17/154 Circuit-breakers, switch-disconnectors
Construction size 1, 2: tripping characteristics
2010 CA08103002Z-EN
www.eaton.comConstruction size 1, 2: trippingcharacteristics
System and line protection with NZM1
Motor protection with NZM1
System and line protection with NZM2
Motor protection with NZM2
Notes
With the free CurveSelect software you can quickly and easily create detailed representations of individual settings:
www.moeller.net,Products & Solutions > Power Distribution > Switching and Protecting Power Distribution > CurveSelect: Characteristics program
Tripping time [s]
Setting range
Tolerance t
r
[s]
2
3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
x I
r
1
0.001
0.002
0.004
0.006
0.008
0.01
0.02
0.04
0.06
0.08
0.1
0.2
0.4
0.6
0.8
1
2
4
6
8
10
20
40
60
600
80
100
6000
2.5 h
200
400
800
1000
2000
4000
8000
(10 min)
(1 min)
10 x I
n
I
i
= 6
NZM1(-4)-A...
Tripping time [s]
Setting range
Tolerance
t
r
[s]
NZM1-M...
2
3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
1
0.001
0.002
0.004
0.006
0.008
0.01
0.02
0.04
0.06
0.08
0.1
0.2
0.4
0.6
0.8
1
2
4
6
8
10
20
40
60
600
80
100
6000
2.5 h
x
I
r
14
x
I
n
I
i
= 8
200
400
800
1000
2000
4000
8000
(10 min)
(1 min)
Tripping time [s]
Setting range
Tolerance t
r
[s]
2
3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
x I
r
1
0.001
0.002
0.004
0.006
0.008
0.01
0.02
0.04
0.06
0.08
0.1
0.2
0.4
0.6
0.8
1
2
4
6
8
10
20
40
60
600
80
100
6000
2.5 h
200
400
800
1000
2000
4000
8000
(10 min)
(1 min)
10 x I
n
I
i
= 6
NZM2(-4)-A...
Tripping time [s]
Setting range
Tolerance
t
r
[s]
NZM2-M...
2
3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
1
0.001
0.002
0.004
0.006
0.008
0.01
0.02
0.04
0.06
0.08
0.1
0.2
0.4
0.6
0.8
1
2
4
6
8
10
20
40
60
600
80
100
6000
2.5 h
200
400
800
1000
2000
4000
8000
(10 min)
(1 min)
x
I
r
14x
I
n
I
i
= 8
NZM1, NZM2




