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Enclosure for extreme applications

18 February 2019

New versions of the Rittal VX25 enclosure system are available in stainless steel and NEMA 4X to enhance corrosion protection and to ensure that equipment is shielded from dust, as well as from splashes and jets of water.

The new Rittal VX25 large enclosure system is available in stainless steel to deliver the highest level of corrosion resistance. The frame structure, doors, panels and the gland plate, as well as all the external parts such as 180° hinges and comfort handle variants, are all made of stainless steel.

While the sheet steel and stainless-steel enclosure types have IP 55 and NEMA 12 protection categories as default, the optional NEMA 4X version, with its corresponding IP 66 category protection, offers greater protection. This means that the electrical and electronic equipment in the VX25 is protected from dust, water splashes and jets, even in the most demanding of environments.

To achieve the high NEMA 4X protection category, the enclosure underwent a water jet test. This procedure involved examining any gaps with seals for leaks using a jet of water with a flow rate of over 240 litres per minute for a test period of 40min/30sec (6mm/sec per seal length).  The tests confirmed that no water would penetrate the enclosure, under comparable conditions.

In addition, the tests included a check of the dust protection, corrosion resistance, and protection against damage caused by external ice formation.

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