Model 6 Motor Control Centers – Instruction Bulletin PDF
80459-641-01, Rev. 10

Appendix A—Removal and Installation of Horizontal Bus Barrier Panels

This appendix contains installation and removal instructions for the horizontal bus barrier panels in 15 in. (381 mm) and 20 in. (508 mm) deep Model 6 Motor Control Centers manufactured by Schneider Electric.

DANGER
Hazard of Electric Shock, Explosion, or Arc Flash
  • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, NOM-029-STPS, CSA Z462, or local equivalent.
  • This equipment must only be installed and serviced by qualified electrical personnel.
  • Turn off all power supplying this equipment before working on or inside equipment.
  • Always use a properly rated voltage sensing device to confirm power is off.
  • Replace all devices, doors, and covers before turning on power to this equipment.
Failure to follow these instructions will result in death or serious injury.

Removal

  1. Turn off all power supplying this equipment before working on or inside the equipment and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.

  2. With one hand, slide the left panel to the right until it unsnaps from the right panel.

  3. Align the arrows on the left panel and top track as shown in Aligning the Arrows on the Panels. Lift the panel out of the bottom track and remove the panel.

    Aligning the Arrows on the Panels

  4. Align the arrows on the right panel and top track as shown in Aligning the Arrows on the Panels. Lift the panel out of the bottom track and remove the panel.

Installation

NOTE: The horizontal bus barrier contains two identical panels with arrows at the top. The “handle” on the left panel faces the front of the MCC section. The “handle cavity” on the right panel faces the front of the MCC section (see Right Panel (Side View)).

Right Panel (Side View)

Wireway Area

Horizontal Bus Area

  1. Turn off all power supplying this equipment before working on or inside the equipment and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.

  2. Align the arrows on the right panel and top track as shown in Installing the Right Panel into the Rear Groove.

    Installing the Right Panel into the Rear Groove

  3. Lift the panel up into the rear groove of the top track.

  4. Lower the panel into the rear groove of the bottom track.

  5. Slide the panel to the far right.

  6. Align the arrows on the left panel and top track.

  7. Repeat steps 3 and 4 using the left panel and front groove.

  8. Slide the panel to the left until it locks (snaps) into place.

  9. Verify that the barrier is completely closed by making sure that the wiring compartment is isolated from the bus compartment.

Fixed Barrier

DANGER
Hazard of Electric Shock, Explosion, or Arc Flash
  • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, NOM-029-STPS, CSA Z462, or local equivalent.
  • This equipment must only be installed and serviced by qualified electrical personnel.
  • Turn off all power supplying this equipment before working on or inside equipment.
  • Always use a properly rated voltage sensing device to confirm power is off.
  • Replace all devices, doors, and covers before turning on power to this equipment.
Failure to follow these instructions will result in death or serious injury.

Removal

  1. Turn off all power supplying this equipment before working on or inside the equipment and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.

  2. A captive rivet at the bottom of each bus barrier panel secures the panels to mounting brackets on the MCC (see Fixed Horizontal Bus Barrier, Horizontal Bus Barrier Installation and Removal and Barrier Installed and Removed).

    Fixed Horizontal Bus Barrier

    Horizontal Bus Barrier Installation and Removal

  3. Firmly grasp the head of the left side rivet and pull until the rivet releases from the mounting bracket.

  4. Pull out on the bottom of the left side panel until the tab at the top of the panel is clear of the top track (see Horizontal Bus Barrier Installation and Removal).

  5. Remove the panel from the MCC.

  6. Repeat steps 3–5 for the right-side panel.

Installation

  1. Turn off all power supplying this equipment before working on or inside the equipment and follow lockout/tagout procedures. Always use a properly rated voltage sensing device to confirm the power is off.

  2. Insert the tab on the right side panel into the top track on the right side of the MCC and set it into place (see Fixed Horizontal Bus Barrier and Horizontal Bus Barrier Installation and Removal).

  3. Secure the right-side panel by pushing the rivet firmly into the hole of the mounting bracket.

  4. Repeat steps 2 and 3 for the left side panel.

Barrier Installed and Removed
Installed Removed
QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

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