ISO 9001:2008
www.fanox.com
SIAC116B1011AB_Rev. 05
12 / 32
Panel Mounting
0,6 Rack
– 4 U (Horizontal mechanic)
IP-54 when panel mounted
Thermal resistance
3xIn continously
20xIn during 10 seconds
70xIn during 1 second
4.1.
IEC60255-151 Curves
The SIA-C relay complies with the curves shown in standard IEC 60255-151:
•
Inverse Curve
•
Very Inverse Curve
•
Extremely Inverse Curve
•
Long time Inverse Curve
There is a general mathematical equation that defines the time in seconds as a function of
the current:
K
D
B
Q
V
D
A
t
P
+
+
−
=
adjusted
I
I
V
=
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.
