Seg WI Series User Manual

11.2.3.2.3 Fuse Characteristic of an HV Fuse
»Char« = HV Fuse
1 10 100
0.01
0.1
1
10
100
1000
10000
I2 / I> (multiples of pickup)
wiNPSDOC_Z14
0.05
0.1
0.2
0.3
0.4
0.6
1
2
3
4
6
10
tChar=
t / s
Fig. 106: HV Fuse: trip delay, I2 > I
2>
, example for I
Dyn.Lim.
= 20⋅I
>
.
See ╚═▷ “Explanation for All Characteristics (»I2>«)” and ╚═▷ “11.2.3.2 Inverse-Time
Characteristics (»I2>«)” for details.
Reset Delay
The reset modes “instantaneous” or “de󰊟nite time” are available. For this characteristic,
there is no reset mode with dynamic reset delay.
Trip Delay
If I
2>
< I2 < I
Dyn.Lim.
, the trip delay is de󰊟ned by the characteristic.
For I2 > I
Dyn.Lim.
, the trip delay t is kept constant at t = t
Dyn.Lim.
.
318 WIC1 WIC1-1.0-EN-MAN
11 Appendix
11.2.3.2.3 Fuse Characteristic of an HV Fuse

Seg WI Series Specifications

General

Brand	Seg
Model	WI Series
Category	Relays
Language	English