ABB CV-1 Instruction Leaflet page 13

I.L. 41-201S
32
TYPICAL TIME CURVES
TYPE CV-2
UNDERVOLTAGE RELAY 30
50/60 HERTZ
28
26
24
22
20
18
16
14
TIME DIAL SETTING
11
12
10
9
8
10
7
6
8
5
4
6
3
2
4
1
2
1/2
0
0 10 20 30 40 50 60 70 80 90 100
PERCENT TAP VOLTAGE VALUE
Curve 418250
Typical Time Curves Of The Type CV-2 Short Time Undervoltage Relay
Figure 12.
13