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

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

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The CMS491P2 conceals AV equipment above a 2' X 2' ceiling tile to provide 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.
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 boxat 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:
N-G; 800V L-G Maximum Continuous Operating Voltage (MCOV): 240V Nominal Discharge Current (In): 3kA Short Circuit Current Rating (SCCR): 5kA Ambient Temperature Max: 40 degrees C
Power Consumption: >0.5 watt Type 3 Surge Protective Device (SPD) Voltage Protection Rating (VPR): 600V L-N