Siemens NXAIR - Page 317

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Accessing the connection compartment through the front

110-0134.9 / 14 NXAIR / ≤ 40 kA 317

Remove the partition (3), and store it.

Fig. 587: 15 bolted joints on partition

If required, immediately bend dented links back into the correct position.

✓

Access to the connection compartment through the panel front is given.

Main Page

1 Safety Instructions3
- Table of Contents4
2 General Instructions9
- Five Safety Rules of Electrical Engineering9
- Hazardous Substances9
- Personal Protective Equipment (PPE)10
- Due Application10
- Qualified Personnel10
- Update of the Firmware of Protection Relays11
3 Features12
4 Technical Data13
- Complete Switchgear13
- Basic Prescriptions and Standards13
- Electromagnetic Compatibility - EMC14
- Rating Plates14
- IAC Classification14
- Panel Dimensions15
- Room Planning17
- Operating Conditions17
- Vacuum Circuit-Breaker Type 3AE17
- Operating Instructions for Circuit-Breaker Type 3AE18
- Contactor Type 3TL and 3TM18
- Operating Instructions for Contactor Type 3TL8 and 3TM319
- Switch-Fuse Combination Type L-TRI 5F20
- Operating Instructions for Switch-Fuse Combination L-TRI 5F20
5 Overview of Panel Types21
6 Panel Design25
- Basic Design25
- Basic Design Circuit-Breaker Panel26
- Basic Design Circuit-Breaker Panel with Forced Ventilation26
- Basic Design Contactor Panel with Panel Width 435 MM27
- Basic Design Contactor Panel with Panel Width 600 MM27
- Basic Design Switch-Disconnector Panel28
7 Interlocks29
- Mechanical Interlocks in Panel Versions with Withdrawable Parts29
- Mechanical Interlocks in Panel Versions with Switching-Device Trucks30
- Mechanical Interlocks in Panel Versions with Switch-Fuse Combination30
- Additional Electromagnetic Interlocks (Optional)31
- Additional Padlock Interlock (Optional)31
- Additional Key-Operated Interlock (Optional)32
8 Accessories33
- Operating Tools33
- Service Truck35
- Service Truck Versions35
9 Customer Support38
- Service38
- Repairs38
- Before You Call38
- Service Contact38
10 Operating the Circuit-Breaker Panel39
- Control Elements at the Front Side of the Panel39
- Position Indicators Visible on High-Voltage Door40
- Access to Compartments40
- Opening the High-Voltage Door41
- Closing the High-Voltage Door42
- High-Voltage Door with Ventilation Flap44
- Positions of the Withdrawable Circuit-Breaker / Circuit-Breaker Truck46
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Service Position47
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Test Position50
- Closing the Circuit-Breaker Electrically53
- Opening the Circuit-Breaker Electrically54
- Closing the Circuit-Breaker Manually55
- Opening the Circuit-Breaker Manually58
- Discharging the Spring Energy Store60
- Charging the Spring Energy Store Manually61
- Earthing the Feeder Manually64
- Earthing the Feeder Manually66
- Removing the Low-Voltage Connector69
- Plugging on the Low-Voltage Connector70
- Taking the Withdrawable Circuit-Breaker out of the Panel72
- Inserting the Withdrawable Circuit-Breaker in a Panel77
- Taking the Circuit-Breaker Truck out of the Panel86
- Inserting the Circuit-Breaker Truck in a Panel89
11 Operating the Disconnecting Panel98
- Control Elements at the Front Side of the Panel98
- Position Indicators Visible on High-Voltage Door98
- Access to Compartments99
- Opening or Closing the High-Voltage Door99
- Racking the Withdrawable Disconnector Link / Disconnector Truck99
- Removing or Plugging on the Low-Voltage Connector101
- Taking the Withdrawable Disconnector Link / Disconnector Truck out of a Panel or Inserting in a Panel101
- Earthing or De-Earthing the Feeder Manually101
- Design of the Withdrawable Disconnector Link / Disconnector Truck101
12 Operating the Metering Panel102
- Control Elements at the Front Side of the Panel102
- Position Indicator Visible on High-Voltage Door102
- Access to Compartments103
- Opening or Closing the High-Voltage Door103
- Racking the Withdrawable Metering Part / Metering Truck103
- Removing or Plugging on the Low-Voltage Connector103
