| Product Type | I-Beam Clamp |
| Form Factor | Ceiling Mount Accessory |
| Weight Capacity | 250 lb (113 kg) |
| Color | Black |
| Finish | Powder Coat |
| Construction Material | Steel |
| Mounting Orientation | Ceiling |
| Compatible Beam Size | 4" to 8" wide I-Beams |
| Threaded Fitting Size | 1.5" 11.5 NPS |
PEERLESS ACC558 I-Beam Clamp, 4"–8" Beams, 250lb Capacity, Black

Key Benefits
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- Supports up to 250 lbs, offering high-capacity installation for large-scale AV equipment.
- Engineered with a standard 1 1/2" NPS fitting, enabling compatibility with a wide range of extension columns.
- TAA compliance and U.S. manufacturing make it ideal for government and GSA projects.
Product Overview
ACC558 - I-Beam Clamp for 4 to 8 I-Beams - Black - Unit has 1 1/2 11.5 NPS fitting for attachment of extension column - Finish: Powder Coat - Weight Capacity: 250lb (113kg)Specifications
Product Overview
Physical & Environmental
| Dimensions (H x W x D) | 8.62 x 4.56 x 1.93 in (219 x 116 x 49 mm) |
| Product Weight | 6.1 lb (2.77 kg) |
| Operating Temperature Range | 0°C to 40°C (32°F to 104°F) |
| Storage Temperature Range | -20°C to 60°C (-4°F to 140°F) |
| Humidity (Operating) | 10% to 90% (non-condensing) |
Packaging & Installation
| Included Hardware | Mounting hardware included |
| Installation Type | Ceiling Beam Clamp Install |
| Adjustability | Beam width adjustable between 4 and 8 inches |
| Assembly Required | No |
| Tools Required | Standard hand tools (wrench/spanner) |
| Mount Compatibility | Peerless ceiling mount products and accessories |
Manufacturer Information
| Manufacturer | Peerless-AV |
| Manufacturer Part Number (MPN) | ACC558 |
| UPC | 735029200512 |
| Product Family | Monitor / Display / Projector Accessories |
| Product Category | Projector Accessories |
Interfaces
| Pipe Fitting | 1.5" NPS threading for extension column |
| Compatible Mount Interface | Standard Peerless AV extension columns |
Compliance & Origin
| Country of Origin | United States |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| Certifications | UL Listed |
| Warranty | 5-Year Limited Warranty |
| Shipping Dimensions | 10 x 6 x 4 in |
| Shipping Weight | 7.0 lb (3.2 kg) |
Use Case & Applications
| Common Applications | Projector mounting, AV equipment ceiling mounts |
| Ideal Environments | Commercial, industrial, auditoriums, conference rooms |
| Load Orientation | Vertical load support |