Options—Installation
16
4.5
Power Distribution Unit Mounting
Power distribution units may be mounted multiple ways in the Knurr DCM rack. They may be
mounted on the rails or attached to mounting brackets:
• 42U full height PDU mounting brackets (4"W) Part # 539486G1L
• 42U full height PDU mounting brackets (8"W) (Part # 540084G1L)
• 45U full height PDU mounting brackets (4" W) (Part # 539487G1L)
• 45U full height PDU mounting brackets (8"W) (Part # 540085G1L)
• 42U adjustable full height PDU mounting bracket (4"W ) (Part # 542868G1L)
• 45U adjustable full height PDU mounting bracket (4" W) (Part # 542906G1L)
• *42U inset full height PDU mounting bracket (4"W) (Part # 542919G1L)
• *45U inset full height PDU mounting bracket (4"W) (Part # 543002G1L)
* Use this full height PDU bracket only when the center depth support has been removed.
4.5.1
Install Tool-Less PDU Mounting Brackets—700 and 800mm Cabinets Only
1.
Choose a position near the top of 19" rail where the first tool-less PDU mounting bracket will be
installed.
2.
Hang the tool-less PDU mounting bracket on a 19" rail by slipping the bracket’s metal tabs into
the rectangular shaped cutout on the 19" rail.
3.
Insert a high-profile fastener into the tool-less PDU mounting bracket and turn the fastener to
the right to tighten it (see Figure 13).
4.
Insert the other tool-less PDU mounting bracket near the bottom of the 19" rail.
Be sure it is positioned to align with the mounting holes on the PDU.
5.
Insert a high-profile quarter-turn fastener into the tool-less PDU mounting bracket; turn it
clockwise to tighten it.
6.
Attach the rack PDU to the upper and lower PDU brackets.
• The left hand tool-less rack PDU mounting bracket part number is Part # 539918G1L
• The right hand tool-less rack PDU mounting bracket part number is Part # 539917G1L
Figure 13 Small PDU mounting bracket on rack frame
PDU mounting bracket
attached to Knurr DCM
with quarter-turn fastener
Metal tabs fit in
holes on Knurr
DCM rails
Quarter-turn fastener