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19/64 Circuit-breakers, fuses

Let-through characteristics miniature circuit-breakers

2010 CA08103002Z-EN

www.eaton.com

Let-throughcharacteristics fuse links

Fuse links

Z-DO.../S...

Let-through current

Time/current characteristics

LV h.b.c. fuse links

Z-NH-...

Let-through current

Time/current characteristics

2

I

P

2

I

P

2

20

10

4

2

1

0.4

0.2

0.1

0.1

0.2

0.4

1

2

4

10

20

100

2

4

6

10

16

20

25

35

50

63

Possible peak short-circuit currents With large DC element

Without DC element

Let-through current

I

D

in kA

Short-circuit current

I

P

in kA

Rated current

I

N

in A

10

3

10

2

10

1

10

0

10

-1

10

-2

10-

3

2

4

10

1

2

4

10

2

2

4

10

3

2

4

10

4

2

4 6 10 16202535 50 63

Fusing time in s

Unconditional current

I

P

in A

Rated current

I

N

in A

2

I

P

2

I

P

2

2

4

6

10

16

50

80

35

25

125

200

315

500

10

5

10

4

10

3

10

2

10

1

2

4

6

2

4

6

2

4

6

2

4

6

2 4 6 10

2

10

1

2 4 6 10

3

2 4 6 10

4

2 4 6 10

5

Possible peak short-circuit currents With large DC element

Without DC element

Let-through current

I

D

in kA

Short-circuit current

I

P

in kA

Rated current

I

N

in A

10

-1

2

6

4

10

0

2

6

4

10

1

2

6

4

10

2

2

6

4

10

3

2

6

4

2

4

4

6

10

-2

6 4

10

1

10

2

2 4 6

10

3

2 4 6

10

4

2 4

2 4

6

2 4 6 10 16 25 40 63 100 160

20 32 50 80 125 200

250

315

400

500

630

Fusing time in s

Unconditional current

I

P

in A

Rated current

I

N

in A

Z-DO, Z-NH