Current Transducer LA 125-P
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
=
125 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 125 A
max
@ 鹵 200 A
max
@ 鹵 125 A
max
@ 鹵 200 A
max
125
0 .. 鹵 200
T
A
= 70擄C
T
A
= 85擄C
R
M min
R
M max
R
M min
R
M max
5
5
25
25
52
20
74
34
14
14
40
40
1)
50
18
72
40
1)
A
A
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Printed circuit board mounting
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
鈩?/div>
鈩?/div>
鈩?/div>
鈩?/div>
Secondary nominal r.m.s. current
Conversion ratio
Supply voltage (鹵 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50 Hz, 1 mn
125
mA
1 : 1000
鹵 12 .. 15
V
16
(@ 鹵 15 V) +
I
S
mA
3
kV
Advantages
鈥?/div>
Excellent accuracy
鈥?/div>
Very good linearity
鈥?/div>
Low temperature drift
鈥?/div>
Optimized response time
鈥?/div>
Wide frequency bandwidth
鈥?/div>
No insertion losses
鈥?/div>
High immunity to external
interference
鈥?/div>
Current overload capability.
Accuracy - Dynamic performance data
X
Accuracy @
I
PN
,
T
A
= 25擄C
L
蔚
@ 鹵 15 V (鹵 5 %)
@ 鹵 12 .. 15 V (鹵 5 %)
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Residual current
2)
@
I
P
= 0, after an overload of 3 x
I
PN
Thermal drift of
I
O
0擄C .. + 70擄C
- 25擄C .. + 85擄C
Reaction time @ 10 % of
I
P max
Response time
3) 4)
@ 90 % of
I
P max
di/dt accurately followed
4)
Frequency bandwidth
4)
(- 1 dB)
鹵 0.60
鹵 0.80
< 0.15
Max
鹵 0.40
鹵 0.50
鹵 0.15 鹵 0.50
鹵 0.15 鹵 0.60
< 500
<1
> 200
DC .. 100
Typ
%
%
%
mA
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
motor drives
鈥?/div>
Static converters for DC motor drives
鈥?/div>
Battery supplied applications
鈥?/div>
Uninterruptible Power Supplies
(UPS)
鈥?/div>
Switched Mode Power Supplies
(SMPS)
鈥?/div>
Power supplies for welding
applications.
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
Mass
Standards
1)
2)
3)
4)
T
A
= 70擄C
T
A
= 85擄C
5)
- 25 .. + 85
- 40 .. + 90
32
33.5
40
EN 50178
擄C
擄C
鈩?/div>
鈩?/div>
g
Notes :
5)
Measuring range limited to 鹵 180 A
max
The result of the coercive field of the magnetic circuit
With a di/dt of 100 A/碌s
The primary conductor is best filling the through-hole and/or the return
of the primary conductor is above the top of the transducer
A list of corresponding tests is available
980716/5
LEM Components
w w w .lem.com
LA125-P相關型號PDF文件下載
-
型號
版本
描述
廠商
下載
-
英文版
ETC
-
英文版
-
英文版
Analog IC
ETC
-
英文版
FM/AM IF AMP FOR RADIO CASSETE MUSIC CENTER
SANYO
-
英文版
FM/AM IF AMP FOR RADIO CASSETE MUSIC CENTER
SANYO [San...
-
英文版
ETC
-
英文版
ETC
-
英文版
ETC
-
英文版
ETC
-
英文版
FM IF System
SANYO
-
英文版
FM IF System
SANYO [San...
-
英文版
ETC
-
英文版
FM IF System Applications
SANYO
-
英文版
FM IF System Applications
SANYO [San...
-
英文版
LA1240
SANYO
-
英文版
LA1240
SANYO [San...
-
英文版
AM Electronic Tuner
SANYO
-
英文版
AM Electronic Tuner
SANYO [San...
-
英文版
AM ELECTRONIC TUNER
SANYO
-
英文版
AM ELECTRONIC TUNER
SANYO [San...
LEM
1
2
