Chief CMS491C 1' 2' Above Suspended Ceiling Storage Box with Column Drop
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Key Features
- Conceals AV and security equipment above a 2' x 2' suspended ceiling tile for a clean, professional room appearance
- Supports a 1.5" NPT column drop and up to 100 lb load to accommodate projectors and surveillance gear with reliable mounting
- Detachable power housing and up to two gang outlets simplify electrical rough-in and speed installation workflows
- Built-in ventilation and AV tray improve equipment longevity and serviceability; drop carriage door provides full access
- Multiple conduit knockouts and plenum rating enable compliant installations for networking, monitoring and security systems
Quick Specifications
- Product Model
- CMS491C
- Brand Name
- Chief by Legrand
- Product Name
- 1' x 2' Plenum Rated Storage Box with Column Drop
- Product Type
- Storage Box
Explore the details
Product information
CMS491C
Overview
Keep AV, projection and security equipment hidden and accessible with the Chief by Legrand CMS491C ceiling storage box. Designed as a plenum-rated 1' x 2' storage box that installs above a 2' x 2' suspended ceiling tile, the CMS491C supports a 1.5" NPT column drop and a 100 lb maximum load—making it ideal for mounting projectors, NVRs and surveillance components in classrooms, conference rooms and monitoring centers. The unit's detachable power housing and provision for up to two single-gang outlets let electricians pre-wire on-site and speed final installation. Built-in ventilation and an AV tray preserve equipment performance, while a drop carriage door and removable shelf make maintenance fast and straightforward. Nested knockouts accept common conduit sizes to integrate structured cabling, power and security cabling neatly and compliantly. TAA compliant and UL listed, the CMS491C delivers a professional finished look for AV, security and surveillance deployments. Ideal for AV integrators and IT teams looking to streamline installations—specify the CMS491C for your next ceiling-mounted projector or monitoring system.
Features
- Conceals AV and security equipment above a 2' x 2' suspended ceiling tile for a clean, professional room appearance
- Supports a 1.5" NPT column drop and up to 100 lb load to accommodate projectors and surveillance gear with reliable mounting
- Detachable power housing and up to two gang outlets simplify electrical rough-in and speed installation workflows
- Built-in ventilation and AV tray improve equipment longevity and serviceability; drop carriage door provides full access
- Multiple conduit knockouts and plenum rating enable compliant installations for networking, monitoring and security systems
| General Information | |
|---|---|
| Brand Name | Chief by Legrand |
| Manufacturer | Legrand Group |
| Product Name | 1' x 2' Plenum Rated Storage Box with Column Drop |
| Product Type | Storage Box |
| Product Model | CMS491C |
| Product Series | CMS |
| Manufacturer Part Number | CMS491C |
| Technical Information | |
| Device Supported | A/V Equipment, Projector |
| Application/Usage | Ceiling |
| Maximum Load Capacity | 100 lb |
| Certifications | |
| TAA Compliant | Yes |
| Physical Characteristics | |
| Color | White |
| Depth | 23.67" |
| Width | 12.97" |
| Height | 8" |
| Dimensions | 8 x 12.97 x 23.67" |
| Maximum Weight Capacity | 100lb |
| Miscellaneous | |
| Features | Surge/Filtering |
| Certifications | TAA, UL Listed |
| Country of Origin | US |
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Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- CMS491C
- Manufacturer part:
- CMS491C
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsChief CMS491C 1' 2' Above Suspended Ceiling Storage Box with Column Drop
CMS491C