ABB VM1 Installation And Service Instructions Manual page 21

M E D I U M V O LTA G E P R O D U C T S
3
10
2
10
1
10
0,1
Curve A
Maximum power applicable (V d.c. on resistive load).
10 7
Cosϕ = 1
6
10
5
10
Cosϕ = 0,4
4
10
1 2
Curve B
Electrical life of the contacts at 250 V a.c.
1
Cosϕ = 0,7
3 4 5
I (A)
I (A)
10 7
6
10
5
10
10 4
10 3
6 1
Curve C
Electrical life of the contacts at 24 V d.c.
10
τ
= 0 ms
τ
acc. DC 13
2 3 4
21 21
5 6
I (A)