Siemens 3WN1 Series User Manual

1
Gegenseitige Verriegelung von Einschubschaltern
BG IV + III / 4
Mutual interlocking draw-out circuit-breaker
size IV + III / 4
Vorsicht!
Gefährliche elektrische Spannung!
vor Beginn der Arbeiten
Gerät spannungsfrei schalten
und gegen Wiedereinschalten sichern!
Einbau und Montage nur durch Fachpersonal!
Bei Nichtbeachtung können Tod, schwere Körper-
verletzung oder erheblicher Sachschaden die Folge
sein.
Alle Rechte vorbehalten. All rights reserved.
© Siemens AG 1999
Betriebsanleitung/Operating Instructions Bestell-Nr./Order No.: 3ZX1812-0WX31-6FN1 / 9239 9945 174 0A
Hazardous voltage!
Before starting work
isolate device
and secure against reclosing!
Only qualified personnel may perform installation
and assembly work.
Non-observance of the safety instructions and warn-
ings can result in death, severe personal injury or
property damage.
Danger!
3WN1 Z-S50
3WN1 Z-S51
3WN1 Z-S53
3WN1 Z-S54
3WN1 Z-S55
Verriegelungs
Empfänger /
Interlock receiver
Verriegelungs Geber /
Interlock transmitter
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Siemens 3WN1 Series Specifications

General

Brand	Siemens
Model	3WN1 Series
Category	Circuit breakers
Language	English

Summary

Introduction

Mutual interlocking design variants

Explains different configurations for mutual interlocking via cable pulls.

Mutual interlocking of two circuit-breakers

Details the interlocking mechanism between two circuit-breakers.

Mutual interlocking of three circuit-breakers

Describes the interlocking logic for three circuit-breakers.

Mutual interlocking of three circuit-breakers (variant)

Details a specific interlocking scenario for three circuit-breakers.

Interlocking of two circuit-breakers against a third

Explains how two breakers are interlocked against a third one.

Function Description of 2-Circuit-Breaker Interlocking

Installation

Installation Instructions for Cable Pulls

Provides guidelines for installing and adjusting interlocking cable pulls.

Fitting Cable Pulls on Transmitter Module

Details the process of attaching cable pulls to the transmitter module.

Setting Circuit-Breaker Plunger

Explains the adjustment of actuating plungers on the circuit-breaker.

Function Test

Maintenance and Repair