5SW1-200 datasheet(4/64 Pages) SIEMENS

4 / 64 page

Description

2/4

Siemens I 2.1 · 2001

General Data

Miniature Circuit-Breakers (MCBs)

s Areas of application

s Functional design,

mode of operation

s Features

MCBs of the

N System primarily

protect cables and conductors

against overload and short

circuit. Thus, they also protect

electrical equipment against

overheating according to

DIN VDE 0100 Part 430.

Under certain conditions, MCBs

also protect against shock

currents caused by excessive

touch voltage due to insulation

failure according to

DIN VDE 0100 Part 410.

Further, due to the fixed rated

current settings of MCBs, it is

also possible to protect motors

in a limited form.

For the respective application,

there are different tripping char-

acteristics available which will

be individually described in the

catalog I 2.1 in detail.

The standards EN 60 898,

DIN VDE 0641 Part 11 and

IEC 60 898 form the basis for

the design and approval of the

MCBs.

For applications in industry and

in system and plant engineering

where MCBs of the

N System

are used, additional compo-

nents are available, such as

auxiliary switches, fault signal

contacts, shunt trips, undervolt-

age releases, RCCB modules

as well as add-on accessories

such as busbar systems and

mounting parts.

MCBs of the

N System operate

using a delayed overload

current/time-dependent thermal

release (thermal bimetal) for low

overcurrents and an instanta-

neous electromagnetic release

for higher overload and short-

circuit currents.

The special contact materials

used assure a long service life

and offer a high level of protec-

tion against contact welding.

MCBs of the

N System signifi-

cantly limit the let-through

current when a fault occurs due

to the ultra-fast contact separa-

tion and the quick quenching of

the arc in the arc-chamber.

Thus, generally, they fall below

the permissible limiting I 2t val-

ues of energy limiting class 3,

specified in DIN VDE 0641

Part 11 by 50%. This guaran-

tees excellent selectivity with

the upstream overcurrent pro-

tective devices.

• High rated breaking capacity

up to 15,000 A according to

EN 60 898

• Excellent current limiting and

selectivity

• Tripping characteristics A, B,

C and D

• Terminals are safe from finger

touch and touch by the back

of the hand

• Combined terminal allows

busbar and feeder cable to be

simultaneously connected

• Uniform additional compo-

nents, quick mounting using

snap-on and snap-in mecha-

nism on site

• Handle locking device effec-

tively prevents unauthorized

operation of the handle

Features of 5SX

• Especially suitable for mount-

ing in flat distribution boards

for building installations

Features of 5SY. ... :

• Safe and rapid connection of

the feeder cable by moving

the busbar to the back

• Identical terminals on both

ends for optional infeed from

the top or the bottom

• Mounting and dismounting

without tools

• Rapid and comfortable remov-

al from the assembly

• Variable labeling system

• Separate switch position indi-

cation

Features of 5SP4 ... :

• Disconnector characteristics

acc. to DIN VDE 0660 Part 107

• Main switch characteristics

acc. to EN 60 204

• Variable labeling system

• Can be screwed on base

• Separate switch position indi-

cator

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