ABB EF460, EF500, EF750, EF800 Wiring Diagrams
Wiring diagram
switching frequency
switching frequency
Trip class 30E
L1 L2 L3
T1 T2 T3
RESET
Auto
Man
TEST
STOP
9795
9896
2CDC232007F0013
Resistance and power loss per pole and short-circuit protective devices
Type Setting range Resistance per
pole
lower value
A
upper value
A
mΩ
EF460-500 150 500 - - - 690 V: 630 A, Type gG
EF750-800 250 800 - - - 690 V: 800 A, Type gG
Power loss per pole Short-circuit
protective devices
at lower value Wat upper value Wcoordination type 2
1000 V: 1600 A, Type gG
1000 V: 1600 A, Type gG
Intermittent periodic duty
(Op/h)
50
t = 5 s
a
45
40
35
30
25
t = 10 s
a
20
15
t = 15 s
a
10
t = 20 s
a
t = 25 s
a
5
0
0 20 40 60 80 100
2CDC232002F0214
duty ratio
(%)
2CDC232003F0214
t = 0.5 s
a
t = 1 s
a
t = 1.5 s
a
t = 3 s
a
t = 5 s
a
Trip class 10E
duty ratio
(Op/h)
160
140
120
100
80
60
40
20
0
0 20 40 60 80 100
(%)
t = 2 s
a
t = 8 s
a
t = 10 s
a
t = 12 s
a
Trip class 20E
t = 4 s
a
t = 6 s
a
duty ratio
(%)
(Op/h)
80
70
60
50
40
30
switching frequency
20
10
0
0 20 40 60 80 100
2CDC232001F0214
Trip class 10E Trip class 20E Trip class 30E
2CDC107045D0201 - 3
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