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Siemens SION 3AE Series Operating Instructions Manual

Withdrawable module with vacuum circuit breaker and installation accessories
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SION
Withdrawable module with vacuum circuit breaker 3AE
and installation accessories
7.2 – 17.5 kV, 12.5 – 31.5 kA
7.2 – 17.5 kV, 40 kA
24 kV, 16 – 25 kA
OPERATING INSTRUCTIONS
2015 Siemens Industry, Inc. All rights reserved.
Order no.: 9229 0002 401 0A
Order from: EM LP IEC PL
ID 03.2016 am

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Summary of Contents for Siemens SION 3AE Series

  • Page 1 7.2 – 17.5 kV, 12.5 – 31.5 kA 7.2 – 17.5 kV, 40 kA 24 kV, 16 – 25 kA OPERATING INSTRUCTIONS Order no.: 9229 0002 401 0A Order from: EM LP IEC PL ID 03.2016 am 2015 Siemens Industry, Inc. All rights reserved.
  • Page 2 Siemens sales office. The contents of this Instruction Manual shall not become part of or modify any prior or existing agreement, commitment, or relationship.

  • Page 3: Table Of Contents

    Contents Transport/storage/packing............................. 3 Transport ................................ 3 Crane transport ............................... 5 Storage ................................6 Description................................7 Structure ................................. 7 Scope of delivery ............................8 Versions - technical data ..........................8 Rating plate ..............................8 Installation ................................9 Preparations ..............................9 Fitting the withdrawable frame ........................10 Operation ................................13 ®...
  • Page 4 Page left intentionally blank. 9229 0002 401 0A 2016-03-03...

  • Page 5: Transport/Storage/Packing

    Transport/storage/packing Transport/storage/packing DANGER Heavy Equipment. Improper lifting will cause death, serious personal injury, or equipment/property damage. Never lift a circuit breaker, fuse carriage, or cradle above person- nel. Follow instructions for use of lifting bar assembly. Use OSHA/NIOSH approved crane equipment and personal protection equipment for lifting/moving the circuit breakers and cradles.
  • Page 6 Transport/storage/packing WARNING Heavy Equipment Can cause serious personal injury. Use care when racking the breaker into the disconnect position. When a draw-out circuit breaker is mounted tilting toward the front side, it is possible that the circuit breaker may slide out on the rails. ®...

  • Page 7: Crane Transport

    Transport/storage/packing Crane transport DANGER Heavy Equipment. Improper lifting will cause death, serious personal injury, or equipment/property damage. Never lift a circuit breaker, fuse carriage, or cradle above personnel. Follow instructions for use of lifting bar assembly. Use OSHA/NIOSH approved crane equipment and per- sonal protection equipment for lifting/moving the circuit breakers and cradles.

  • Page 8: Storage

    Siemens sales office. The contents of this Instruction Manual shall not become part of or modify any prior or existing agreement, commitment, or relationship. The sales contract con- tains the entire obligation of Siemens.

  • Page 9: Description

    Description Description Structure ® Fig. 6 Withdrawable module with SION vacuum circuit breaker ® SION vacuum circuit breaker Withdrawable section Shutter operating mechanism Link 100 Withdrawable frame 110 Contact system 120 Contact arm (Ø40 mm, Ø60 mm) 130 Shutter 131 Swivel lever 140 Bushing 141 Mating contact 142 Bushing cover...

  • Page 10: Scope Of Delivery

    Description Scope of delivery Delivery includes: · ® SION vacuum circuit breaker with withdrawable section · Withdrawable frame · Contact systems and contact arms · Mating contact, bushing and bushing cover (depending on the version) · Grounding switch (optional) · System-side isolation shells (optional) ·...

  • Page 11: Installation

    Installation Installation DANGER Hazardous voltage. Will cause death, serious personal injury, or equipment/ property damage. Turn off and lock out all power supplying this device before working on this device. Replace all covers and close the enclosure door before power supplying this device is turned on.

  • Page 12: Fitting The Withdrawable Frame

    Installation Fitting the withdrawable frame Installing the withdrawable frame in the functional unit To secure the withdrawable frame (100) in the func- tional unit, Ø 6.6 mm holes can be produced in the functional unit's space in conformity with the hole pattern of the withdrawable frame's side walls, and steel L-brackets (see Fig.
  • Page 13 Installation Secure the withdrawable frame (100) in the functional unit, for example with blind rivets to ISO 15979-6.4 x 12-St/St Fig. 11 Securing the withdrawable frame (100) in the functional unit Busbars before assembly: · Use a steel brush to clean the busbar contact surface.
  • Page 14 Installation Apply Atlantic Vaseline (contact grease SN10611) to the bolts that will be utilized to bolt the busbars onto the busbar terminals (143). Firmly bolt the busbars onto the busbar terminals (143). Tightening torque for M12: 40 ±4 Nm Tightening torque applies to greased threads only. Fit the bushing covers (142) onto the bushing (140) so that they engage in the recesses (A).

