8
JEP0-IL9553
Characteristics
Item
Characteristics
Standard use
conditions
Ambient temperature:
–
20 to +60
℃
(Under the state where dew condensation or freezing does not occur)
Relative humidity: 30 to 80% on daily average
Altitude: 2000m or lower
・
The state where abnormal vibration, shock, and inclination are not applied.
・
The state where it is not exposed to harmful gas, excessive dust, and water droplet or vapor.
Operation value
characteristics
Time-lag element: Within
±
10% of each setting value
Instantaneous element: Within
±
15% of each setting value
Reset value
characteristics
80% or more of each operating value
Operating time
characteristics
Time-lag element (setting: 3A) Refer to Fig. 1-1-1,2 for characteristic example
①
Extremely inverse (EI)
Dial
Multiple of
input
current (%)
Operating time (s)
Dial
Multiple of
input current
(%)
Operating time (s)
10
300
700
(200)
(500)
(1000)
10.00
±
17%
1.67
±
12%
(26.67
±
17%)
(3.33
±
12%)
(0.81
±
12%)
6
300
700
(200)
(500)
(1000)
6.00
±
17%
1.00
±
12%
(16.00
±
17%)
(2.00
±
12%)
(0.48
±
12%)
②
Very inverse (VI)
Dial
Multiple of
input
current (%)
Operating time (s)
Dial
Multiple of
input current
(%)
Operating time (s)
10
300
700
(200)
(500)
(1000)
6.75
±
17%
2.25
±
12%
(13.50
±
17%)
(3.38
±
12%)
(1.50
±
12%)
6
300
700
(200)
(500)
(1000)
4.05
±
17%
1.35
±
12%
(8.10
±
17%)
(2.03
±
12%)
(0.90
±
12%)
③
Normal inverse (NI)
Dial
Multiple of
input
current (%)
Operating time (s)
Dial
Multiple of
input current
(%)
Operating time (s)
10
300
700
(200)
(500)
(1000)
6.30
±
17%
3.53
±
12%
(10.03
±
17%)
(4.28
±
12%)
(2.97
±
12%)
4
300
700
(200)
(500)
(1000)
2.52
±
17%
1.41
±
12%
(4.01
±
17%)
(1.71
±
12%)
(1.19
±
12%)
④
Definite time (DT)
Dial
Multiple of
input
current (%)
Operating time (s)
Dial
Multiple of
input current
(%)
Operating time (s)
10
300
700
(200)
(500)
(1000)
2.00
±
17%
2.00
±
12%
(2.00
±
17%)
(2.00
±
12%)
(2.00
±
12%)
9
300
700
(200)
(500)
(1000)
1.80
±
17%
1.80
±
12%
(1.80
±
17%)
(1.80
±
12%)
(1.80
±
12%)
Instantaneous element
50ms or less (Input: 200% of setting value) Refer to Fig. 1-1-3 for characteristic example
Overshoot time
characteristics
Time-lag
element
Dial: 10, Input: 1000% of setting value, Applied time: 90% of theoretical operating time
The relay shall not operate.
Temperature
characteristics
Time-lag
element
Ambient temperature: -20
℃
or +60
℃
Operation value: Within
±
20% of the value at 20
℃
Operating time: Within
±
20% of the time at 20
℃
(Input current multiplier = 300%)
Frequency
characteristics
Frequency variations:
±
5% of rated frequency
Operation value of time-lag element: Within
±
10% of the value at rated frequency
Operating time of time-lag element (except for DT element):
Input current multiplier = 300%:
Within ±17%
of the time at rated frequency
Input current multiplier = 700%:
Within ±12% of the time at rated frequency
Operation value of instantaneous element: Within
±
15% of the value at rated frequency
Distorted wave
characteristics
Time-lag
element
Setting: Minimum operation value and minimum operating time
3rd, 5th, and 7th harmonic content: 30% of fundamental wave
Criteria for operation value: Within
±
15% of the value at fundamental wave only
Overload
capacity
20 times of rated current, for 1s, twice, at intervals of 1min
Vibration
Frequency
(Hz)
Peak-to-peak amplitude mm
(Acceleration m/s
2
)
Vibration
time
(s)
Setting: Minimum operation value and
minimum operating time
Input: 80% of time-lag element operation
value
Criteria: No malfunction and no abnormal
indication
Forward/
backward
Right/left
Up/down
10
5 (10)
2.5 (5)
30
16.7
0.4 (2)
600
Nominal
value
Reference
value
Nominal
value
Reference
value
Characteristic
control point
Reference
value
Nominal
value
Reference
value
Nominal
value
Reference
value
Characteristic
control point
Reference
value
Characteristic
control point
Reference
value
Characteristic
control point
Reference
value
