ABB CV-1 Instruction Leaflet page 12

I.L. 41-201S
TIME DIAL SETTING
0
Figure 11.
12
TYPICAL TIME CURVES
TYPE CV-1
UNDERVOLTAGE RELAY
50/60 HERTZ
11
10
9
8
10 20 30
PERCENT TAP VALUE VOLTAGE
Typical Time Curves Of The Type CV-1 Long Time Undervoltage Relay
7
6
5
4
3
40 50 60
2
1
1/2
70 80 90
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
100
Curve 418251