2 - AA Electric

electric
Wiring diagrams
Protection relays
W-13
Voltage monitoring for three-phase systems
PMV30 - PMV40
PMV50 - PMV60 - PMV70
L1
L2
L3
L1
L2 L3
TRMS
High and low voltage (PMV30 - PMV50 - PMV60 - PMV70)
Reset delay MAX Delay Reset delay MIN Delay Reset delay
Set up V MAX
Hysteresis
Hysteresis
Set up V MIN
L1 - L2 - L3
W
14
12 11
ON
V MAX
V MIN
14
11
12
Asymmetry (PMV40 - PMV60 - PMV70)
Reset delay
Trip delay
Reset delay
Set point
asymmetry
Hysteresis
L1 - L2 - L3
On
Asymmetry
11
14
12
Current monitoring of single-phase systems
PMA20
Automatic resetting
Manual resetting
PMA20
2
10
2
10
Us
0.02A
1A
5A
16A
A1 A2 R I B4 B3 B2 B1 C 11 12 14
B2÷B4
9
RESET
11
3
INHIBITION
11
9
RESET
11
3
INHIBITION
11
RESET
INHIBITION
C
L1
L2
L3
L1
L2
L3
7
6
5
I
Set Point
5÷100% f.s.
5-30%
7
6
5
I
Set Point
5÷100% f.s.
Inhibition 0.1-20s
Delay 0.1-20s
t
Inhibition
0.1-20s
Delay
0.1-20s
Manual
Reset
t
PMA21 Automatic resetting Manual resetting
PMA21
2
10
2
10
Us
A1 A2 R I B4 B3 B2 B1 C 11 12 14
B2÷B4
RESET
INHIBITION
0.02A
1A
5A
16A
C
L1
L2
L3
L1
L2
L3
9
9
RESET
RESET
11
11
3
3
INHIBITION
INHIBITION
11
11
7
6
6
5
I
Set Point
Set Point
5÷100% f.s. 5÷100% f.s.
5-30%
7
5
I
Inhibition 0.1-20s
Delay 0.1-20s
t
Inhibition
0.1-20s
Delay
0.1-20s
Manual
Reset
t
Sold by AA Electric 1-800-237-8274 • Lakeland, FL • Lawrenceville, GA • East Rutherford, NJ
Web : www.A-Aelectric.com Email: njsales@a-aelectric.com