Current Transducer NNC-10..40GFP
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
= 50 .. 600 A
Electrical data
Primary nominal
DC current
I
PN
(A)
100
200
300
400
Primary current
measuring range
I
P
(A)
±
±
±
±
300
600
900
1000
Type
Features
•
Hall effect measuring principle
•
Galvanic isolation between primary
and secondary circuit
•
Isolation voltage 2500V
•
Low power consumption
•
Extended measuring range (3 x
I
PN
)
NNC-10GFP
NNC-20GFP
NNC-30GFP
NNC-40GFP
V
C
I
C
V
d
R
IS
V
OUT
R
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
Output internal resistance
Load resistance
±15
<±18
2.5
> 1000
±4
< 100
10
V
mA
kV
MΩ
V
Ω
kΩ
Advantages
•
Small size and space saving
•
Only one design for wide current
ratings range
•
High immunity to external
interference.
Accuracy - Dynamic performance data
ε
X
L
V
OE
V
OH
V
OT
TC
ε
G
t
r
Accuracy @
T
A
= 25°C (without offset)
Linearity
1)
(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
NNC-10GFP
NNC-20..40GFP
Thermal drift of the gain (% of reading)
Response time @ 90% of
I
P
<±1
<±1
<±30
<±35
<±2
<±1
<±0.1
<7
% of
I
PN
% of
I
PN
mV
mV
mV/K
mV/K
%/K
µs
Applications
•
AC variable speed drives
•
Battery supplied applications
•
Uninterruptible Power Supplies
(UPS)
•
DC motor drives
•
Switched Mode Power
Supplies(SMPS)
•
Power supplies for welding
applications
General data
T
A
T
S
m
Ambient operating temperature
Ambient storage temperature
Mass
-10 .. +80
-15 .. +85
50
°C
°C
g
Notes :
1)
Linearity data exclude the electrical offset.
050113/1
LEM Components
www.lem.com