Table Of Contents - Siemens 3AH41 Operating Instructions Manual

Vacuum circuit-breaker

Table of Contents

................................................................................................................................................... 2

Transport, storage and packing

Transport ............................................................................................................................................................. 5

Unpacking (I) ....................................................................................................................................................... 6

Unpacking (II) .................................................................................................................................................... 10

Reusing the transport unit ................................................................................................................................. 13

Storage ............................................................................................................................................................. 13

General information

Range of application ......................................................................................................................................... 15

Standards .......................................................................................................................................................... 16

Design approval as per X-Ray Ordinance ........................................................................................................ 16

Scope of delivery .............................................................................................................................................. 16

Description

........................................................................................................................................................ 17

Design ............................................................................................................................................................... 17

Locking devices ................................................................................................................................................ 30

Rating plate ....................................................................................................................................................... 33

Technical data ................................................................................................................................................... 33

Ambient conditions ............................................................................................................................................ 34

Installation altitudes .......................................................................................................................................... 34

Switching times ................................................................................................................................................. 35

Circuit diagrams ................................................................................................................................................ 36

Mounting

............................................................................................................................................................. 43

Attachment in the switching cubicle .................................................................................................................. 43

Earthing ............................................................................................................................................................. 45

Electrical connection of the prime conductor .................................................................................................... 46

Operation

............................................................................................................................................................ 49

Commissioning ................................................................................................................................................. 49

First closing operation ....................................................................................................................................... 50

Closing .............................................................................................................................................................. 51

Opening ............................................................................................................................................................ 51

Maintenance

...................................................................................................................................................... 53

Maintenance and servicing ............................................................................................................................... 53

Maintenance plan .............................................................................................................................................. 54

Interrupter service life ....................................................................................................................................... 58

Accessories and spare parts ............................................................................................................................. 58

Manufacturer's product liability .......................................................................................................................... 59

Disposal ............................................................................................................................................................ 59

Service .............................................................................................................................................................. 59

Index of keywords

Legend for all pages

Note

Sections with Addendum (I) or (II)

Sections with Addendum (I) are about the standard equipment. Sections with Addendum (II) refer to vacuum cir-

cuit-breakers of the type 3AH4305-7/8 and 306-7/8. If no Addendum is used, the information applies to all vacuum

circuit-breakers3AH4.

9229 9862 176 0D

2013-08-28

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