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Middle Atlantic High CFM Split Rear Door
Increased Airflow Upgrade for Middle Atlantic Enclosures
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Middle Atlantic High CFM Split Rear Door
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The High CFM Split Rear Door for Middle Atlantic WMRK and MRK series enclosures provides a high profile appearance to these already appealing enclosures, while circulating and removing damaging hot air created by hardworking, and often congested, equipment. With the option of upgrading to an incredible 3,520 CFM, worrying about overheated equipment and network shutdowns due to improper cooling has become a thing of the past. |
- Additional space provided for ten 6” fans, to boost the maximum air movement to 3,520 CFM
- Fans can be removed and relocated to accommodate special equipment or cooling requirements
- Each door features its own removable SignalSafe™ IEC power cord, allowing them to be plugged into separate circuits
- Includes two adjustable half blank panels for versatile fan arrangement
- Durable black powder coat finish provides lasting beauty and strength
- RoHS Compliant
- cULus Listed - File E252615
- 3 year manufacturer warranty
- Made in the USA

| # of Fans | Voltage (VAC @ 60Hz) |
Current (A) | Power (Watts) | Airflow CFM (M3 / Min) |
dBA * |
| 6 | 120 | 2.4 | 288 | 1320 (37.4) | 64.0 |
| 7 | 120 | 2.8 | 336 | 1540 (43.6) | 64.7 |
| 8 | 120 | 3.2 | 384 | 1760 (49.8) | 65.2 |
| 9 | 120 | 3.6 | 432 | 1980 (56.0) | 65.8 |
| 10 | 120 | 4.0 | 480 | 2200 (62.3) | 66.2 |
| 11 | 120 | 4.4 | 528 | 2420 (68.5) | 66.6 |
| 12 | 120 | 4.8 | 576 | 2640 (74.7) | 67.0 |
| 13 | 120 | 5.2 | 624 | 2860 (80.9) | 67.3 |
| 14 | 120 | 5.6 | 672 | 3080 (87.2) | 67.7 |
| 15 | 120 | 6.0 | 720 | 3300 (93.4) | 68.0 |
| 16 | 120 | 6.4 | 768 | 3520 (99.6) | 68.2 |
* dBA is measured one meter away vertically and horizontally from door.
| Part # | MA-MW-CFRD-42 | MA-MW-CFRD-44 | MA-MW-CFRD-45 |
| Price | |||
| Fits | 42 RU WMRK | 44 RU MRK | 45 RU WMRK |
| Height | 73.375" [1864 mm] | 76.875" [1953 mm] | 78.625" [1997 mm] |
| Width (per half door) | 9.43" [240 mm] | 9.43" [240 mm] | 9.43" [240 mm] |
| Depth (thickness) | 1.46" [37 mm] | 1.46" [37 mm] | 1.46" [37 mm] |
| # Included Fans | 6 (3 per half door) | 6 (3 per half door) | 6 (3 per half door) |
| Total # of Possible Fans | 16 (8 per half door) | 16 (8 per half door) | 16 (8 per half door) |
| Circuit Breaker | 15A | 15A | 15A |
| Power | IEC 15A C14 inlet (standard 48" cord included) |
IEC 15A C14 inlet (standard 48" cord included) |
IEC 15A C14 inlet (standard 48" cord included) |
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| Back View of a Cabinet with the CFM Split Doors Installed | Side View of Cabinet with CFM Split Door |
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| Top View of Cabinet with Split Doors opened | Front and Back of Split Door |
| PART # | DESCRIPTION | COMPATIBLE WITH | COLOR | WEIGHT | PRICE |
| MA-MW-CFRD-42 | 73.375" Split Rear Door | 42 RMU WMRK Enclosure | Black | 114 lbs | |
| MA-MW-CFRD-44 | 76.875" Split Rear Door | 44 RMU MRK Enclosure | Black | 116 lbs | |
| MA-MW-CFRD-45 | 78.625" Split Rear Door | 45 RMU WMRK Enclosure | Black | 118 lbs |
Additional Fans
| PART # | DESCRIPTION | CFM | WEIGHT | PRICE |
| MA-MW-CFRD-FKIT | 6" Fan for CFM Doors | 220 | 3 lbs |
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