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CBk cabinet is a CB cabinet adapted for 19" equipment that requires electromagnetic protection (EMC). It's manufactured in 24 standard sizes, a combination of six heights, two widths, and two depths.
The standard cabinet consists of a welded frame, front door, two side panels, rear panel, roof, four mounting profiles, grounding strip, a set of grounding cables and four leveling feet. Castors or plinth can be ordered as supplementary accessories. The frame's top plate is solid, whereas the bottom plate has a 380 x 380 mm (15" x 15") opening that enables cable entry through the cable channel, which is situated in the room's floor. The blanking plate can cover the opening. Upon request the blanking plate can also be fitted with copper gland seals.
The cabinet interior is equipped with four mounting profiles for 19" equipment mounting. The profiles can be fixed at the necessary depth with defined pitch. The 800 mm (31.5") wide cabinet has mounting profiles fixed on special outriggers. Extra spaces between profiles and side panels can be used for leading cable, or any other application on customer's request.
Side and rear panels are fixed with screws to the cabinet's frame. Doors are fitted with a rod-latch lock. Both door and side panels, as well as the bottom plate's blanking plate, are galvanic joined to the cabinet frame through the application of special electroconductive gaskets. These cabinets can't be bayed in a row because of the door overhang.
Construction:
Side panel
Rear panel
Front door
Roof
Mounting profile
Grounding bar
Height of base H1:
Feet: 25 – 50 mm (1" – 2")
Plinth: 100 or 200 mm (3.9" or 7.9")
Castors, type 150: 108 mm (4.25")
Castors, type 300: 129 mm (5.07")
Materials:
Frame – 2 mm (0.08") thick sheet steel
Side panels – 1.5 m (0.06") thick sheet steel
Doors – 1.5 mm (0.06") thick sheet steel
Mounting profiles – 2 mm (0.08") thick sheet steel
Roof – 1 mm (0.04") thick sheet steel
Surface finish:
Frame, roof, panels, doors, plinth – textured powder paint, light grey (RAL 7035) and black (RAL 9005).
All other color options are available on request. Mounting profiles – Al-Zn coated.
Protection degree:
IP 61 in accordance with PN 92/E-08106/EN 60529/IEC 529
Shielding:
CBk cabinet was subjected to shielding efficiency tests at the Compatibility and Acoustic Laboratory of the Institute of Technology. On the basis of measurements carried out at the laboratory, the cabinet's shielding efficiency was specified in the frequency range from100 kHz up to 1 GHz.
Cabinet's shielding efficiency for the horizontal component of the magnetic field
Cabinet's shielding efficiency for the vertical component of the magnetic field
Tests revealed that the average screening efficiency of the CBk cabinet for magnetic field frequency range from 100 kHz up to 30 MHz reaches 30 dB
Cabinet's shielding efficiency for the horizontal component of the magnetic field
Cabinet's shielding efficiency for the vertical component of the magnetic field
An average shielding efficiency of the CBk cabinet for electric field frequency range from 30 MHz up to 1 GHz is more than 35 dB.
Reference chart
Overall width W,
mm (in)
Frame depth D,
mm (in)
Catalog number
800 (31.5)
800 (31.5)
CBk-458080
CBk-428080
CBk-408080
CBk-388080
CBk-328080
CBk-248080
600 (23.6)
CBk-458060
CBk-428060
CBk-408060
CBk-388060
CBk-328060
CBk-248060
600 (23.6)
800 (31.5)
CBk-456080
CBk-426080
CBk-406080
CBk-386080
CBk-326080
CBk-246080
600 (23.6)
CBk-456060
CBk-426060
CBk-406060
CBk-386060
CBk-326060
CBk-246060
Useful height (1U = 44.45 mm (1.75"))
45U
42U
40U
38U
32U
24U
Frame height H, mm (in)
2096 (82.52)
1963 (77.28)
1874 (73.78)
1785 (70.28)
1519 (59.80)
1163 (45.78)
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