ERK Series Rack, 21 RU, 20"D ERK-2120 20" D X 40 7/8” H Features: An economical standalone rack with solid sides, the ERK series can also be ganged to create partitioned multi-bay installations for thermal management control, future growth or other purposes. Seismic certified to protect your components. Fully welded construction for strength Enclosure sides include top and bottom venting Convenient lacing points and slotted rail brackets for cable management Standard front adjustable 10-32 threaded rackrail with numbered spaces Includes standard configurable rear door Specifications: General Info Finish: Textured Black Powder Coat UL Standards Tested: UL2416 Listing Agencies/Third Party Certifications ASCE: 7-10 RoHS: Yes Greenguard: Yes UL Listing No: E173107 Dimensions Usable Depth: 18.47 Usable Height: 36.875 Panel Width: 19 Capacity Weight (US): 10000 Depth (US): 20 Height (US): 40.875 Width (US): 22 Rack Units: 21 Technical Information Rackrail Type: 10-32 Seismic Load Capacity: 600 Static Load Capacity: 10000 UL Load Capacity: 2500 Material: Steel Mounting: Horizontal Seismic Rating: Yes