Document Outline

• INDEX
• 1. Warnings
• 2. General usage conditions
  • 2.1 Transportation and storing
    • 2.2 Installation
      • 2.2.1 Operational environment
        • 2.2.2 Installation and interfaces
          • Fig. 2 Termination for grounding wire
    • 2.3 Usage
      • 2.3.1 Supply and load
        • 2.3.2 Adjusting the over current release
          • Fig. 3 Setting of the OCT unit
• 3. Technical information
  • 3.1 Introduction
    • Fig. 4 Modular construction overview
    • 3.2 Components and accessories
      • 3.2.1 Contact system
        • Fig. 5 Two types of the contact system
        • 3.2.2 Arc chute (Code 2)
        • 3.2.3 Mechanism
          • Fig. 6 Latching and tripping system
        • 3.2.4 Over current release (Code 7)
          • Fig. 7 OCT device.
        • 3.2.5 ED impulse coil release (Code 12)
          • Fig. 8 ED impulse coil with seesaw interface
        • 3.2.6 Auxiliary tripping devices (Code 11)
          • Fig. 9 Zero voltage release
        • 3.2.7 Forced tripping release (Code 13)
          • Fig. 10a Forced tripping release
            • Fig. 10b Positioning of the forced tripping pin
        • 3.2.8 Lever for manual operating (Code 16)
          • Fig. 11a Closing operation by using hand lever
            • Fig. 11b Opening operation by using hand lever
            • Fig. 11c ON/OFF operation by using a 10 mm wrench
        • 3.2.9 Auxiliary switch (Code 9)
          • Fig. 12 Auxiliary contacts layout in control box
        • 3.2.10 Indicators
          • • Fig. 13 Position indicator
            • Fig. 14 OCT trip target
            • Fig. 15 Arc chute indicator
        • 3.2.11 Solenoid closing drive (Code 3)
          • Fig. 16 Solenoid closing drive and control box
        • 3.2.12 Current measurement system (Code 6)
          • Fig. 17 SEL current measurement system
        • 3.2.13 Electronic control system
          • Fig. 18 Control box with control units
            • Fig. 19-1 NEKO control unit
            • Fig. 19-2 Voltage converter 110 V/24 V DC.
            • Fig. 19-3 SU control unit.
            • Fig. 19-4a UVR control unit
            • Fig. 19-4b- ST control unit
            • Fig. 19-4c Extinguish capacitor for direct ST supply.
            • Fig. 19-6a SEL control unit (T 35)
            • Fig. 19-6b SEL control unit (T 55)
    • 3.3 Technical data tables
• 4. Electrical circuits
  • 4.1 Controls layout
    • Fig. 20 Control system’s layout
    • 4.2 Terminals wiring system
      • Fig. 21 Typical terminals wiring system, external customer connections.
    • 4.3 Electrical diagrams
      • 4.3.1 Wiring code
        • Fig. 22 Example code shown on the nameplate.
        • Indication of components
        • 4.3.2 Controls supply circuit
          • Fig. 23 Supply with voltage converter or with direct external 24 V DC ±5%.
        • 4.3.3 ED coil with external capacity bank
          • Fig. 24 ED coil with external Capacitor trip device
        • 4.3.4 NEKO control circuit
          • Fig. 25 ED coil with internal NEKO control unit
        • 4.3.5 SU control circuit
          • Fig. 26 SU-control circuit
        • 4.3.6 Shunt trip control circuit
          • Fig. 27a ST control circuit
            • Fig. 27b Special versions of shunt trip with a single and double winding coils, directly supplied from external DC source.
        • 4.3.7 Zero voltage release control circuit
          • Fig. 28 UVR control circuit
        • 4.3.8 Indicators
          • Fig. 29 OCT trip target and arc chute indicator
        • 4.3.9 Auxiliary switch
          • Fig. 30 Auxiliary switch
        • 4.3.10 SEL measuring system
          • Fig. 31 SEL current measurement system
• 5. Dimensions & safety distances
  • 5.1 Safety distances.
    • 5.2 Outlined dimensions
      • 5.2.1 Gerapid 2607,4207, 6007 with arc chute 1x_
        • Fig. 32 Gerapid 2607- 6007, arc chute 1X (dimensions in mm and inches)
        • 5.2.2 Gerapid 2607, 4207, 6007with arc chute 2x_
          • Fig. 33 Gerapid 2607- 6007, arc chute 2x (dimensions in mm and inches)
        • 5.2.3 Gerapid 8007 with arc chute 1x_
          • Fig. 34 Gerapid 8007 with arc chute 1x (dimensions in mm and inches)
        • 5.2.4 Gerapid 8007 with arc chute 2x_
          • Fig. 35 Gerapid 8007 with arc chute 2x (dimensions in mm and inches)
        • 5.2.5 Gerapid 2607, 4207 with H / H terminals
          • Fig. 36 Gerapid 2607, 4207 with horizontal terminals (dimensions in mm and inches)
        • 5.2.6 Gerapid 2607, 4207 with V / V terminals
          • Fig. 37 Gerapid 2607, 4207 with vertical terminals (dimensions in mm and inches)
        • 5.2.7 Gerapid 6007 terminals
          • Fig. 38 Gerapid 6007 with vertical terminals (dimensions in mm)
        • 5.2.8 Gerapid 8007 terminals
          • Fig. 39 Gerapid 8007 with vertical terminals (dimensions in mm and inches)
• 6. Inspections and maintenance
  • 6.1 List of inspections
• TYPE OF THE INSPECTION
• or
  • 6.1.1 General visual inspection
  • 6.1.2 General functional inspection
  • Pay attention to the warnings, Section 1!
