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7. Others
7.5 Maximum Scale Value
Settable primary voltage, primary current, and standard maximum scale value are shown in the tables below.
● Maximum scale value of each item
[Three phase 4-wire]
Measurement element
In the case of direct
Voltage
voltage setting
(Phase voltage/
line voltage)
63.5V/110V
100V/173V
110V/190V
220V/380V
240V/415V
254V/440V
277V/480V
In the case of VT
connected to
secondary side
Current
Primary current value
Active power
VT ratio CT ratio specific power (100%) kW
Reactive power
VT ratio CT ratio specific power (100%) kvar
Apparent power
VT ratio CT ratio specific power (100%) VA
LEAD0.5 to 1 to LAG0.5
Power factor
45 to 55Hz (at 50Hz)
Frequency
55 to 65Hz (at 60Hz)
✽1 At the direct voltage setting, VT ratio = 1. Specific power value is according to the following.
✽2 For convenience of the scale, it is rounded the good number.
● Specific power value for scale calculation
Phase wire system
With or without VT
Three phase
At direct input
4-wire
(phase voltage)
Using VT
(Secondary voltage)
Three phase
At direct input
3-wire
Using VT
(Secondary voltage)
■Maximum scale value of power and reactive power (representative example)
Phase wire system
Three phase 4-wire
Primary
direct
voltage
Primary
value
110V/190V
current value (A)
4000
W
10.00
4000
var
W
6000
15.00
var
6000
W
8000
20.00
var
8000
W
10 k
25.00
var
10 k
12 k
W
30.00
12 k
var
16 k
W
40.0
var
16 k
W
20 k
50.0
var
20 k
W
24 k
60.0
var
24 k
W
30 k
75.0
30 k
var
32 k
W
80.0
32 k
var
* The upper bound of the scale is 8000M.
Maximum scale value
Phase to
Phase to
neutral voltage
phase voltage
100V
150V
150V
300V
300V
600V
400V
640V
150
Primary
Primary
voltage
110
voltage
✽2
✽2
Rated voltage
63.5V
100V, 110V
220V, 240V
254V, 277V
63.5V
100V, 110V
115V, 120V
110V
220V
100V, 110V
220V
Phase wire system
direct
254V/440V
Primary
240V/415V
current value (A)
8000
100.0
8000
12 k
120.0
12 k
16 k
150.0
16 k
20 k
200.0
20 k
24 k
250.0
24 k
32 k
300.0
32 k
40 k
400
40 k
48 k
500
48 k
60 k
600
60 k
64 k
750
64 k
[Three phase 3-wire]
Measurement element
Voltage
In the case of direct
voltage setting
Line voltage
110V
220V
In the case of VT connected
to secondary side
(Secondary voltage)
100V, 110V
220V
Current
Active power
150
3
110
Reactive power
Power factor
Frequency
✽1
✽1
✽1
Specific power value
Specific power value
1kW
2kW
4kW
1kW
2kW
1kW
2kW
1kW
2kW
Three phase 4-wire
Primary
direct
direct
voltage
254V/440V
value
110V/190V
240V/415V
40 k
80 k
W
40 k
80 k
var
W
48 k
100 k
var
48 k
100 k
W
60 k
120 k
var
60 k
120 k
W
80 k
160 k
var
80 k
160 k
100 k
200 k
W
100 k
200 k
var
120 k
240 k
W
var
120 k
240 k
W
160 k
320 k
var
160 k
320 k
W
200 k
400 k
var
200 k
400 k
W
240 k
480 k
240 k
480 k
var
300 k
600 k
W
300 k
600 k
var
Maximum scale value
Phase to
phase voltage
150V
300V
VT ratio
VT ratio
Same as the three
phase 4-wire
1kvar
2kvar
4kvar
1kvar
2kvar
1kvar
2kvar
1kvar
2kvar
Phase wire system
Three phase 4-wire
Primary
direct
voltage
Primary
value
110V/190V
current value (A)
320 k
W
800
320 k
var
W
400 k
1000
var
400 k
W
480 k
1200
var
480 k
W
600 k
1500
var
600 k
800 k
W
2000
800 k
var
1000 k
W
2500
var
1000 k
W
1200 k
3000
var
1200 k
W
1600 k
4000
var
1600 k
W
2000 k
5000
2000 k
var
150V
300V
direct
254V/440V
240V/415V
640 k
640 k
800 k
800 k
1000 k
1000 k
1200 k
1200 k
1600 k
1600 k
2000 k
2000 k
2400 k
2400 k
3200 k
3200 k
4000 k
4000 k
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