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Siemens 3wl

Siemens 3wl
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Totally Integrated Power – SENTRON
Air Circuit Breakers
siemens.com/lowvoltage
Configu-
ration
Manual
Edition
10/2014
PH_01_2014_umschlag_en.indd 3PH_01_2014_umschlag_en.indd 3 30.01.2015 08:10:1730.01.2015 08:10:17
© Siemens AG 2015
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Siemens 3wl Specifications

General IconGeneral
BrandSiemens
Model3wl
CategoryPower Tool
LanguageEnglish

Summary

Introduction

Overview

Provides a general overview of 3WL air circuit breakers and their features.

Communication-capable Circuit Breakers

Details on circuit breakers with specific electronic trip units for communication.

General Data

Design

Covers the physical and mechanical aspects of the circuit breakers, including sizes and connections.

Safety and Reliability

Explains safety features, locking devices, and operational reliability aspects.

Function

Describes the protective and operational functions of the electronic trip units.

Electronic Trip Units (ETU)

Details various ETU types, their features, and applications.

Measurement Method

Explains how measurements are taken for ground-fault protection.

3 WL Circuit Breakers for DC Applications

Covers specific considerations and components for DC applications.

Communication-capable Circuit Breakers

Illustrates communication architectures and data transmission capabilities.

CubicleBUS Modules

Describes the functions and types of CubicleBUS communication modules.

Auxiliary Releases

Details the functionality of shunt, undervoltage, and other auxiliary releases.

Protection Functions

Provides a detailed overview of all protection functions and their parameterization.

Technical Specifications

Breaking Capacity (AC)

Tables detailing the breaking capacity for AC circuit breakers across different sizes.

Breaking Capacity (DC)

Tables detailing the breaking capacity for DC circuit breakers.

Project Planning Aids

Characteristic Curves

Illustrates the tripping characteristics of various electronic trip units.

Dimensional Drawings

Provides detailed drawings and dimensions for circuit breakers and accessories.

Circuit Diagrams

Shows terminal assignments and functional diagrams for circuit breaker connections.

More Information

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