Schroff 19in Enclosures for Electronics Packaging, Cabinets, Subracks and System Platforms

Schroff is very well known in the 19in technology market for enclosures. Based on standard enclosure product platforms Schroff offers solutions dedicated to the defence industry as Commercial Off The Shelf (COTS) solutions. These include; cabinets for shipboard applications, ruggedized cases, subracks with high EMC shielding effectiveness, systems for buss standards such as VME, VME64X and CompactPCI.

Through specific projects developed for direct or indirect defence applications such as military communication, radar control and military automation equipment Schroff has gained an excellent reputation for design and quality in the market. Schroff leverages the competencies of EMC and thermal management from other market segments such as telecom, test and measurement and transportation into the defence market segment. In house test facilities for both EMC and thermal analysis (Flowtherm) verify the design prior to build and system testing.

The Schroff integration service ensures flexibility for configuring standard products, modified standard products or customized solutions, with specific detail such as backplanes with conformal coating, shock and vibration mounting.

ELECTRONICS CABINETS

Preferred electronics cabinet solutions are eurorack as a bolted aluminium design and Varistar as welded steel cabinet with excellent EMC characteristics. Beyond that outdoor cabinets and wall mount enclosures are in the offering.

19in ELECTRONICS CASES

The range includes 19in cases such as comptec and electronic cases with ratiopac PRO and propac to accept boards as tabletop version. In addition ruggedized 19in cases are available for transportation needs.

SUBRACK / SYSTEMS

With europacPRO Schroff offers a wide range of modular subracks with many accessories used as platform for defence applications, with specific versions with high resistance to shock and vibration. Adding plug-in units, backplanes standard or with conformal coating systems are offered for VME, VME64x and CompactPCI. The latest developments such as AdvancedTCA and MicroTCA products are already in the catalogue.

STANDARDS

Due to the high requirements for reliability many special standards exist. A certain selection typically relevant for enclosures is listed below.

  • MIL 810-F – environmental engineering considerations and laboratory tests
  • VG 95373/15 – electromagnetic compatibility of equipment – part 15: test methods for coupling and shielding
  • MIL-STD-285 – attenuation measurements for enclosures, electromagnetic shielding, for electronic test purposes
  • MIL-STD-461 / 462 – requirements for the control of electromagnetic interference emissions and susceptibility

SHOCK AND VIBRATION

Cabinets onboard ships typically are fixed with shock absorbers. Four mounts are positioned underneath the cabinet and with two, the cabinet is fixed to a wall or bulkhead. The specification of the mounts requires a calculation taking cabinet size and payload into consideration.

EMC SHIELDING

Long involvement with electromagnetic shielding effectiveness by Schroff has developed a high level of capability in the design of EMC enclosure versions available for every product family. The earlier EMC is considered in the design process the more effective the solution will be in terms of price performance ratio.

For an ideal compromise between conductivity and long-term corrosion resistance cremation is used as a galvanic treatment for aluminium parts up to now. To ideally reach RoHS compliancy Schroff has introduced a new ‘coloured’ passivating process as standard treatment.

The yellow non-RoHS finish is available on request.

Schroff is able to do basic research within the in-house labs. For most standard products EMC tests are done in an absorber chamber.

MAGNETIC SHOCK

To survive magnetic shocks caused by detonations, cabinets are preferred to be made from aluminium as the product range ‘eurorack’.

CONFORMAL COATING

Especially for the defence market Schroff offers conformal coating on specific ranges to ensure product compliance according to MIL 810 E and MIL I 46058 C. To protect parts against corrosion, fungus and dust a polymer is applied with a spray process.

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Press Release

Printed Circuit Board Accessories for Applications Exposed to High Shock and Vibration

Particularly harsh environmental conditions often demand special fixing components for electronics mounting systems. Now Schroff has added products of this type from its sister companies Birtcher and Calmark, both also members of the Pentair Technical Products Group, to its standard product range

Address
Schroff GmbH

Langenalber Str. 96 - 100

75334 Straubenhardt

Other

Germany

+49 7082 794 0 +49 7082 794 200 www.schroff.biz

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Press Release

27 June 2010

The new Series 236 Card-Lok from Schroff incorporates a dual-thread design that allows the device to be compressed from both ends by turning a single screw, which means that it can be tightened or released twice as quickly as conventional PCB retainers, thereby helping to reduce installation ti

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27 June 2010

Particularly harsh environmental conditions often demand special fixing components for electronics mounting systems. Now Schroff has added products of this type from its sister companies Birtcher and Calmark, both also members of the Pentair Technical Products Group, to its standard product range

