Current Transducer LT 4000-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
=
4000 A
Electrical data
I
PN
I
P
R
M
Primary nominal r.m.s. current
Primary current, measuring range
Measuring resistance
with 鹵 24 V
I
SN
K
N
V
C
I
C
V
d
@ 鹵 4000 A
max
@ 鹵 6000 A
max
4000
0 .. 鹵 6000
R
M min
R
M max
0
0
10
2
A
A
鈩?/div>
鈩?/div>
Features
鈥?/div>
Closed loop (compensated) current
transducer using the Hall effect
鈥?/div>
Insulated plastic case recognized
according to UL 94-V0.
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
800
mA
1 : 5000
鹵 24
V
35
(@ 鹵 24 V) +
I
S
mA
6
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
G
蔚
L
Overall accuracy @
I
PN
,
T
A
= 25擄C
Linearity
Offset current @
I
P
= 0,
T
A
= 25擄C
Thermal drift of
I
O
- 25擄C .. + 70擄C
Response time @ 90 % of
I
P max
di/dt accurately followed
Frequency bandwidth (- 1 dB)
1)
鹵 0.5
< 0.1
Typ
Max
鹵 0.8
鹵 0.8
%
%
mA
mA
碌s
A/碌s
kHz
I
O
I
OT
t
r
di/dt
f
鹵 0.6
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.
<1
> 50
DC .. 100
General data
T
A
T
S
R
S
m
Ambient operating temperature
Ambient storage temperature
Secondary coil resistance @
T
A
= 70擄C
Mass
Standards
2)
- 25 .. + 70
- 40 .. + 85
15
6
EN 50178
擄C
擄C
鈩?/div>
kg
Notes :
1)
2)
With a di/dt of 100 A/碌s
A list of corresponding tests is available
980728/8
LEM Components
w w w .lem.com
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