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Product specifications

Chief 1' x 2' Above Suspended Ceiling Storage Box and Column Drop with 2-Gang Filter & Surge

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1' x 2' Above Suspended Ceiling Storage Box and Column Drop with 2-Gang Filter & Surge

Part CMS491CP2 · UPC 841872166780

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About this product

The CMS491CP2 conceals AV equipment above a 2' X 2' ceiling tile and supports a 1.5" NPT column drop for mounting projectors within the same tile grid providing a clean professional look for classrooms and conference rooms.

Includes a high-performance, dual gang housing, isolated ground, dual receptacle outlet featuring non-sacrificial multi-stage filtration and surge protection. This protects equipment from disruptive high frequency noise and damage caused by power disturbances.

Column not included, must be purchased separately.

Optimal pipe flexibility within the tile helps with less reliance on image correction improving image quality

Drop carriage door improves accessibility and serviceability providing full access to equipment

Detachable power housing can be pre-installed with electricians on site and assembled to the storage box at a later time

Inside the box or facing the roomUp to 2 single gang or 1 dual gang outlet4 nested knockouts for 1-1/4", 1", & 1⁄2" diameter conduit

Up to 2 single gang or 1 dual gang outlet

4 nested knockouts for 1-1/4", 1", & 1⁄2" diameter conduit

Built in ventilation

AV tray supports a variety of AV componentsShips with 1 shelf, 2ndshelf sold separately see CMSUNV1

Ships with 1 shelf, 2ndshelf sold separately see CMSUNV1

Overall weight capacity 100 lbs (45 kg)50 lbs (22 kg) for projector ceiling plate25 lbs (11 kg) per shelf location

50 lbs (22 kg) for projector ceiling plate

25 lbs (11 kg) per shelf location

Ships with speed connect installation hardware

Lightweight construction, one man installation

UL evaluated for use in Air-Handling Spaces as defined by Article 300.22, Sub-clause (C) of the NEC

TAA Compliant

Up to 2 single gang or 1 dual gang outlet

4 nested knockouts for 1-1/4", 1", & 1⁄2" diameter conduit

Ships with 1 shelf, 2ndshelf sold separately see CMSUNV1

50 lbs (22 kg) for projector ceiling plate

25 lbs (11 kg) per shelf location

Surge and Filter Module

Non-volatile spike protection with LED power indicator

Non-sacrificial multi-stage technology

Non-current limiting design passes full power on a regular circuit; redundant protection circuits

Improves the reliability and functionality of connected equipment by safeguarding equipment from high energy transients, lightning strikes and electronic noise events that can cause gear degradation and downtime

Line filter reduces common and differential mode noise by up to 40 dB

Rated for 125V~, 60Hz, 15 A

1875 watt maximum

Ferrite toroid based EMI Filter

Withstand rating of 240 VAC continuous without damage or loss of protection

Output: 15A, 1875 W continuous

Power Requirements:

Features

Product colour
White
Certification
TAA,ULCERT

Weight & dimensions

Width
329.4 mm
Depth
601.2 mm
Height
203.2 mm

Packaging data

Package weight
14.9 kg

Technical details

Compliance certificates
TAA

Specifications and images: Database Right data-sheet 2026 Icecat. All rights reserved. Supplied as is, without warranty. Specs Icecat · Open Content License

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