Hammond Manufacturing DRZ477 | 44U 2-Post Seismic Zone 4 Rack

Designed to meet demanding seismic standards, the DRZ477 44U rack offers rugged construction and increased width (22.75") for enhanced lateral load strength. EIA-compliant with 10-32 tapped rails, 19" mounting width, and 6" rail depth.

Hammond Manufacturing - DRZ477 - Features

• The rugged design was engineered to perform in the most critical seismic environments.
• Increased overall width of 22.75 inches provides additional side-to-side load strength.
• EIA compliant 10-32 front and rear tapped (6.00” deep) rails with 19” mounting.
• Includes marked rack unit dividers to aid in equipment mounting.
• Two (2) sets of side mounting holes on the side of the rack allow for Hammond cable managers to be mounted facing front and rear.
• The side mounting holes can also be used to gang racks together.
• Includes two (2) pairs of integrated 10-32 ground studs spaced 5/8” apart. Stud pairs are located conveniently at both ends of the rack. The upper location is centered inside the upper channel, and the lower location is centered on the front base of the rack. This upgrade ensures a secure and easy ground lug attachment.
• Includes top bracket mounting holes that are compatible with top cable accessories.
• Includes large base for freestanding support of equipment.
• Finished in smooth black powder paint.
• Constructed in 10-gauge steel (rails) reinforced with a structural angle base for the maximum structure.
• UL Listed 2416 load rated to 2,000 lbs (907 kg).
• Dynamic (seismic) load rated to 800 lbs (362 kg) of equipment installed and 50 lbs (22 kg) of cable weight. Requires a seismic bolt-down kit such as the C4K-Z4 (sold separately). Independently tested and certified to exceed established Seismic Zone 4 NEBS Telcordia GR-63-CORE testing standards.
• Finished in smooth RAL9005 black powder coating. Complies with the Greenguard guidelines for indoor air quality.
• TAA-compliant for GSA Schedule purchases.
• BAA/TAA-compliant documentation available upon request.
• RoHS Compliant.
• Manufactured in North America within an ISO 9001:2015 certified facility.
• Convert this product into a four-post rack

Hammond Manufacturing - DRZ477 - Product Categories

• Industrial
• Electrical Enclosures
• Electrical Enclosures
• Open Frame Racks
• Welded Steel | Ships Assembled

Hammond Manufacturing - DRZ477 - Specifications

Brand Name	Hammond Manufacturing Co
Manufacturer Number	DRZ477
Item Description	44U 2-Post Seismic Zone 4 Rack
UNSPSC Code	24102001
Part Number	DRZ477
Series	Zone 4 Seismic 2-Post Open Frame Rack (DRZ4 Series)
Size H x W x D	84 in x 22.75 in x 18 in (2,134 mm x 578 mm x 457 mm)
Shipping Weight	130 lbs(58.97 kg)
UNSPSC	43223308
UPC	623980412221
UL File #	E474597
REACH Compliant	Yes
RoHS Compliant	Yes
Rack Units	44
Rack Type	Open Frame Rack
Paint Color	RAL9005 Black
Rail Type	Tapped 10-32

Hammond Manufacturing - DRZ477 - Documents and Downloads

Hammond Manufacturing DRZ477 Specification Sheet	Click to View
Hammond Manufacturing DRZ477 Instruction Manual	Click to View
Hammond Manufacturing DRZ477 Technical Specifications	Click to View