Rev.06
48/226
4.15. IEC 60255-151 Curves
The IEC curves follow the following mathematical equation:
K
D
B
Q
V
D
A
t
P
Where:
adjusted
I
I
V
And we have the following curves:
•
Inverse Curve
•
Very Inverse Curve
•
Extremely Inverse Curve
•
Long time inverse
Which relate to the parameters figuring in the following table:
Parameters
A
P
Q
B
K
Long Time Inverse
120
1
1
0
0
Ext. Inverse
80
2
1
0
0
Very Inverse
13,5
1
1
0
0
Inverse
0,14
0,02
1
0
0
The curve can mode from its axis using the D time selection device, which the user can adjust.
I
adjusted
is the initial operating current, set by the user.
Summary of Contents for SIL-D00
Page 8: ...www fanox com Rev 06 8 226 2 DIMENSIONS AND CONNECTION DIAGRAMS 2 1 Equipment front view...
Page 9: ...www fanox com Rev 06 9 226 2 2 Equipment dimensions...
Page 10: ...www fanox com Rev 06 10 226 2 3 Cut out pattern...
Page 12: ...www fanox com Rev 06 12 226 Digital connections Only as an example...
Page 13: ...www fanox com Rev 06 13 226 2 5 Terminals...
Page 49: ...www fanox com Rev 06 49 226...
Page 50: ...www fanox com Rev 06 50 226...
Page 51: ...www fanox com Rev 06 51 226...
Page 52: ...www fanox com Rev 06 52 226...
Page 200: ...www fanox com Rev 06 200 226...
Page 225: ...www fanox com Rev 06 225 226 NOTES...
Page 226: ...www fanox com Rev 06 226 226...