Siemens NXAIR User Manual

4 NXAIR / ≤ 40 kA 110-0134.9 / 14
Content
1 Safety instructions ................................................................................................................................... 3
2 General instructions ................................................................................................................................. 9
2.1 General instructions ........................................................................................................................................ 9
2.2 Five Safety Rules of Electrical Engineering .................................................................................................... 9
2.3 Hazardous substances ................................................................................................................................... 9
2.4 Personal protective equipment (PPE) ............................................................................................................10
2.5 Due application ..............................................................................................................................................10
2.6 Qualified personnel ........................................................................................................................................10
2.7 Update of the firmware of protection relays....................................................................................................11
3 Features ................................................................................................................................................... 12
4 Technical data ......................................................................................................................................... 13
4.1 Complete switchgear .....................................................................................................................................13
4.2 Basic prescriptions and standards .................................................................................................................13
4.3 Electromagnetic compatibility – EMC .............................................................................................................14
4.4 Rating plates ..................................................................................................................................................14
4.5 IAC classification ............................................................................................................................................14
4.6 Panel dimensions ...........................................................................................................................................15
4.7 Room planning ...............................................................................................................................................17
4.8 Operating conditions ......................................................................................................................................17
4.9 Vacuum circuit-breaker type 3AE ...................................................................................................................17
4.10 Operating instructions for circuit-breaker type 3AE ........................................................................................18
4.11 Contactor type 3TL and 3TM ..........................................................................................................................18
4.12 Operating instructions for contactor type 3TL8 and 3TM3 .............................................................................19
4.13 Switch-fuse combination type L-TRI 5F ..........................................................................................................20
4.14 Operating instructions for switch-fuse combination L-TRI 5F .........................................................................20
5 Overview of panel types ........................................................................................................................ 21
6 Panel design ........................................................................................................................................... 25
6.1 Basic design ...................................................................................................................................................25
6.2 Basic design circuit-breaker panel .................................................................................................................26
6.3 Basic design circuit-breaker panel with forced ventilation ..............................................................................26
6.4 Basic design contactor panel with panel width 435 mm .................................................................................27
6.5 Basic design contactor panel with panel width 600 mm .................................................................................27
6.6 Basic design switch-disconnector panel ........................................................................................................28
7 Interlocks ................................................................................................................................................. 29
7.1 Mechanical interlocks in panel versions with withdrawable parts ...................................................................29
7.2 Mechanical interlocks in panel versions with switching-device trucks ............................................................30
7.3 Mechanical interlocks in panel versions with switch-fuse combination ..........................................................30
7.4 Additional electromagnetic interlocks (optional) .............................................................................................31
7.5 Additional padlock interlock (optional) ............................................................................................................31
7.6 Additional key-operated interlock (optional) ...................................................................................................32
8 Accessories ............................................................................................................................................ 33
8.1 Operating tools ...............................................................................................................................................33
8.2 Service truck ..................................................................................................................................................35
8.3 Service truck versions ....................................................................................................................................35
9 Customer support .................................................................................................................................. 38
9.1 Service ...........................................................................................................................................................38
9.2 Repairs...........................................................................................................................................................38
9.3 Before you call ...............................................................................................................................................38
9.4 Service contact ..............................................................................................................................................38
10 Operating the circuit-breaker panel ...................................................................................................... 39
10.1 Control elements at the front side of the panel ...............................................................................................39
10.2 Position indicators visible on high-voltage door .............................................................................................40
10.3 Access to compartments ................................................................................................................................40
10.4 Opening the high-voltage door .......................................................................................................................41
10.5 Closing the high-voltage door ........................................................................................................................42
10.6 High-voltage door with ventilation flap ...........................................................................................................44
10.7 Positions of the withdrawable circuit-breaker / circuit-breaker truck ...............................................................46
10.8 Racking the withdrawable circuit-breaker / circuit-breaker truck to service position .......................................47

Siemens NXAIR Specifications

General

Brand	Siemens
Model	NXAIR
Category	Industrial Equipment
Language	English