Eaton Industrial Switchgear - xStart switching, protections and actuating motors

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7/72 Motor-protective circuit-breakers PKZ2
Characteristic curves
2010 CA08103002Z-EN
Tripping characteristic curves,motor-protective circuit-breakers, (high-power) compact starters Tripping characteristic curves, line protection
Let-through characteristics, circuit-breakers, compact starters
Let-through characteristics, high-capacity compact starters and circuit-breakers + current limiters CL
2
5
20
50
200
1
2
5
10
20
40
1
2
5
20
10
2h
1,5 2 3 4 6 8 10 15 20 30
PKZ2/ZM-...
PKZ2/ZM-.../S
PKZ2/ZM-.../SE1A
Seconds
Milliseconds
Minutes
x Rated operational current
2
5
20
50
200
1
2
5
10
20
40
1
2
5
20
10
2h
1,5 2 3 4 6 8 10 15 20 30
PKZ2/ZM-...-8
Seconds
Milliseconds
Minutes
x Rated operational current
PKZ2/ZM-...(-8)
PKZ2/ZM-...(-8)/SE1A
1
1
1.5
2
3
4
6
8
10
15
20
30
40
60
80
100
1.5 2 3 4 6 8 10 15 20 30 40 60 80 100
32/40A
25 A
16 A
10 A
6 A
2· I cc
Ue = 400 V
[kA]
ÎD
I cc rms[ kA]
1 1.5 2 3 4 6 8 10 15 20 30 40 60 80 100
4
6
8
1.5
2
3
4
6
8
1.5
2
3
4
6
8
105
104
106
PKZ2/ZM-...(-8)
PKZ2/ZM-...(-8)/SE1A
16 A
10 A
6 A
32/40A
25 A
i dt
Z 2
[A s]2
Ue = 400 V
[ kA]
1sthalf-wave
Icc rms
1
1
1.5
2
3
4
6
8
10
15
20
30
40
60
80
100
1.5 2 3 4 6 8 10 15 20 30 40 60 80 100
PKZ2/ZM-...(-8)/S
PKZ2/ZM-...(-8)/S-G
PKZ2/ZM-...(-8)+CL
PKZ2/ZM-.../S-SP
2 ·
I cc
32/40A
25 A
16 A
10 A
6 A
[ kA]
ÎD
Ue = 400 V
Icc rms [kA]
1
sthalf-wave
Icc rms
1 1.5 2 3 4 6 8 10 15 20 30 40 60 80 100
4
6
8
1.5
2
3
4
6
8
1,5
2
3
4
6
8
10
10
10
16A
10A
PKZ2/ZM-...(-8)/S
PKZ2/ZM-...(-8)/S-G
PKZ2/ZM-...(-8)+CL
PKZ2/ZM-.../S-SP
6 A
25 A
32A
40 A
[A s]2
Ue= 400 V
[ kA]
y
5
4
6
Z
PKZ2