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Siemens SENTRON 3VL User Manual

Siemens SENTRON 3VL
360 pages
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Switching/protection devices
3VL molded-case circuit breakers
System Manual
03/2009
SENTRON
Answers for industry.

Table of Contents

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Siemens SENTRON 3VL Specifications

General IconGeneral
Device CategoryCircuit Breaker
SeriesSENTRON 3VL
Breaking Capacityup to 100 kA
Poles1, 2, 3, 4
Rated Voltage (Ue)690 V
Trip Unit TypeElectronic, Thermal-magnetic
MountingFixed, Draw-out
Protection TypeOverload, Short-circuit
Protection FunctionsOverload, Short-circuit
StandardsIEC 60947-2

Summary

About this document

1.1 Introduction

Explains the manual's purpose and target audience.

Product-specific information

2.1 Important notes

Covers product validity, standards compliance, and liability disclaimer.

Product description

3.1 SENTRON VL overview

Provides a general overview of SENTRON VL circuit breakers and their types.

3.2 Application overview

Details common applications for SENTRON VL circuit breakers.

3.3 Configuration

Explains functional principles, current limiting, and subdivisions by power ranges.

3.4 Mechanical operating mechanisms

Describes toggle handle, rotary, and door-coupling rotary operating mechanisms.

System overview

4.1 Possible applications

Lists potential applications for SENTRON VL circuit breakers.

4.2 Key data

Presents comprehensive technical data.

Functions

5.1 Current protection

Explains overcurrent trip units and their types.

5.2 Voltage protection

Details voltage protection functions like undervoltage and shunt releases.

Application planning

6.1 Use with frequency converters

Covers the combination of circuit breakers with frequency converters.

6.6 Use in the motor protection area

Explains the application of circuit breakers for motor protection.

6.7 Use in harsh environments

Provides guidance on using circuit breakers in harsh environments and derating factors.

Installing/mounting

7.1 Installation methods

Overviews different installation methods: fixed, plug-in, and withdrawable.

7.2 Mounting and safety clearances

Details mounting positions and safety clearances.

7.3 Locking devices

Explains locking devices for mechanisms.

Connecting

8.1 Cables and busbars

Covers connection methods using cables and busbars.

8.2 Main connection types for fixed mounting

Describes main conductor connections for fixed-mounted versions.

8.3 Main connection methods for plug-in and withdrawable version

Details connection methods for plug-in and withdrawable versions.

8.6 Description of the terminals

Lists positions and functions of separate terminals.

Displays and operator controls

9.1 Overcurrent trip unit without LCD display

Explains setting options for trip units without LCD.

9.2 Overcurrent trip unit with LCD display

Details features and settings for LCD-equipped trip units.

Parameter assignment/addressing

10.1 Setting the parameters

Covers setting parameters for ETUs and characteristic curves.

Service and maintenance

11.1 Preventive measures

Outlines maintenance intervals, inspection steps, and safety precautions.

11.2 Troubleshooting

Provides guidance on resolving common circuit breaker issues.

Technical data

12.1 Technical overview

Lists operating data, dimensions, tripping methods, and capacities.

12.2 Configuration of main connections

Details terminal configurations and dimensions.

12.3 Switching capacity overview

Presents switching capacities for various applications.

12.5 Derating factors

Provides derating factors for altitudes, ambient temperatures, and trip unit types.

12.10 Motor Protection

Lists characteristic values for motor protection with different trip classes.

Dimensional drawings

13.1 VL160X (3VL1), VL160 (3VL2), and VL250 (3VL3), 3- and 4-pole, to 250 A

Provides dimensional drawings for VL160X, VL160, VL250 breakers and accessories.

13.2 VL400 (3VL4), 3- and 4-pole, up to 400 A

Presents dimensional drawings for VL400 breakers and accessories.

13.3 VL630 (3VL5), 3- and 4-pole, up to 630 A

Details dimensional drawings for VL630 breakers and accessories.

13.4 VL800 (3VL6), 3- and 4-pole, up to 800 A

Covers dimensional drawings for VL800 breakers and accessories.

13.5 VL1250 (3VL7) and VL 1600 (3VL8), 3- and 4-pole, up to 1600 A

Provides dimensional drawings for VL1250 and VL1600 breakers and accessories.

13.7 VL160X (3VL1) with RCD block, 3- and 4-pole, up to 160 A

Provides dimensional drawings for VL160X with RCD blocks and accessories.

13.8 VL160 (3VL2) and VL250 (3VL3) with RCD module, 3- and 4-pole, to 250 A

Details dimensional drawings for VL160/VL250 with RCD modules and accessories.

13.9 VL400 (3VL4) with RCD module, 3- and 4-pole, up to 400 A

Covers dimensional drawings for VL400 with RCD modules and accessories.

Circuit diagrams

Figure 14-1 Connection diagram for VL160X-VL630

Shows connection diagram for VL160X-VL630 with thermomagnetic trip units.

Figure 14-2 Internal circuit diagram for VL160-VL250

Illustrates internal circuit diagram for VL160-VL250 with electronic trip units.

Figure 14-11 4-pole 3VL1 with RCD module

Illustrates circuit diagram for 4-pole 3VL1 with RCD module.

Spare parts/accessories

15.1 Installation

Lists available safety accessory parts for installation.

15.2 Electromechanical components

Describes electromechanical accessories.

15.3 Mechanical components

Covers mechanical accessory parts.

15.4 Electrical/electronic engineering

Details electrical/electronic accessories.

ESD guidelines

A.1 ESD Directive

Explains ESD meaning and handling precautions.

Appendix

B.1 Selectivity

Provides information on calculated selectivity limits.

B.3 Standards and specifications

Details standards and certifications.

B.4 Ordering data

Describes the order number scheme (MLFB).

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