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Middle Atlantic Products ERK21-20
21 SP 20" Deep Rack W/Reardoor

OUR PART #:  ERK21-20

# Fully welded construction, solid sides # 2,500 lb.
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# Fully welded construction, solid sides

# 2,500 lb. weight capacity

# UL Listed in the US and Canada

# Seismic certified (UBC 1997 & CBC 1998 Zone 4; IBC 2000, IBC 2003, ASCE 7 - 02, NFPA 5000 Seismic Use Group III) for protecting 650 lbs. of essential equipment when used in conjunction with our ERK-Z4 brackets

# 16-gauge steel tops, bottoms, & sides

# Laser-cut 1/8" thick internal steel braces for strength

# 1 pair fully-adjustable front rackrail

# Large cable entry in bottom

# Grounding and bonding stud installed in base

# Configurable top (44, 40, 35 sp.), solid top with fan KO’s (27, 18 sp.)

# Laser KO’s in side panels for cable pass-through (44, 40, 35 sp. only)

# Finished in a durable black textured powder coat

Rack Light with Power
Middle Atlantic Products PDLT-815RV-RN Rack Light with Power
PDLT-815RV-RN Rack Light with 15 Amp Power Distribution and Surge Suppression Status NotificationMiddle Atlantic Products PDLT-815RV-RN Specifications: Multifunctional PDLT Series Rack Light and PowerDistribution Unit designed to improve ...
238.50 318.00 25

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10-Outlet, 20 Amp Thin Power Strip
Middle Atlantic Products PDT-1020C-NS 10-Outlet, 20 Amp Thin Power Strip
PDT Series Thin Power Strips take up minimal space inside a rack and feature a unique design that allows for isolated ground configurability.  Dual circuit models can be configured to operate as a single circuit and all models are ...
147.75 197.00 25

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Free Shipping Available
Blank Top Panel
Middle Atlantic Products ERK-ST Blank Top Panel
Includes a removable two-space service plate that allows the top panel to be removed without disrupting cable bundles.
42.75 57.00 25

In Stock
50 Pack Torx Star-Post screws and washers
Middle Atlantic Products HTX 50 Pack Torx Star-Post screws and washers
These 10-32 by 3/4" security screws feature a star post drive. All screws have a self-guiding pilot point, black oxide finish and come with factory installed nylon washers in lots of 50. Star post drive bits available.
17.25 23.00 25

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Star Post Bit for Driving HTX Security Screws
Middle Atlantic Products TBIT Star Post Bit for Driving HTX Security Screws
Middle Atlantic's TBIT is a star post bit for driving HTX security screws.
13.50 18.00 25

In Stock
25-Pack of 10-32 x 3/4" Phillips Head Screws with Nylon Washer
Middle Atlantic Products HPS 25-Pack of 10-32 x 3/4" Phillips Head Screws with Nylon Washer
Middle Atlantic's HP series rackscrews are 3/4" long with 10-32 threads and feature an attractive Phillips truss-head for a clean modern appearance. All screws have a self-guiding pilot point, include factory installed nylon washers for ...
6.00 8.00 25

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Rack FanTop Three-4.5"  Quiet Fans for ERK, SCRK Racks, 150-CFM
Middle Atlantic Products ERK-4QFT-FC Rack FanTop Three-4.5" Quiet Fans for ERK, SCRK Racks, 150-CFM
NOTE: A 4-fan top is pictured, this is a 3-fan top. Integrated fan tops save time and money, and simplify ordering Includes proportional speed thermostatic fan control to ensure that fans only run when needed, extending fan life, ...
515.25 687.00 25

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Integrated Fan Rack top for EKR/SCRK racks, 550 cfm, one 10" fan
Middle Atlantic Products ERK-10FT-FC Integrated Fan Rack top for EKR/SCRK racks, 550 cfm, one 10" fan
NOTE: A 4-fan top is pictured, this is a single fan top. Integrated fan tops save time and money, and simplify ordering Includes proportional speed thermostatic fan control to ensure that fans only run when needed, extending fan life, ...
510.75 681.00 25

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550 CFM Integrated 10" Top Fan
Middle Atlantic Products ERK-10FT-550CFM 550 CFM Integrated 10" Top Fan
The Middle Atlantic ERK-10FT-550CFM is a preassembled fan top with one 10" fan that fits their WMRK, ERK (35 RU and up) and SCRK series racks.  The fan includes a removable 2RU service plate that allows top removal without ...
396.00 528.00 25

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Plexi Front Door for 21Sp Rack
Middle Atlantic Products PFD21 Plexi Front Door for 21Sp Rack
Offered in lightly smoked plexiglass, fully vented, vented plexi, NEW large perforated vented and solid configurations. Beveled corners provide a stylistically modern appearance, while hinging either left or right. Large perf door has 68% ...
305.25 407.00 25

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Large Perf Vented Front Door  (21 Space)
Middle Atlantic Products LVFD-21 Large Perf Vented Front Door (21 Space)
Offered in lightly smoked plexiglass, fully vented, vented plexi, NEW large perforated vented and solid configurations. Beveled corners provide a stylistically modern appearance, while hinging either left or right. Large perf door has 68% ...
295.50 394.00 25

