Current Transducer NNC-920..960A
For the electronic measurement of currents: DC, AC, pulsed, mixed,
with a galvanic isolation between the primary circuit (high power) and
the secondary circuit (electronic circuit).
I
PN
= 2000..6000 A
Electrical data
Primary D.C.
current
I
PN
(A)
2000
3000
4000
5000
6000
Primary current
measuring range
I
P
(A)
±
±
±
±
±
2300
3400
4500
5600
6600
Type
NNC-920A
NNC-930A
NNC-940A
NNC-950A
NNC-960A
2000A-10V
3000A-10V
4000A-10V
5000A-10V
6000A-10V
Features
•
Hall effect measuring principle
•
Galvanic isolation between primary
and secondary circuit
•
Isolation voltage 2500V
•
Low power consumption
V
C
I
C
V
d
R
IS
V
OUT
R
L
Supply voltage (±5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn
Isolation resistance @ 500 VDC
Output voltage @ ±
I
PN
,
R
L
= 10 kΩ,
T
A
= 25°C
Load resistance
±15
<±30
2.5
>500
±10
10
V
mA
kV
MΩ
V
kΩ
Advantages
•
Easy to mount
•
Small size and space saving
•
Large-current application
•
High immunity to external
interference.
Accuracy - Dynamic performance data
ε
X
L
V
OE
V
OH
V
OT
TC
ε
G
t
r
Accuracy @
I
PN
,
T
A
= 25°C (without offset)
Linearity (0 .. ±
I
PN
)
Electrical offset voltage,
T
A
= 25°C
Hysteresis offset voltage @
I
P
= 0;
after an excursion of 1 x
I
PN
Thermal drift of
V
OE
Thermal drift (% of reading)
Response time @ 90% of
I
P
<±1
<±1
<±50
<±70
<±2
<±0.1
<25
% of
I
PN
% of
I
PN
mV
mV
mV/K
%/K
µs
Applications
•
AC variable speed drives
•
Uninterruptible Power Supplies
(UPS)
•
Battery supplied applications
•
Power supplies for welding
applications, cable TV,
communication devices
•
Commutator power supplies
•
Electric transmission
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
-10 .. +50
-15 .. +60
1.7
°C
°C
Kg
Notes :
040824/3
LEM Components
www.lem.com
LEM [ LEM ]
