5SW1-200 datasheet(7/64 Pages) SIEMENS

7 / 64 page

Description

2/7

Siemens I 2.1 · 2001

General Data

Miniature Circuit-Breakers (MCBs)

s Tripping characteristics acc. to EN 60 898, DIN VDE 0641 Part 11

Tripping characteristic A

• For limited semiconductor

protection

• Protection of measuring cir-

cuits with transformers

• Protection of circuits with long

cable lengths which will re-

quire tripping within 0.4 s acc.

to DIN VDE 0100 Part 410

Tripping characteristic B

• Cable and line protection

mainly in residential buildings,

proof regarding shock-hazard

protection is not necessary

Tripping characteristic C

• Cable and line protection, ad-

vantageous in case of higher

inrush currents, e.g. lamps,

motors etc.

Tripping characteristic D

• The tripping range has been

matched to applications in-

volving equipment generating

significant pulses (transform-

ers, solenoid valves)

I2-6663b

3 4

6 8 10

20 30

1,5

0,2

0,1

0,01

0,02

0,04

0,06

0,4

0,6

120

1,13 1,45

Multiple of rated current

3 4

6 8 10

20 30

1,5

I2-6352c

1,13 1,45

0,2

0,1

0,01

0,02

0,04

0,06

0,4

0,6

120

Multiple of rated current

6 8 10

1,5

I2_06353c

0,2

0,1

0,01

0,02

0,04

0,06

0,4

0,6

120

1,13 1,45

Multiple of rated current

6 8 10

1,5

I2_06354c

0,2

0,1

0,01

0,02

0,04

0,06

0,4

0,6

120

1,13 1,45

Multiple of rated current

At other ambient temperatures,

the currents of the delayed trip-

ping change by approximately

5 % for each 10 K temperature

difference. More specifically

they increase for temperatures

below 30°C and decrease for

temperatures above 30° C.

For DC, the limit currents of the

instantaneous tripping increase

by a factor of 1.2.

If more than one circuit in a

series of MCBs is loaded, this

has an impact on the character-

istic as a result of an increased

ambient temperature.

In this case, an additional cor-

rection factor must be applied,

referred to the rated miniature

circuit-breaker current.

Number

2 - 3

4 - 6

> 7

Correction factor K

1.00

0.90

0.88

0.85

i21_01.fm Seite 7 Mittwoch, 20. Juni 2001 10:09 10

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