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NNC-940A Schematic ( PDF Datasheet ) - LEM

Teilenummer NNC-940A
Beschreibung Current Transducers NNC-920~960A
Hersteller LEM
Logo LEM Logo 




Gesamt 2 Seiten
NNC-940A Datasheet, Funktion
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 = 2000 .. 6000 A
PN
Electrical data
Primary nominal
r.m.s. current
IPN (A)
Primary current
measuring range
IP (A)
2000
± 2200
3000
4000
5000
6000
± 3300
± 4400
± 5500
± 6600
Type
NNC - 920A
NNC - 930A
NNC - 940A
NNC - 950A
NNC - 960A
VC
IC
Vd
Vb
V
R IS
VOUT
ROUT
RL
Supply voltage (± 5 %)
Current consumption
R.m.s. voltage for AC isolation test, 50/60Hz, 1 mn
R.m.s. rated voltage, safe separation
± 15
< ± 25
2.5
V
mA
kV
500
Isolation resistance @ 500 VDC
Output voltage @ ± IPN, RL = 10 k, TA = 25°C
Output internal resistance
Load resistance
> 1000 M
± 10 V
100
10 k
Accuracy - Dynamic performance data
εXG
L
VO E
VOH
εVOT
TC G
tr
Accuracy @ TA = 25°C
Linearity (0 .. ± IPN)
Electrical offset voltage, TA = 25°C
Hysteresis offset voltage @ IP = 0;
after an excursion of 1 x IPN
Thermal drift of VOE
Thermal drift of the gain (% of reading)
Response time @ 90% of IP
< ± 1 % of IPN
< ± 1 % of IPN
< ± 50
mV
< ± 50
<±1
< ± 0.1
< 25
mV
mV/°C
%/°C
µs
Features
Hall effect measuring principle
Galvanic isolation between primary
and secondary circuit
Isolation voltage 3000 V~
Low power consumption
Advantages
Easy mounting
Space saving
High immunity to external
interference.
Applications
AC variable speed drives
Battery supplied applications
Uninterruptible Power Supplies
(UPS)
General data
TA Ambient operating temperature
TS Ambient storage temperature
m Mass
Notes : Linearity data exclude the electrical offset.
- 10 .. + 60 °C
- 15 .. + 65 °C
1.4 kg
010301/1
www.nanalem.co.jp





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