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42" Front Door  Vented
Middle Atlantic Products VFD-21 42" Front Door Vented
Offered in lightly smoked plexiglass, fully vented, vented plexi, NEW large perforated vented and solid configurations. Beveled corners provide a stylistically modern appearance, while hinging either left or right. Large perf door has 68% ...
248.25 331.00 25

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Wheelbase Skirted 20" ERK
Middle Atlantic Products CBS-ERK-20R Wheelbase Skirted 20" ERK
ERK caster bases are equipped with 3" diameter swivel wheels available in commercial grade and a NEW fine floor version featuring a soft rubber wheel constructed from Dynatread TPR to protect against damaging decorative flooring. Skirted ...
204.00 272.00 25

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Skirted Caster Base for 20" Deep ERK Racks
Middle Atlantic Products CBS-ERK-20 Skirted Caster Base for 20" Deep ERK Racks
The Middle Atlantic CBS-ERK-20 has a skirted base that hides its wheels for an improved aesthetic appearance and bolts to the bottom of ERK Series rack systems.  This skirted caster base adds 3-3/4" to the rack's overall ...
174.75 233.00 25

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21Sp Solid Front Door
Middle Atlantic Products FD-21 21Sp Solid Front Door
The Middle Atlantic Products FD-21 21Sp Solid Front Door is offered in lightly smoked plexiglass, fully vented, vented plexi, NEW large perforated vented and solid configurations. Beveled corners provide a stylistically modern appearance, ...
174.75 233.00 25

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Rear Door Fan Knockout Kit (Includes Two Fans)
Middle Atlantic Products KO-AWFP2 Rear Door Fan Knockout Kit (Includes Two Fans)
The rear doors on Middle Atlantic's enclosures are now configurable for enhanced thermal management.  Field configurable to easily accommodate changing requirements For WRK, MRK, and ERK series enclosures Includes two fans
142.50 190.00 25

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10-Outlet Thin Power Strip
Middle Atlantic Products PDT-1015C-NS 10-Outlet Thin Power Strip
PDT Series Thin Power Strips take up minimal space inside a rack and feature a unique design that allows for isolated ground configurability.  Dual circuit models can be configured to operate as a single circuit and all models are ...
128.25 171.00 25

Usually ships in 7-14 business days.
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Free Shipping Available
Filter Kit for WRK, MRK, ERK Series Enclosures
Middle Atlantic Products KO-FILTER3 Filter Kit for WRK, MRK, ERK Series Enclosures
Middle Atlantic's KO-FILTER3 is a filter kit for use with their WRK, MRK, and ERK series enclosures.
51.75 69.00 25

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21Sp Rack Rail Kit for ERK Racks
50.25 67.00 25

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4" Gland Grommets (Set of 4)
Middle Atlantic Products GK-4G 4" Gland Grommets (Set of 4)
The GK-4G gland grommets additionally block dust and help control airflow within an enclosure.  Sold in packs of four.
47.25 63.00 25

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10" Fan Top (Excludes Fan)
Middle Atlantic Products Erk 10FT 10" Fan Top (Excludes Fan)
Allows for 10" fan to be mounted to panel (fan sold separately).
42.75 57.00 25

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4.5" Fan Top (Excluding Fan)
Middle Atlantic Products ERK-4FT 4.5" Fan Top (Excluding Fan)
The ERK-4FT accepts up to three 4.5" fans for active thermal management.  Vented pagoda tops maintain enclosure temperatures through natural convection while minimizing the amount of dust and debris that can fall into the rack, ...
42.75 57.00 25

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Vented Top Panel for ERK & SCRK Racks
Middle Atlantic Products ERK-VT Vented Top Panel for ERK & SCRK Racks
Slot pattern vented top rack panel.NOTE: The picture above shows a circular, fan-shaped vent as opposed to the slot pattern of the ERK-VT top vent panel.
42.75 57.00 25

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Rear Door Vent Panel Knockout Kit
Middle Atlantic Products KO-VT3 Rear Door Vent Panel Knockout Kit
The rear doors on Middle Atlantic's enclosures are now configurable for enhanced thermal management.  Field configurable to easily accommodate changing requirements For WRK, MRK, and ERK series enclosures
34.50 46.00 25

Usually ships in 7-14 business days.
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100 12-24 x 5/8" Phillips Screws with Nylon Washers
Middle Atlantic Products HP24 100 12-24 x 5/8" Phillips Screws with Nylon Washers
Primarily used in telecommunications and data, these 5/8" long 12-24 thread screws are heat-treated to prevent head stripping. Black oxide finished, comes complete with nylon washers.
26.25 35.00 25

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100-Piece Phillips Screws with Washers
Middle Atlantic Products HPQ 100-Piece Phillips Screws with Washers
Cable friendly HPQ series screws are 3/8" long with 10-32 threads and feature a rounded end to allow wires to be dressed inside front rackrail without chafing. Featuring an attractive Phillips truss head, finished in black oxide.
22.50 30.00 25

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Shoulder washers, 100 piece
Middle Atlantic Products SW Shoulder washers, 100 piece
When used in conjunction with the stock washers supplied with all our screws, these black nylon shoulder washers help prevent ground loops. 100 piece count
9.00 12.00 25

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