- Taking the Withdrawable Metering Part / Metering Truck out of the Panel or Inserting in a Panel104
- Replacing Protection Fuse-Links104
13 Operating the Contactor Panel with Panel Width 435 MM109
- Control Elements at the Front Side of the Panel109
- Position Indicator Visible on High-Voltage Door110
- Access to Compartments110
- Opening the High-Voltage Door110
- Closing the High-Voltage Door111
- Positions of the Contactor Truck113
- Racking the Contactor Truck to Service Position114
- Racking the Contactor Truck to Test Position116
- Closing the Contactor Electrically118
- Opening the Contactor Electrically118
- Opening the Contactor Manually119
- Manual Emergency Opening of the Contactor121
- Operating Conditions Without Auxiliary Voltage122
- Earthing the Feeder Manually125
- Earthing the Feeder Manually127
- Taking the Contactor Truck out of the Panel129
- Inserting the Contactor Truck in a Panel133
- Replacing HV HRC Fuse-Links138
- Motor Starting Currents146
- Coordinating the Components of the Motor Circuit146
14 Operating the Contactor Panel with Panel Width 600 MM148
- Control Elements at the Front Side of the Panel148
- Position Indicators Visible on High-Voltage Door149
- Access to Compartments149
- Opening the High-Voltage Door150
- Closing the High-Voltage Door151
- Positions of the Contactor Truck153
- Racking the Contactor Truck to Service Position154
- Racking the Contactor Truck to Test Position157
- Closing the Contactor Electrically160
- Opening the Contactor Electrically161
- Opening the Contactor Manually162
- Operating Conditions Without Auxiliary Voltage164
- Earthing the Feeder Manually169
- Earthing the Feeder Manually171
- Removing the Low-Voltage Connector173
- Plugging O the Low-Voltage Connector175
- Taking the Contactor Truck out of the Panel177
- Inserting the Contactor Truck in a Panel180
- Replacing HV HRC Fuse-Links190
- Motor Starting Currents198
- Coordinating the Components of the Motor Circuit198
- Replacing Protection Fuse-Links for the Control Transformer199
15 Operating the Busbar Connection Panel Type I203
- Control Elements at the Front Side of the Panel203
- Position Indicator Visible on High-Voltage Door203
- Access to Compartments204
- Opening or Closing the High-Voltage Door204
- Racking the Withdrawable Metering Part / Metering Truck204
- Removing or Plugging on the Low-Voltage Connector204
- Taking the Withdrawable Metering Part / Metering Truck out of a Panel or Inserting in a Panel205
- Replacing Protection Fuse-Links205
16 Operating the Busbar Connection Panel Type II210
- Panel Front210
- Opening the High-Voltage Door210
- Closing the High-Voltage Door211
17 Operating the Busbar Current Metering Panel213
- Panel Front213
- Opening the High-Voltage Door213
- Closing the High-Voltage Door214
18 Operating the Switch-Disconnector Panel216
- Control Elements at the Front Side of the Panel216
- Position Indicators Visible on High-Voltage Door217
- Access to Compartments217
- Opening the High-Voltage Door217
- Closing the High-Voltage Door219
- Operating the Switch-Fuse Combination to CLOSED Position221
- Operating the Switch-Disconnector to OPEN Position224
- Operating Lever for Earthing Switch226
- Earthing the Feeder Manually227
- Earthing the Feeder Manually230
- Replacing HV HRC Fuse-Links233
19 Operating the Removable Voltage Transformers239
- Control Elements on the Door to the Voltage Transformer Compartment239
- Opening the Door to the Voltage Transformer Compartment239
- Closing the Door to the Voltage Transformer Compartment241
- Racking the Removable Voltage Transformers to Service Position242
- Racking the Removable Voltage Transformers to Test Position246
- Taking the Removable Voltage Transformers out of the Panel249
- Inserting the Removable Voltage Transformers in a Panel253
- Replacing Protection Fuse-Links258
20 Verifying Safe Isolation from Supply265
- Application of Voltage Indicators265
- Overview of Voltage Indicating Systems265
- LRM System Overview266
- Verifying Proper Functioning of LRM-ST Voltage Indicator267
- Verifying Safe Isolation from Supply with the LRM Device System268
- CAPDIS and VOIS Systems Overview269
