF205-S

  • CURRENT TRANSDUCER LF 205-S

  • 2頁(yè)

  • LEM   LEM

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Current Transducer LF 205-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).
I
PN
=
200 A
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance @
with 鹵 12 V
with 鹵 15 V
I
SN
K
N
V
C
I
C
V
d
@ 鹵 200 A
max
@ 鹵 420 A
max
@ 鹵 200 A
max
@ 鹵 420 A
max
200
0 .. 鹵 420
T
A
= 70擄C
T
A
= 85擄C
R
M min
R
M max
R
M min
R
M max
0
0
0
0
71
14
100
28
0
0
23
23
69
12
98
26
A
A
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
mA
V
mA
kV
Advantages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Excellent accuracy
Very good linearity
Low temperature drift
Optimized response time
Wide frequency bandwidth
No insertion losses
High immunity to external
interference
鈥?/div>
Current overload capability.
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (鹵 5 %)
Current consumption @ 鹵 15 V
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
100
1 : 2000
鹵 12 .. 15
17 +
I
S
3.5
Accuracy - Dynamic performance data
X
G
蔚
L
Overall accuracy @
I
PN
,
T
A
= 25擄C
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Residual current
1)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
- 40擄C .. + 85擄C
Reaction time @ 10 % of
I
PN
Response time
2)
@ 90 % of
I
PN
di/dt accurately followed
Frequency bandwidth (- 3 dB)
鹵 0.5
< 0.1
Max
鹵 0.2
鹵 0.1
鹵 0.12 鹵 0.4
< 500
<1
> 100
DC .. 100
Typ
%
%
mA
mA
mA
ns
碌s
A/碌s
kHz
I
O
I
OM
I
OT
t
ra
t
r
di/dt
f
Applications
鈥?/div>
AC variable speed drives and servo
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
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.
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70擄C
@
T
A
= 85擄C
Mass
Standards
3)
- 40 .. + 85
- 40 .. + 90
33
35
78
EN 50178
擄C
擄C
鈩?/div>
鈩?/div>
g
鈥?/div>
Notes :
1)
2)
3)
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/碌s
A list of corresponding tests is available.
021125/10
LEM Components
w w w.lem.com

LF205-S 產(chǎn)品屬性

  • 0現(xiàn)貨

  • 1 : ￥989.68000散裝

  • -

  • 散裝

  • 不適用于新設(shè)計(jì)

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