Eaton Industrial Switchgear - XEnergy XPole Energy distribution, switching and protection

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Circuit-breakers, switch-disconnectors
Construction size 2, 3: tripping characteristics
2010 CA08103002Z-EN
17/155
Construction size 2, 3: trippingcharacteristicsSystems, cable, selectivity and generator protection with NZM2 Motor protection with NZM2
System and line protection with NZM3
Notes With the free CurveSelect software you can quickly and easily create detailed representations of individual settings:
Products & Solutions > Power Distribution > Switching and Protecting Power Distribution > CurveSelect: Characteristics program
Characteristics for Ir = 1,0 x In
Tripping time [s]
1000
750
500
300
200
100
60
20
2 3 4 5 6 7 8 910
0
Ii = 12 x In
Isd = x Ir
tsd [ms]
20
t r [s]
17
14
10
6
8
4
2
2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
x Ir
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)
NZM2(-4)-VE...
2 3 4 5 6 8 10 1214 Ii = x Ir
20
tr [s]
17
14
10
6
8
4
2
NZM2-ME...
2 3 4 5 6 7 8 910 15 20 30 40 50 60 70 80 100
x Ir
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)
Tripping time [s]
Characteristics for Ir = 1,0 x In
Tripping time [s]
Setting range
Tolerance
tr [s]
Characteristics for Ir = 1,0 x I n
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
10x In
NZM3(-4)-A...
I i = 6
(10 min)
(1 min)
Tripping time [s]
Characteristics for Ir = 1,0 x In
65 4 3 2 7 8 9 11 250 A, 400 A x In Ii =
6 3.5 2.5 3 2 8 5 4 7 630 A Ii = x In
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)
NZM3(-4)-AE...
NZM2, NZM3