Siemens NXAIR - Operating the Switch-Disconnector to OPEN Position

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Operating the switch-disconnector panel

224 NXAIR / ≤ 40 kA 110-0134.9 / 14

18.7 Operating the switch-fuse combination to OPEN position

Preconditions

• Switch-fuse combination in CLOSED position

• High-voltage door closed

• For electromagnetic interlock (optional):

• Electromagnetic interlock activated

• Operating lever available

• Padlock (optional) removed from operating slide

Fig. 395: High-voltage door with

actuating opening

Fig. 396: Operating lever

Procedure

To release the actuating opening for the operating lever, push the operating slide down as far

as it will go.

Insert the operating lever slightly into the actuating opening such that the pins in the operating

lever are horizontal.

Fig. 397: Pushing the operating slide down

Fig. 398: Inserting the operating lever

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 - Operating the Switch-Disconnector to OPEN Position

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