Rittal’s tips for configuring enclosures

Interior installation — quick and with plenty of space

High packing densities in enclosures and very short project times are just two of the challenges that switchgear manufacturers have to face today.

From a commercial point of view, the interior of the enclosure must be fitted out as quickly as possible, while, at the same time, as many components as possible must be fitted into the enclosure.

In order to meet these requirements, users need an enclosure system that offers a great deal of space and freedom for interior installation.

In any electrical engineering company where enclosures are used, it’s understood that once the enclosure has been selected the next step is installing the necessary components (power distribution systems, switchgear, automation components, clamps etc) and wiring them up.

All these components need to be arranged logically to make the switchgear or automation solution easy to follow. At the same time, the relevant standards and the component manufacturers’ installation instructions have to be taken into account.

But the time pressures are considerable; the interior fit-out must be completed as quickly as possible, and for switchgear manufacturers in particular, both time and cost pressures can be very high in many projects.

A lot of space on two levels

The TS 8 modular enclosure system from Rittal offers many well thought-out solutions that are not available elsewhere. The central element is the frame section of the TS 8 with its uniform 25-mm pitch pattern. Equipment can be installed very flexibly and “wasted space” due to the limitations of the mounting options is practically non-existent. In addition to the frame section, two mounting levels are available that are used for installation. By using the external mounting level, up to 15 percent more space is available in the enclosure than with a single-level alternative.

Taking full advantage of the gaps

The space between the bayed enclosures can also be effectively employed. A mounting plate infill can be inserted between two TS 8 bayed enclosures, creating a continuous mounting plate across both that can be freely populated. Or, the intermediate space can be optimally used for a cable duct. That allows more room for other components on the mounting plate which solves the problem of increasing packing densities in the enclosure.

Well thought-out installation concepts save time

Rapid installation pays off in two ways. Apart from the fact that a system can be completed more quickly, fewer staff are also needed, which therefore lowers costs.

Many systems require two people to install them (for example, to mount the side panel of the enclosure).

But with the TS 8, the side panel can first be suspended from the enclosure. It then remains in position without having to be held by a second person before it is screwed tight. Other TS 8 assembly steps (for example, changing the door hinges from one side to the other) are follow the same principle meaning it can be installed by one individual.

Meanwhile, dispensing with tools will also speed up installation. For example, one feature of the TS 8 is the Flex-Block base, the panels of which can be simply clipped on. The entire base has been assembled in less than a minute during installation workshops at Rittal.

With such well thought-out solutions, Rittal is supporting enclosure manufacturers in building space-saving switchgear that is quick to assemble.

In Summary: The TS 8 Assembly Benefits:

  • Two mounting levels lower the use of space by 15%
  • Optimum use of space between bayed enclosures by means of mounting plates and cable ducts
  • Side panels can be assembled quickly and by just one individual
  • The base system can be installed without using any tools

TS8 image 300dpi

 

 

Rittal Enclosures, Power Distribution, Climate Control, IT Infrastructure, IT networking Racks, Software & Service – http://www.rittal.co.uk follow us on twitter https://twitter.com/Rittal_Ltd

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Ri4Power Press Stoppers Offer In-Built Protection Against Arcing Faults

There are few things in our industry to compete with the destructive force of an arcing fault in the main or distribution busbars. Under IEC/TR 61641, all electrical assemblies must be able to withstand a short circuit current. Press stoppers are considered essential to comply with the standard as part of the design criteria for enclosures.

Rittal’s pressure stoppers provide all the necessary safeguards for Ri4Power enclosures, protecting people and equipment from the potentially violent consequences of this event.

When an arc between phases occurs not only is a huge amount of energy released but the spark created by the ignition can reach temperatures of more than 10,000 degrees Celsius.

This heats and expands the air within an enclosure creating a rise in pressure which can exceed the enclosure’s design parameters, leading to catastrophic failure.

Not surprisingly, this destructive force, allied with the sudden, explosive release of hot gases and particles into the surrounding atmosphere can have serious consequences for the operating personnel working on or standing close to the assembly line.

Furthermore, there are likely to be substantial equipment and production losses with associated lengthy repair time and costs, adding up to considerable economic losses.

Internal short circuits which can lead to arcs are typicallythe result of hot spots, tracking across insulation material, animals or vermin entering into the assembly, loose parts or human errors.

All electrical assemblies under IEC / TR 61641 must be designed to take all necessary steps to withstand a specified short circuit current that is liable to result in internal arc fault conditions.

Pressure stoppers for roof plates provide pressure reliefduring arc fault, and a pressure relief function is essential for compliance with health and safety regulations for arcing under IEC/TR 61641.

Rittal’s pressure stoppers convert the IP 55 roof plate for Ri4Power enclosures into a roof plate with pressure relief Ri4Power enclosures into a roof plate with pressure relief function. This modification only takes minutes and can be retro-fitted on site if necessary. Rittal’s pressure relief stoppers have been successfully used in low voltage applications up to 690 v 50 kA.

Pressure stopper

 

Further information at http://www.rittal.co.uk and http://www.friedhelm-loh-group.com, or on twitter @rittal_ltd.