  • Page 15: Operation

    Operation Operation DANGER Hazardous voltage. Will cause death, serious personal injury, or equipment/ property damage. Turn off and lock out all power supplying this device before working on this device. Replace all covers and close the enclosure door before power supplying this device is turned on.
  • Page 16 Operation ® Slide the SION vacuum circuit breaker with with- drawable section into the withdrawable frame (100) up to the side stops (large arrow); to do this, move the locking handles towards the center of the circuit breaker (small arrows). ®...

  • Page 17: Installation Accessories

    Installation accessories Installation accessories DANGER Hazardous voltage. Will cause death, serious personal injury, or equipment/ property damage. Turn off and lock out all power supplying this device before working on this device. Replace all covers and close the enclosure door before power supplying this device is turned on.
  • Page 18 Installation accessories Firmly screw threaded rods onto contact faces. Tightening torque for M12: 40 ±4 Nm M16: 100 ±10 Nm Tightening torques apply to greased threads only. Roughen the faces of the copper contact arms, – clean them and – grease them with with Atlantic Vaseline (contact grease SN10611).
  • Page 19 Installation accessories For contact arms (120) (in the case of rated operat- ≤ 1250 A), insert them with Ø 40 mm ing current I contact arm adapters in the contact system (110): Grease the contact finger in the contact sys- tem (110) with Molykote Longterm 2 Adjust the contact arm adapter in the contact system (110) with the screw, washers and nut...
  • Page 20 Installation accessories On one side (round outer edge), grease the inside of the contact system (110, on the contact fingers) with Molykote Longterm 2. In the case of contact arms (120) with Ø 60 mm (rated operating current I > 1250 A), fit contact sys- tems (110) without a contact arm adapter onto the threaded rod and contact arms (pay attention to the contact system's position: round outer edge to-...

  • Page 21: Withdrawable Frame With Grounding Switch

    Installation accessories Withdrawable frame with grounding switch Fitting the withdrawable frame with grounding switch Prepare fitting of the withdrawable frame with grounding switch as described in Section Prepara- tions, page 9. To secure the withdrawable frame with grounding switch in the functional unit, Ø 6.6 mm holes can be produced in the functional unit's space in conformity with the hole pattern of the withdrawable frame's side walls, and steel L-brackets (see Fig.
  • Page 22 Installation accessories For connection of the main conductors, busbars with geometries and dimensions shown in Fig. 28 must be used in accordance with the switch version listed in Fig. 27. Fig. 28 Busbars Fig. 29 Busbar Dimensions Table Switch version Busbar Dimensions version...
  • Page 23 Installation accessories Notice The busbars of the grounding switch must be stabilized with a bus support component. Fig. 30 Connecting busbars Operation To operate the grounding switch · Push the slider up (vertical arrow) · Insert the grounding switch handle 3AX1430- 2D (or 3AX1430-3D in the case of the 7.2 –...
  • Page 24 Installation accessories To switch on Turn the grounding switch handle 3AX1430-2D (or 3AX1430-3D) clockwise through 180°. To switch off Turn the grounding switch handle 3AX1430-2D (or 3AX1430-3D) counterclockwise through 180°. Notice Due to a built-in return lock, it is only possible to turn back the grounding switch handle when the end position has been reached and 180°...
  • Page 25 Installation accessories Interlocks Position of the vacuum circuit breaker ß Move à Remove Insert/ Disconnected po- Connected posi- sition tion remove* ü ü Circuit breaker pri- ü ü mary contacts closed Circuit breaker Circuit breaker cannot be moved cannot be moved Circuit breaker pri- ü...
  • Page 26 Installation accessories Page left intentionally blank. 9229 0002 401 0A 2016-03-03...

  • Page 27: Maintenance

    Maintenance Maintenance DANGER Risk of injury. ® Working on the withdrawable module with the SION vacuum circuit breaker activated/deactivated and with the spring energy store charged can lead to mortally serious injuries. · Disconnect the operating voltage and switch off the low-voltage supply before performing maintenance work.
  • Page 28 Maintenance Service For details of contacts for service work, consult Siemens PTD Services · Tel.: 1-800-241-4453 · on the Internet at the Web address: www.siemens.com/energy-support · by e-mail: info.us@siemens.com · or any local Siemens office. 9229 0002 401 0A 2016-03-03...

  • Page 29: Index

    Index Index Accessories ............25 Main conductor ............. 20 Assembly .............. 15 Maintenance ............25 Mass ..............8 Mating contact ..........7, 8, 18 Busbar ..........11, 12, 20, 21 Molykote Longterm 2 ......... 17, 18, 25 Busbar terminal............7 Busbar version ............
  • Page 30 Index Withdrawable module ...... 3, 5, 7, 8, 21, 22 Withdrawable section ......7, 8, 12, 13, 14 Year of manufacture ..........8 Withdrawable section handle 3AX1430-2C ... 25 Works serial number ..........8 9229 0002 401 0A 2016-03-03...
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  • Page 32 Published by Siemens Industry, Inc. 5400 Triangle Parkway Norcross, GA 30092 Technical Support: 1-800-333-7421 Customer Support: 1-888-646-8779 Email: Info.us@siemens.com 9229 0002 401 0A...

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