    • Fig. 40 Using of the hand lever
      • 6.1.3 Inspection of the arc chute
  • Pay attention to the warnings, Section 1!
  • A) Remove the arc chute
  • B) Check the arc chute
    • Fig. 41 Arc chute and arc runners fixing
    • Fig. 42 Inspection of the arc chute
      • 6.1.4 Inspection of the contact system
  • Pay attention to the warnings, Section 1!
  • A) Remove the arc chute
  • B) Remove the arc chute adapter
    • Fig. 43 Adapter and protective walls
    • Fig. 44 Checking the contact system
  • C) Check the protective walls
  • D) Check the arc runners
  • E) Check the arcing contact
  • F) Check the main contacts
  • G) Install the adapter
  • H) Install the arc chute
    • 6.1.5 Inspection of contacts’ tilt and gap
  • Pay attention to the warnings, Section 1!
  • A) Remove the arc chute and adapter
  • B) Check the tilt of the main contacts
  • C) Check the air gap of arcing contact
  • D) Install back adapter and arc chute
    • 6.1.6 Inspection of the screw connections
  • Pay attention to the warnings, Section 1!
    • 6.1.7 Inspection of the mechanical components
      • Fig. 45 Closing operation by using hand lever
      • Fig. 46 Inspection of the main contacts’ tilt
      • Fig. 47 Inspection of the arcing contact’s air gap
        • 6.2 List of maintenance works
          • Fig. a Protecting of the arcing area against falling parts
          • Fig. b Securing closing drive against opening
            • 6.2.1 Contact system (after 11/2003).
  • Pay attention to the warnings, Section 1!
  • This section is valid for breakers manufactured after 11/2003.
  • This section refers to maintenance works A, B, C from Table 4.
  • A) Remove the arc chute
  • B) Remove the arc chute adapter
  • C) Changing the protective walls, arc runners and arcing contacts
  • D) Install the adapter
  • E) Install the arc chute
    • Fig. 48 Adapter and protective walls
    • Fig. 49 Arc chute and arc runners fixing
  • • Fig. 50 Changing arcing contact.
      • 6.2.2. Contact system (before 11/2003).
  • Pay attention to the warnings, Section 1!
  • This section is valid for breakers manufactured
  • before 11/2003.
  • This section refers to maintenance works A, B, C from Table 4.
  • A) Remove the arc chute and adapter
  • C) Changing the protective walls and arc runners
    • Fig. 51 Taking out the front arc runner of old design
  • D) Changing the arcing contact
    • Fig. 52-1 Unscrew cooper braid
    • Fig. 52-2 Remove safety ring
    • Fig. 52-3 Remove axis pin
    • Fig. 52-4 Replace arcing contact
    • Fig. 52-5 Tighten braid’s screws by means of hand
    • Fig. 52-6 Tighten braid’s screws with torque of 10Nm
      • 6.2.3 Layout of control PCB inside control box
        • Fig. 53 Control box inside (w/o SEL unit)
        • Fig. 54 Control box inside (with SEL unit)
          • 6.2.4 Replacement of the control boards
            • Fig. 55-1 Unscrew and remove all the external plugs
            • Fig. 55-2 Unscrew four bolts of the box cover
            • Fig. 55-3 Carefully lower the box cover
            • 6.2.5 Adjusting the auxiliary switch
        • 6.3 Spare parts lists.
          • 6.3.1 Mechanical spare parts.
            • 6.3.2 Electrical spare parts.
            • 6.3.3 Recommend materials for selected works.
  • Work to do.
    • 7. Customer support
      • 7.1 Options overview.
        • 7.2 Ordering.
          • 7.2.1 Example of order no. 1
            • 7.2.2 Example of order no. 2
            • 7.2.3 Example of order no. 3
        • 7.3 Glossary
        • 7.4 Troubleshooting
  • A) Closing drive doesn't operate electrically but it is still possible to close the breaker manually by mean of the hand lever.
  • B) Closing drive operates electrically, but it is not possible to keep contacts closed.
  • A) Shunt trip does not operate. Breaker is able to CLOSE and OPEN by means of hand lever.
  • B) Zero voltage release does not operate. Breaker is able to CLOSE and OPEN by means of hand lever.
  • C) ED impulse releasedoes not operate. Breaker is able to CLOSE and OPEN by means of hand lever.
    • 7.5 GE service teams
    • 7.6 Notes