Current Transducers 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 nominal
r.m.s. current
I
PN
(A)
2000
3000
4000
5000
6000
Primary current
measuring range
I
P
(A)
±
±
±
±
±
2200
3300
4400
5500
6600
Type
Features
920A
930A
940A
950A
960A
NNC
NNC
NNC
NNC
NNC
-
-
-
-
-
•
Hall effect measuring principle
•
Galvanic isolation between primary
and secondary circuit
•
Isolation voltage 3000 V~
•
Low power consumption
V
mA
kV
500
V
C
I
C
V
d
V
b
V
R
IS
V
OUT
R
OUT
R
L
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn
R.m.s. rated voltage, safe separation
Isolation resistance @ 500 VDC
Output voltage @ ±
I
PN
,
R
L
= 10 kΩ,
T
A
= 25°C
Output internal resistance
Load resistance
± 15
< ± 25
2.5
Advantages
•
Easy mounting
•
Space saving
•
High immunity to external
interference.
> 1000
100
10
MΩ
± 10 V
Ω
kΩ
Applications
Accuracy - Dynamic performance data
•
AC variable speed drives
•
Battery supplied applications
•
Uninterruptible Power Supplies
< ± 1 % of
I
PN
< ± 1 % of
I
PN
< ± 50
mV
< ± 50
<±1
< ± 0.1
< 25
mV
mV/°C
%/°C
µs
(UPS)
ε
X
G
L
V
O E
V
OH
V
OT
TC
ε
G
t
r
Accuracy @
T
A
= 25°C
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 the gain (% of reading)
Response time @ 90% of
I
P
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
- 10 .. + 60
- 15 .. + 65
1.4
°C
°C
kg
Notes : Linearity data exclude the electrical offset.
010301/1
www.nanalem.co.jp
LEM [ LEM ]
