Background Image
Table of Contents Table of Contents
Previous Page  180 / 248 Next Page
Information
Show Menu
Previous Page 180 / 248 Next Page
Page Background

E-8

Tripping curves

Compact NSX400 to 630

Protection of distribution systems

Additional characteristics

Micrologic 2.3, 5.3 and 6.3 A or E electronic trip units

Micrologic 2.3 - 250... 400 A

Micrologic 2.3 - 630 A

DB114780

.5 .

7

1

2

3 4 5

7

10

2

0 30 50

7

0 100

2

00 300

I / Ir

10 000

5 000

2

000

1 000

500

2

00

100

50

2

0

10

5

2

1

.5

.

2

.1

.05

.0

2

.01

.005

.00

2

.001

t(s)

Ii = 1

2

x In

t < 10

m

s

2

50

A

: Ir =

6

3 ...

2

50

A

400

A

: Ir = 144 ...400

A

Isd = 1.5 ...10 x Ir

DB114781

.5 .

7

1

2

3 4 5

7

10

2

0 30 50

7

0 100

2

00 300

I / Ir

10 000

5 000

2

000

1 000

500

2

00

100

50

2

0

10

5

2

1

.5

.

2

.1

.05

.0

2

.01

.005

.00

2

.001

t(s)

Ii = 11 x In

t < 10

m

s

6

30

A

: Ir =

22

5 ...

6

30

A

Isd = 1.5 ...10 x Ir

5HÀH[ WULSSLQJ

Micrologic 5.3 and 6.3 A or E - 400 A

Micrologic 5.3 and 6.3 A or E - 630 A

DB114782

.5 .

7

1

2

3 4 5

7

10

2

0 5

7

10

2

0 30 50

10 000

5 000

2

000

1 000

500

2

00

100

50

2

0

10

5

2

1

.5

.

2

.1

.05

.0

2

.01

.005

.00

2

.001

t(s)

I / Ir

I / In

0.4

0.3

0.

2

0.1

0

I²t OFF

t < 10

m

s

I²t ON

400

A

: Ir = 100 ...400

A

tr = 0.5 ...1

6

s

Isd = 1.5 ...10 x Ir

Ii = 1.5 ...1

2

In

DB114783

.5 .

7

1

2

3 4 5

7

10

2

0 5

7

10

2

0 30 50

10 000

5 000

2

000

1 000

500

2

00

100

50

2

0

10

5

2

1

.5

.

2

.1

.05

.0

2

.01

.005

.00

2

.001

t(s)

I / Ir

I / In

0.4

0.3

0.

2

0.1

0

I²t OFF

I²t ON

t < 10

m

s

6

30

A

: Ir =

22

5 ...

6

30

A

Isd = 1.5 ...10 x Ir

Ii = 1.5 ...11 In

tr = 0.5 ...1

6

s

5HÀH[ WULSSLQJ

559E5100.indd

version: 1.0