- Verifying Safe Isolation from Supply with the CAPDIS or VOIS Device System272
- Supplier Information272
21 Earthing and De-Earthing the Busbar System273
- Earthing the Busbar System Manually273
- Earthing the Busbar System Manually278
22 Operating the Shutters283
- Operating the Shutter to the Busbar Compartment in the Switching-Device Compartment283
- Operating the Shutter to the Connection Compartment in the Switching-Device Compartment286
- Operating the Shutter to the Busbar Compartment in the Contactor Panel with Panel Width 435 MM289
- Operating the Shutter to the Connection Compartment in the Contactor Panel with Panel Width 435 MM293
23 Accessing the Connection Compartment through the Front298
- Preparations before Accessing the Connection Compartment298
- Accessing the Connection Compartment through the Switching-Device Compartment302
- Installing the Vertical Partition in the Switching-Device Compartment307
- Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Ventilation System Type I313
- Installing the Vertical Partition and the Ventilation Duct Type I in the Switching-Device Compartment318
- Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Ventilation System Type II324
- Installing the Vertical Partition and the Ventilation Duct Type II in the Switching-Device Compartment329
- Accessing the Connection Compartment through the Switching-Device Compartment at Panel Versions with Voltage Transformer Compartment333
- Installing the Bushing Plate, the Vertical Partition and the Voltage Transformer Compartment in the Switching-Device Compartment339
24 Accessing the Connection Compartment through the Rear347
- Accessing the Connection Compartment through the Rear Side of the Panel347
- Installing the Rear Wall on the Connection Compartment353
- Accessing the Connection Duct through the Rear Side of the Panel359
- Installing the Rear Walls on the Connection Duct362
25 Key-Operated Interlocks365
- Key-Operated Interlocks for the Withdrawable Part / Switching-Device Truck365
- Key-Operated Interlocks for the Busbar Earthing Switch368
26 Fitting the Earthing Device370
- Design, Application and Inspection of the Earthing Device Accessories370
- Connecting the Earthing Device371
- Removing the Earthing Device378
27 Panels with Motor Operating Mechanism Control382
- Overview of Functionality382
- Opening the Control Door386
- Closing the Control Door387
- Selecting Manual Operation for Racking388
- Selecting Electrical Operation for Racking390
- Selecting Interlocking391
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Service Position Manually394
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Service Position Electrically397
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Test Position Manually398
- Racking the Withdrawable Circuit-Breaker / Circuit-Breaker Truck to Test Position Electrically402
- Opening the Circuit-Breaker Manually403
- Closing the Circuit-Breaker Manually404
- Charging / Discharging the Spring Energy Store Manually405
- Earthing / De-Earthing the Feeder Manually407
- Earthing / De- Earthing the Feeder Electrically409
- Earthing / De-Earthing the Busbar System Manually410
- Earthing / De- the Busbar System Electrically410
- Further Operating Options411
- Technical Data / Operating Times412
- Fault Indication and Fault Evaluation413
28 Panel Heater414
- Heater Versions414
- Mechanical Temperature Controllers414
- Electronic Temperature and Humidity Controller415
- Applications for Temperature Controller415
29 Service Information417
- Maintenance417
- Time Schedule for Maintenance Measures417
- Visual Inspection418
- Preventive Maintenance419
- Lubricants to be Used421
- Overpressure Monitors (Optional), Function Test422
- Maintenance of Fan(S) for Forced Ventilation425
- Switchgear Extension425
- Spare Part Orders425
- Replacement of Panels and Components425
- Disposal426
30 Trouble Shooting427
- Panels with Withdrawable Part427
- Panels with Switching-Device Truck429
- Panels with Switch-Fuse Combination431
31 Index432

Siemens NXAIR - Page 317

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