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Black metal bracket for 3 by 3 inch command post

Ergotron

Ergotron 60-366-100 3" x 3" Post Mounting Bracket

SKU CH-99SV-8RS99 MPN 60-366-100

Mounts 200, 300, 400 Series, HD Pivot and Extenders to a 3" x 3" command post

  • Product typeAccessory
  • DetailsRequired to mount mounting solutions and peripherals to the
  • Key featuresBrackets are required to mount Mounting Solutions and periph
  • Mounts 200, 300, 400 Series arms to 3" x 3" post
  • Secures HD Pivot and Extenders for 400 Series to Command Post
  • Compatible with FX75 and FXT75 mounting solutions
  • Required bracket connects peripherals to Command Post
  • Black finish matches existing Ergotron mounting hardware

3" x 3" Post Mounting Bracket

This bracket attaches Ergotron mounting solutions to a 3" by 3" Command Post. It is designed for installers who need a secure connection point for monitor arms or other peripherals on compatible posts.

Steel construction and fixed geometry

The accessory uses a rigid bracket form that locks onto the square post profile. This fixed geometry keeps mounted arms stable during daily adjustments and prevents unwanted rotation or flex.

Enables 200 300 400 Series and HD Pivot mounting

With this bracket in place the post accepts 200 300 400 Series arms HD Pivot units and Extenders for 400 Series plus FX75 and FXT75 models. Without it those mounting solutions cannot be fitted to the Command Post.

How it compares

Measured against everything we stock in Stand Legs & Mounting Hardware, at today’s prices. Recalculated every night.

Price $129.99
Pricier than about 55% of the 957 comparable items (median $95.99).

Specifications

Product
Brand nameERGOTRON
Model name60-366-100
Product typeAccessory
Size & build
Shipping weight0.91 kg
Package size76 × 76 × 25 mm

Questions about this item

Does this bracket fit the 3" x 3" command post standard?

Yes, it is built for the 3" x 3" command post and locks onto the post profile used by Ergotron mounting systems.

What clearance does the 60-366-100 need to sit flush on the post?

The bracket mounts directly to the 3" x 3" post faces; no extra standoffs or adapters are required for a flush fit.

Which step is most often missed when attaching the bracket to the post?

Tightening the set screws against the post corners after positioning the bracket is the step installers frequently skip, leaving the mount loose.

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