Subracks

Subracks are storage devices designed to be placed as part of a standardised 19-inch rack and are often used to house electrical equipment. They are used with 19-inch racks and can be enhanced using other rack accessories to construct a rack to the desired specification. Subracks are also known as Chassis cases, rack mount chassis and card cages and important part of the enclosures family. Subracks are measured using horizontal pitch (HP) for their width, and simple units (1U, 2U example) for their height.

Basically, a rack mount subrack or rack mount chassis is a narrow, smaller rack enclosure used to store and install rack and computer equipment. The subrack enclosure or chassis fits inside a larger19-inch rackmount case or rack cabinet.

What are subracks used for?

19-inch racks are common across many industries for storing electrical equipment. Subracks can be used in applications ranging from the housing of military telecoms equipment, to use in the transport industry, and in applications relating to test and measurement. PCB (printed circuit boards) as euro boards use a subrack for installation, as do the 19-inch plug-in units (PUIs).

A 19-inch chassis is a subrack which is used for horizontal board mounting. Non-standard components and equipment mounting like a transformer or heavy load accessories, also using a chassis mounting plate.

Types of subracks

Various sizes and dimensions of chassis are available (horizontal pitch, depth and units) and the material they are made from. This depends on what equipment you need to house. The metals used in their construction range from aluminium to stainless steel, to zinc, according to how strong the subrack needs to be.

Rackmount cases and subrack systems may require accessories to complete and installation from DIN rails, connectors, front panels, back and side panels, handles, rack drawers, rack cases, rack modules, kits and many more are available.

Subrack and rack mount chassis Protection

Ranges of rackmount cases, subracks and chassis provide your equipment with protection and shielding from EMI (electromagnetic interference), EMC (electromagnetic compatibility) plus they are also subject to regulated standards and IP rating. Manufacturers, for example Schroff, offer various shielded and unshielded subracks.


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Description Price Rack Units Series Horizontal Pitch Depth Colour Material Dimensions Height Width
RS Stock No. 487-797
Mfr. Part No.20860-116
TWD747.00
1 Kit
Kit(s)
1U MultipacPRO - - - - - 1U -
RS Stock No. 875-3018
Mfr. Part No.20836145
TWD54,338.00
Each
units
1U 20836 84HP - Black - - - -
RS Stock No. 875-3027
Mfr. Part No.20836310
TWD126,089.00
Each
units
3U 20836 84HP - Grey - - - -
RS Stock No. 487-791
Mfr. Part No.20860-118
TWD862.00
1 Kit
Kit(s)
2U MultipacPRO - - - - - 2U -
RS Stock No. 469-1082
Mfr. Part No.20860228
TWD3,959.00
Each
units
4U MultipacPRO 84HP - Natural - - - -
RS Stock No. 258-4156
Mfr. Part No.24562122
TWD1,796.00
Each
units
3U BGT Type F - - - Aluminium - 3U -
RS Stock No. 487-808
Mfr. Part No.20860-117
TWD862.00
1 Kit
Kit(s)
2U MultipacPRO - - - - - 2U -
RS Stock No. 875-3471
Mfr. Part No.24563157
TWD10,402.00
Each
units
3U - 84HP 275mm - Aluminium - - 84mm
RS Stock No. 469-1183
Mfr. Part No.20860210
TWD1,486.00
Each
units
2U MultipacPRO 84HP - Natural - - - -
RS Stock No. 487-781
Mfr. Part No.20860-115
TWD780.00
1 Kit
Kit(s)
1U MultipacPRO - - - - - 1U -
RS Stock No. 469-1105
Mfr. Part No.20860219
TWD1,934.00
Each
units
3U MultipacPRO 84HP - Natural - - - -
RS Stock No. 469-1149
Mfr. Part No.20860229
TWD4,321.00
Each
units
4U MultipacPRO 84HP - Natural - - - -
RS Stock No. 469-1098
Mfr. Part No.20860220
TWD2,029.00
Each
units
3U MultipacPRO 84HP - Natural - - - -