Black Box 12U, QuietCab user manual Specifications

Chapter 1: Specifications

1. Specifications

Cable Knockout Size — (2) 2.4" (6.1 cm) diameter sliding grommet on top rear of cabinet;

(1)2.4" x 13.7" (6.1 x 34.8 cm) brush grommet on bottom rear of cabinet Fans — QC12UBE, QC12UWA, QC12ULG: (1) 3-fan single-speed panel,

115-V, 60-Hz, 2750 RPM;

Total Maximum Airflow: 276 CFM;

Total Maximum Power Consumption: 36 W;

QC24UBE, QC24UWA, QC24ULG: (2) 3-fan single-speed panels, 115-V, 60-Hz, 2750 RPM;

Total Maximum Airflow: 552 CFM;

Total Maximum Power Consumption: 72 W;

QC42UBE, QC42UWA, QC42ULG: (3) 3-fan single-speed panels, 115-V, 60-Hz, 2750 RPM;

Total Maximum Airflow: 828 CFM;

Total Maximum Power Consumption: 108 W

Light — 8 W T5 fluorescent (F8T5/D)

Maximum Heat Load — QC12UBE, QC12UWA, QC12ULG: 1.2 kW; QC24UBE, QC24UWA, QC24ULG: 2.4 kW;

QC42UBE, QC42UWA, QC42ULG: 3.6 kW

Weight Capacity — QC12UBE, QC12UWA, QC12ULG: 1100 lb. (499 kg); QC24UBE, QC24UWA, QC24ULG, QC42UBE, QC42UWA, QC42ULG:

1760 lb. (798 kg)

Noise Reduction — Up to 15 dB

Rack Units — 12U, 24U, or 42U

RoHS — Yes

Size — QC12UBE, QC12UWA, QC12ULG:

External: 27.7"H x 29.5"W x 44.6"D (70.4 x 75 x 113.2 cm),

Internal: 21.8"H x 22.4"W x 40"D (55.4 x 56.9 x 101.6 cm) QC24UBE, QC24UWA, QC24ULG:

External: 48.7"H x 29.5"W x 44.6"D (123.8 x 75 x 113.2 cm);

Internal: 43.8"H x 22.4"W x 40"D (111.2 x 56.9 x 101.6 cm); QC42UBE, QC42UWA, QC42ULG:

External: 81"H x 29.5"W x 44.6"D (203.8 x 75 x 113.2 cm);

Internal: 74"H x 22.5"W x 40.5"D (187.9 x 57.2 x 102.8 cm)

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