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When a standard enclosure isn’t exactly what you need, Hammond can modify our designs for your ideal enclosure solution.

TOA Audio products range from digital amplifiers and speakers, to mixers, wireless microphone systems and digital processors used in sound reinforcement, to integrated VOIP intercom and emergency paging and voice evacuation systems for security and communications.

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Hammond NEBS Telcordia® GR-63 Zone 4 Certified Cabinet DCZ4 Series Frame

Hammond NEBS™ Telcordia® GR-63 Zone 4 Certified Cabinet DCZ4 Series


  • Constructed in 14-gauge steel (body), 12-gauge steel corner braces and 16-gauge doors and side panels.
  • EIA-310-D compliant 10-32 tapped or square hole punched rails with 19” mounting. (Rails include rack unit labels)
  • Rugged design engineered to perform in the most critical seismic environments.
  • Includes generous stud locations for grounding and bonding applications.
  • Cable Management:
    • Includes four (4) 3.5” top cable access holes.
    • Various bottom panels allow different cable management options.
    • Corner braces include mounting for cable tray and outlet strips.
    • Support for up to four optional 4” deep vertical cable managers.
  • Compatible with standard C2 top panels with options that include Solid, Vented, Fan cutouts.
    • Pre-installed fan(s) capable of up to 550 CFM.
  • Solid Side panels available.
  • Flush-mount doors come with 3-point latching and stiffeners to reduce flexing and bowing while increasing cabinet security.
    • Available in Solid, Window and 63% Perforated punch pattern.
  • Handle features 4-pin combination lock with key override. Also compatible with electronic locking options.
  • Ganging holes allow for joining multiple cabinets.
  • Finished in sand-textured black powder paint.
Seismic Specifications
  • Independently tested and certified to exceed established Seismic Zone 4 NEBS™ Telcordia® GR-63-CORE testing standards.
  • Dynamic (seismic) suggested load capacity of 1,000 lb. (453.6 kg) of equipment installed and 100 lb. (45.4 kg) of simulated cable weight on the top when secured using C4K-Z4 seismic bolt down kit.
  • RoHS Compliant.
  • Manufactured in North America.
  • Additional sizes also available.