KW1M Eco
-
POWER METER
43
Input
current
Primary side
rating
<Using the dedicated CT>
・
5A/50A/100A/250A/400A (Select with setting mode)
<Using a commercial CT with the secondary side current 5A>
・
1 to 4000A (Set with setting mode)
*Use a commercial CT with secondary side current of 5A when measure 400A
or more.
*Accuracy coverage:10 to 100% of rated current of CT
Cut-off
current
1.0 to 50.0%F.S (Set with setting mode)
Cut-off
voltage
Below 5% of rating voltage
(Rating voltage x 0.05 x VT ratio) (Fixed)
Special
functions
Current
threshold for
hour meter
1.0 to 100.0
%
F.S.
Instantaneous electric power / Integrated electric power / Voltage / Current
Electricity charge / Conversion value
±
(2.5% F.S.+1digit)
(at 20
℃
, rated input, rated frequency, power-factor 1)
*Accuracy coverage:10 to 100% of rated current of CT
Hour meter
Indication
accuracy
±
(0.01
%
+1digit) (at 20
℃
)
Monthly accuracy:
±
260 sec.(for your reference)
In case power on start or current energizing
±
(0.01
%
+1s+1 digit) (at 20
℃
)
Temperature
characteristics
±
(1.5% F.S. /10
℃
+1digit)
(Range of –10 to 50
℃
, rated input, power-factor 1)
Accuracy
(without error
in CT and VT)
Frequency
characteristics
±
(1.5% F.S.+1 digit)
(Frequency change
±
5% based on rated
frequency, for rated input power-factor 1)
8.2.2 Pulse input *only AKW1111 (400VAC applicable type)
Input mode
Addition (Fixed)
Max. counting speed
2kHz /30Hz (Select with setting mode)
Pulse input
Min. input signal width:
0.25ms (When 2kHz selected) /16.7ms (When 30Hz selected)
ON:OFF ratio = 1 : 1
Input signal
Contact / No contact (open collector)
・
Impedance when shorted: Max. 1k
Ω
・
Residual voltage when shorted: Max. 2V
・
Impedance when open: Min. 100k
Ω
Output mode
HOLD (Over count)
Decimal point
under 3-digit
Prescale
Range
0.001 to 100.000 (Set with setting mode)
Содержание AKW1110
Страница 1: ......
Страница 54: ...KW1M Eco POWER METER 46 Chapter 9 Mounting 9 1 Dimensions 9 1 1 AKW1111 Main unit 9 1 2 AKW1110 Main unit ...
Страница 55: ...KW1M Eco POWER METER 47 Panel cutout 9 1 3 Dedicated CT unit mm For 5A 50A AKW4801C tolerance 1 0 ...
Страница 56: ...KW1M Eco POWER METER 48 For 100A AKW4802C For 250A AKW4803C ...
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