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21 June 2010

New from Schroff are the Calmark Series 223 and 224 Card-Lok PCB retainers, which incorporate a patent-pending torque-limiting feature that enables a PCB assembly to be fixed into a chassis at a prescribed clamping force without the need for a torque wrench. Primarily aimed at cold-pl

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21 June 2010

Schroff has developed a special VARISTAR cabinet with shock absorbers, adapted to the demanding conditions of operation at sea and suitable for use on frigates, aircraft carriers and submarines. The cabinet, containing approx. 150kg of electronic components, has been tested to the MIL-STD-901D st

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13 December 2009

Schroff, the manufacturer of electronics packaging components and systems, has significantly enhanced its UK website, adding some new features designed to appeal to anyone involved in purchasing or specifying products such as cabinets, subracks, cases, backplanes, power supplies or complete bus-b

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8 October 2009

Now available from electronics packaging specialist Schroff is a new catalogue detailing the comprehensive range of ruggedised PCB retainers manufactured by Calmark. Calmark Catalogue Schroff and Calmark are sister companies within the Pentair Electronic Packaging Gro

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8 October 2009

Electronics packaging specialist Schroff has developed a new retention device for securely fastening AdvancedMC modules into a MicroTCA subrack to enable such systems to withstand the extreme shock and vibration conditions laid down in the recently issued MicroTCA.1 specification. The

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8 October 2009

The EMC shielding prescribed in the AdvancedMC, AdvancedTCA and MicroTCA specifications requires that unused slots be closed. This can be done using, for example, AdvancedMC filler modules. These cover any gaps that may be present in an AdvancedMC carrier or a MicroTCA system in which one or more

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28 September 2009

Schroff's VARISTAR EMC cabinets are now available in a wider range of standard depths. In addition to the previous cabinet depths of 600 and 800 mm, EMC cabinets with depths of 900 and 1000 mm are now also available as standard designs from a quantity of one and can be delivered within 10 days wi

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28 September 2009

Schroff, a leading developer and manufacturer of electronics packaging systems, has refurbished the showrooms in its customer and training centre. In two large spaces the company presents its cabinets, cases and system solutions, arranged by market segment (e.g. datacoms, telecoms, industrial, ge

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23 August 2009

The Varistar 19in cabinet from electronics packaging specialist Schroff has been designed to withstand demanding environments such as those associated with shipborne and mobile applications. Providing maximum protection for sensitive electronic systems, the Varistar cabinet has been tho

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13 July 2009

At stand 127 at the DSEi show, electronics packaging specialist Schroff will be exhibiting a complete family of ruggedised enclosure solutions designed to protect sensitive electronic systems in the most demanding of environments. From 19in cabinets and subracks to retainers for printed

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8 July 2009

Electronics packaging systems, for the housing of electronic components, must satisfy a wide range of requirements, from accommodating PCBs to containing complete systems, and are realised in various physical forms such as cabinets for indoor or outdoor use, as portable cases for mobile applicati

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7 July 2009

Electronics packaging specialist Schroff has announced it is now the exclusive UK supplier of the ranges of ruggedised PCB retainers and associated products manufactured by Birtcher and Calmark, which are Schroff's sister companies within the Pentair Electronic Packaging Group. Birtcher

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23 June 2009

New from electronics packaging specialist Schroff is a compact MicroTCA system that can accommodate up to six single mid-size AdvancedMC modules in a 19in enclosure with a height of only 1U. Featuring a special case design that ensures efficient cooling of the modules, the 1U MicroTCA s

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13 April 2009

Schroff has expanded its range of MicroTCA products with the addition of a versatile 8U development system that can be used as a rack-mount unit or easily converted into a desktop version. As well as accommodating 12 double mid-size AMC slots and two redundant full-size MCH slots, the

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8 May 2008

Now available from Schroff is a range of 19in. subracks that can withstand the rigorous and demanding environmental conditions found in many naval applications, particularly where equipment is subjected to extreme levels of shock and vibration. Featuring a robust aluminium construction

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26 March 2008

Schroff has announced that its range of AdvancedTCA and MicroTCA chassis systems have undergone and passed rigorous testing at an independent laboratory to confirm their stability under extreme shock and vibration conditions. With these open computing standards beginning to attract the

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Regional Offices

Schroff UK

Maylands Avenue

Hemel Hempstead

Hertfordshire

HP2 7DE

Other

United Kingdom

01442 218726
Schroff GmbH

Langenalber Str. 96 - 100

75334 Straubenhardt

Other

Germany

+49 7082 794 0 +49 7082 794 200 www.schroff.biz

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