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Electronics packaging expert Schroff has developed a ruggedised 19in cabinet that is suitable for use on frigates, aircraft carriers and submarines.

The Varistar MIL 901D cabinet protects sensitive electronic systems from the conditions encountered during operation at sea.

It has been independently tested in accordance with the MIL-STD-901D standard to confirm its robustness and stability under extreme shock.

In addition, the cabinet is designed to MIL-STD for vibration resistance and its frame and covers are galvanised and powder coated to protect them from corrosion.

The MIL 901D model is based on Schroff’s standard Varistar cabinet with modifications to enable it to cope with the rigours of naval applications.

Four shock absorbers are attached to the cabinet’s welded base plate and two more are fixed to the rear of the solid top cover for wall mounting.

The shock absorbers are designed for each individual application, with the type and size determined by variables such as the cabinet dimensions, the weight of the components housed in the cabinet and the position of its centre of gravity.

Varistar MIL 901D is available in a range of sizes and provides good EMC shielding performance together with IP55 sealing against the ingress of dust and moisture.

For over four decades Schroff has been a world leader in the development and manufacture of electronics packaging components and systems.


The company offers a comprehensive range of enclosure solutions, including cabinets, subracks, cases, backplanes and power supplies, as well as complete systems for standard bus architectures such as VME, cPCI, AdvancedTCA and MicroTCA.


These products are based on the know-how of specialists in the integration of mechanical, electronic and thermal management systems, together with many years’ experience of the most diverse applications in all kinds of environments. Schroff technical personnel are also heavily involved in the development of international standards for electronics packaging systems, with representatives on numerous working groups of institutions such as the IEC, CENELEC, IEEE, BSI, VDE and DIN.


To complement its wide range of products, the company has established a co-ordinated service strategy designed to ensure that customers enjoy comprehensive support throughout the life of the product.Grouped together under the banner ‘ServicePLUS’, Schroff’s product support services are now arranged in eight modules comprising configuration, assembly, modification, solution, express, support, academy and lifecycle.


The Schroff website, provides full technical information on all of the company’s products, including detailed descriptions, technical data, user manuals, test reports and downloadable CAD drawings

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