ABB EK6 Product Manual
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ABB EK6 Product Manual

Medium voltage earthing switch 12…40,5 kv – 25–50 ka
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P R O D U C T M A N UA L
Distribution solution
EK6 – Medium voltage earthing switch
12...40,5 kV – 25–50 kA
• Easy application in wide range of configurations
• Ability to close at high short circuits currents
• Smart grid and network automation ready
• Suitable for compact applications
• High mechanical endurance

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Summary of Contents for ABB EK6

  • Page 1 — P R O D U C T M A N UA L Distribution solution EK6 – Medium voltage earthing switch 12…40,5 kV – 25–50 kA • Easy application in wide range of configurations • Ability to close at high short circuits currents •...
  • Page 2 12-40,5 kV, short-circuit making current up to 120 kA. EK6 earth switches are perfect fit for MV UniGear panels and also for specific electricity distribution segment of OEM MV switchgear manufacturers. Earth switches...

  • Page 3: Table Of Contents

    — Table of contents Safety information General Description 006–007 Structure and function 008– 009 Operation of the Earth Swith in UniGear switchgear panel Maintenance Rules for installation Information for OEM customer Selection and ordering 014 – 024 Dimensionals drawing...

  • Page 4: Safety Information

    If you have any further questions about this with the switchgear. instruction manual, ABB's field service team will be pleased to provide the required information. We reserve all rights to this publication. Misuse,...

  • Page 5: General Description

    S A F E T Y I N F O R M AT I O N — G E N E R A L D E S C R I P T I O N — General Description — 01 EK6 Earthing Switch Safe – short circuit capability Key features The snap-action closing mechanism is indepen- •...

  • Page 6: Structure And Function

    D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A — Structure and function Earthing switches of series EK6 are determined for indoor installation and conform to the requirements of IEC 62271-102. They are fitted with snap-action operating mechanisms for positive high-speed closing and sufficiently dimensioned to conduct the rated short- circuit making current when closed under load.
  • Page 7 Bearing bracket Toggle spring Short-circuiting bridge Pair of earthing blades Earthing conductor 6) Bevel gear mechanism (not belongs to earthing switch) Actuating shaft Driver lever Setting ring 10) Earthing contact...

  • Page 8: Operation Of The Earth Swith

    D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A —...
  • Page 9 The earthing switch can also be fitted with a mo- tor drive (remote control operation.) In this case On emergency manual operation, coupling with opening and closing of the EK6 is done by electri- the motor operator is automatically released. cal drive connected with bevel gear. The earthing...

  • Page 10: Maintenance

    D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A — Maintenance Earthing switches – type EK6 Cleaning the kinematics to prevent faults on the are allowed as maximum). The electrical and —...

  • Page 11: Rules For Installation

    M A I N T E N A N C E — R U L E S F O R I N S TA L L AT I O N — Rules for installation Rules for Installation of earthing switch EK6 When installing earthing switches in switchgear panels, the following details must be taken into account to achieve perfect switching functions: •...

  • Page 12: Information For Oem Customer

    General prerequisites for OEM customer EK6 ratings in particular panels. The EK6 earthing switch can not be used as a standalone device. Operation accessories Installation of opposite vertical position of and especially frame inside the switchgear are contacts against earth switch blades will cause necessary for the proper support and function.

  • Page 13: Selection And Ordering

    I N F O R M AT I O N F O R O E M C U S TO M E R — S E L E C T I O N A N D O R D E R I N G — Selection and ordering — Type code of EK6 Earthing switch version Type designation Earthing switch ·...

  • Page 14: Dimensionals Drawing

    D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A —...
  • Page 16 D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A...
  • Page 18 D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A...
  • Page 20 D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A...
  • Page 22 D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A...
  • Page 24 D I S T R I B U T I O N S O L U T I O N E K 6 – M E D I U M V O LTA G E E A R T H I N G S W I TC H 1 2 … 4 0 , 5 K V – 2 5 – 5 0 K A...
  • Page 25 - is forbidden without purchase orders, the agreed particulars shall Czech Republic prior written consent of ABB. prevail. ABB does not accept any responsibil- Tel.: +420 547 152 021 ity whatsoever for potential errors or possi- +420 547 152 854 Copyright©...

This manual is also suitable for:

Ek6-r-1208-z-150Ek6-r-1208-p-150Ek6-1208-210Ek6-1208-275Ek6-1208-150Ek6-1212-210 ... Show all

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