manual sentron-3vl 10-2004 enWYLACZNIK GLOWNY, Instrukcje, SIEMENS KATALOGI, KATALOGI, Katalog 3, chomikuj2

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Manual Edition 10/2004
Molded-case circuit-breakers
Important Information,
Contents
1
System Overview
System
2
Mounting
SENTRON VL
3
Connections
4
Manual
Construction and Operating Principle of
the Circuit-breaker
5
Application
6
Circuit Diagrams
7
Selectivity
8
Maintenance Instructions
9
Troubleshooting
Edition: 10/2004
GWA 4NEB 110 0110-02
 Safety information
This manual contains information which must be observed for your personal safety and to prevent damages
occurring. The information is indicated by a warning triangle. The different degrees of danger are listed below:
Safety information
is important information which is relevant for the acceptance test of this product and its safe installation.
Danger
means that death, severe personal injury or physical damage
will
occur if the specified warnings are not
followed.
Warning
means that death, severe personal injury or physical damage
could
occur if the specified warnings are not
followed.
Caution
means that slight personal injury or physical damage could occur if the specified warnings are not followed.
Caution
means that physical damage could occur if the specified warnings are not followed.
Attention
is important information about the product, the operation of the product or a part of the documentation to
which particular attention should be paid.
Qualified personnel
The commissioning and usage of the device may only be carried out by
qualified personnel
. Qualified
personnel in the sense of the safety information in this manual are defined as people who have permission to
commission, ground and label devices, systems and circuits according to the safety standards.
Usage in compliance with specifications
Consider the following:
Warning
The device may only be used for the applications specified in the catalog and technical documentation and
only in connection with foreign devices recommended or permitted by Siemens.
The proper and safe operation of the product requires appropriate transport, storage, installation and mounting
as well as careful commissioning and operation.
Trademarks
All the designations marked with the copyright symbol ® are registered trademarks of Siemens AG. The
remaining designations in this document may be copyrighted, and their proprietary use may infringe on the
rights of the owners.
Copyright Siemens AG 2004 All rights reserved
The transfer or reproduction of this documentation, exploitation or
communication of its contents is forbidden unless expressly
permitted. Violations will lead to compensation being sought
for damages. All rights reserved, particularly where patents or utility
patents have been granted.
Exclusion of liability
We have checked the contents of this manual with the hardware and
software described. However, variations cannot be excluded and as
such we do not take any responsibility for complete conformity. The
information in this manual is checked regularly, and required
corrections will be contained in the following editions. We are
grateful for suggestions about improvements.
Technical Assistance:
Telephone: +49 (0) 911-895-5900 (8°° - 17°° CET)
Fax: +49 (0) 911-895-5907
E-mail:
technical-assistance@siemens.com
Internet:
www.siemens.com/lowvoltage/technical-assistance
Technical Support:
Telephone:
+49 (0) 180 50 50 222
Siemens AG
Automation and Drives Department
Low-Voltage Controls and Distribution division
90327 Nuremberg, Germany
©
Siemens AG 2004
Subject to change without prior notice.
Siemens AG
         Contents
1
SENTRON VL System Overview . . . . . . . . . . . . . . . . . . .
1-1
1.1
Service conditions . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
1.2
Application overview . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
1.3
SENTRON VL overview. . . . . . . . . . . . . . . . . . . . . . . . .
1-3
1.4
Switching capacity overview . . . . . . . . . . . . . . . . . . . . . .
1-4
1.5
Technical overview . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5
1.6
Standards and specifications . . . . . . . . . . . . . . . . . . . . . .
1-7
1.7
Degree of protection . . . . . . . . . . . . . . . . . . . . . . . . . .
1-8
1.8
Application conditions . . . . . . . . . . . . . . . . . . . . . . . . .
1-9
1.8.1
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-9
1.8.2
Shock resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-9
1.8.3
Current limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-9
1.9
Derating factors at high altitudes . . . . . . . . . . . . . . . . . . . .
1-9
1.10
Derating factors for special environmental conditions . . . . . . . . .
1-10
1.10.1
Thermomagnetic overcurrent release. . . . . . . . . . . . . . . . . .
1-10
1.10.2
Thermomagnetic overcurrent release + RCD module . . . . . . . . . .
1-12
1.10.3
Electronic overcurrent release . . . . . . . . . . . . . . . . . . . . .
1-13
1.10.4
Thermomagnetic overcurrent release. . . . . . . . . . . . . . . . . .
1-14
1.11
Application in networks with different frequencies . . . . . . . . . . .
1-14
1.11.1
Influence of network frequency and harmonics on the operation of
switching devices . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-14
1.11.2
Thermal rating of the system components and conductor depending
on the network frequency . . . . . . . . . . . . . . . . . . . . . . .
1-14
1.11.3
Current carrying capacity of circuit-breakers . . . . . . . . . . . . . .
1-15
1.11.4
Usage in 16 2/3 Hz networks . . . . . . . . . . . . . . . . . . . . . .
1-15
1.11.5
Usage in 50/60 Hz networks . . . . . . . . . . . . . . . . . . . . . .
1-15
1.11.6
Circuit-breakers for 400 Hz applications . . . . . . . . . . . . . . . .
1-15
1.12
Influence of temperature and humidity on overcurrent release . . . . .
1-16
1.12.1 Thermomagnetic overcurrent release TM. . . . . . . . . . . . . . . .
1-16
1.12.2 Electronic overcurrent release ETU . . . . . . . . . . . . . . . . . . .
1-16
1.12.3 Electronic overcurrent release LCD - ETU . . . . . . . . . . . . . . .
1-16
1.13
Heat loss for fixed mounted circuit-breakers . . . . . . . . . . . . . .
1-17
1.13.1 Heat loss for thermomagnetic overcurrent releases (TM). . . . . . . .
1-17
1.13.2 Heat loss for electrical overcurrent releases (ETU/LCD ETU) . . . . . .
1-18
1.14
Circuit-breakers with differential current protection – RCD module . . .
1-18
1.15
Overcurrent release system overview . . . . . . . . . . . . . . . . .
1-23
1.15.1 Thermomagnetic overcurrent release TM VL160X . . . . . . . . . . .
1-24
1.15.2 Thermomagnetic overcurrent release TM VL160-VL630 . . . . . . . .
1-24
1.15.3 Electronic overcurrent release ETU VL160-VL1600 . . . . . . . . . . .
1-24
1.15.4 Electronic overcurrent release LCD ETU . . . . . . . . . . . . . . . .
1-26
1.15.5 Menu structure of the electronic trip unit LCD ETU . . . . . . . . . .
1-28
1.15.7 Overcurrent release system - functions overview . . . . . . . . . . .
1-32
1.16
Ground fault protection . . . . . . . . . . . . . . . . . . . . . . . . .
1-33
1.16.1 Measurement method 1: Vectorial summation . . . . . . . . . . . . .
1-33
SENTRON VL System Manual
GWA 4NEB 110 0110-02
iii
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