Hammond Manufacturing GR-63-CORE Seismic Server Cabinet
November 17, 2025
Features

- Rugged design that is engineered to perform in the most critical seismic environments.
- Numerous stud locations are included for grounding and bonding applications.
- Cable management includes
- Four (4) 3.5” top cable access holes.
- Various bottom panels allow for different cable management options.
- Corner braces include mounting for cable trays and outlet strips.
- Support for up to four optional 4” deep vertical cable managers.
- Ganging holes allow for joining multiple cabinets.
- C-channel struts provide cabinet strength, ease, and flexibility to adjust mounting rails.
- Flush-mount doors come with 3-point latching and stiffeners to reduce flexing and bowing while increasing cabinet security.
Specifications
- The cabinet frame is constructed in 14-gauge mild steel with 12-gauge mild steel reinforced corner brackets.
- Cabinet doors and side panels are constructed in 16-gauge mild steel.
- Includes two (2) pairs of EIA compliant 19in square hole mounting rails with rack unit markings. Note that the DCZ4 is NOT compatible with 23″ mounting rails.
- Mounting rails are constructed in 12-gauge mild steel and are Zinc-plated to provide superior surface areas for equipment grounding.
- Dynamic (seismic) load rated up to 1,000 lb. (454 kg) of equipment installed and 100 lb. (45 kg) of cable weight on the top. 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.
- UL Listed 2416 load rated for up to 3,000 lbs (1,360 kg).
- Freestanding Racks are rated based on a four (4) x multiplier. 3,000 x 4 = 12,000. In this case, the Static Load is 12,000 lbs, and the UL2416 Load Rating is 3,000 lbs.
- Grounding studs bonded to the frame, side panels, and doors. The front and rear studs on the cabinet frame conform to PET.
- Finished in textured RAL9005 black powder paint. Complies with the Greenguard guidelines for indoor air quality.
- TAA-compliant for federal GSA schedule purchases within the USA.
- RoHS Compliant.
- Manufactured in North America within an ISO 9001:2015 certified facility.
Included Components
- Two (2) pairs of infinitely adjustable 19” EIA-compliant square hole punched rails with rack unit markings.
- Two (2) perforated front doors (63% open area vented) with 4-pin combination locking swing handles.
- Two (2) removable solid side panels.
- One (1) removable solid top panel.










