NNC-920A_04 Datasheet, PDF (1/2 Pages) LEM – Current Transducer

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 2000A-10V
NNC-930A 3000A-10V
NNC-940A 4000A-10V
NNC-950A 5000A-10V
NNC-960A 6000A-10V
V_C
I_C
V
d
R_IS
V
OUT
R_L
Supply voltage (±5 %)
±15
V
Current consumption
<±30
mA
R.m.s. voltage for AC isolation test, 50/60 Hz, 1 mn 2.5
kV
Isolation resistance @ 500 VDC
>500
MΩ
Output
voltage
@
±
I,
PN
R
L
=
10
kΩ,
T
A
=
25°C
±10
V
Load resistance
10
kΩ
Accuracy - Dynamic performance data
X
ε_L
V_OE
V_OH
V
ε^OT
TC _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
% of I_PN
% of I_PN
mV
<±70
<±2
<±0.1
<25
mV
mV/K
%/K
µs
General data
T_A
Ambient operating temperature
T_S
Ambient storage temperature
m
Mass
-10 .. +50 °C
-15 .. +60 °C
1.7
Kg
Features
• Hall effect measuring principle
• Galvanic isolation between primary
and secondary circuit
• Isolation voltage 2500V
• Low power consumption
Advantages
• Easy to mount
• Small size and space saving
• Large-current application
• High immunity to external
interference.
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
Notes :
LEM Components
040824/3
www.lem.com