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Sensationally bright

Author : Paul Metcalfe is Rittal Product Manager for Enclosures & Automation Systems

05 May 2017

Poor light conditions in enclosures make the job of electrical professionals extremely difficult, not least because the colours of the cables are harder to distinguish. Dimly lit enclosures can mean mistakes creep in. A new generation of lights from Rittal, developed specially for enclosure technology, provides users with the perfect answer.

Rittal LED light series

“More light!” will be a familiar, exasperated cry to electrical professionals who typically have to work for several hours at a time on an enclosure. 

It’s all too common for lighting in an enclosure to be overlooked during planning, and it means that illumination is frequently poor whenever work has to be carried out - identifying the colours of different wires can be difficult or even impossible. But problems or delays during maintenance, or troubleshooting errors caused by insufficient lighting, can be expensive. 

What’s needed is a light that is integrated into the enclosure. It must meet a wide range of requirements of controls, switchgear and machinery manufacturers, as well as the needs of the service and maintenance personnel of the company that use it. 

Besides shedding an optimum amount of light, any solution needs to offer simple installation, flexible placement, and international applicability. The new generation of the Rittal LED system light that was first developed especially for enclosures, meets all these requirements and sets new standards in the marketplace.

LED technology with high energy efficiency

The new lights use LEDs as their source of illumination. 

LED technology, which has gained acceptance in many areas of the automotive industry, as well as in office and residential lighting, offers two key advantages.  First, LED is very energy efficient compared to fluorescent tubes, which means it supplies the same luminous flux with a much lower electrical power consumption and does not heat up to the same extent. Second, LED light sources have a far longer service life.

Two models of the new enclosure lights with luminous fluxes of 900 and 1200 lumens are being launched. However, for optimum illumination, the light must also reach the right places. This is achieved through an attachment of transparent plastic into which the so-called Fresnel lenses are integrated. These focus the light in such a way that the entire enclosure is precisely illuminated - even at the bottom. In other words, the light is directed to exactly where it is needed. If the enclosure light is not attached at the top but is laterally mounted in the enclosure, the lens cap can be easily removed and put back on the other way around without affecting performance.

There are three options for switching the enclosure lights on or off: 

LED lights are a bright idea

• a switch integrated within the light

• a door-operated switch (available as an accessory)

• a motion detector, which is a standard feature of lamps with 1,200 lumens

It means that there is no longer any need to assemble and wire a door-operated switch. One option is to equip the lights with a socket. The lamps are supplied with voltage in low-voltage distributors when the actual system is disconnected, so, even then, there will always be enough electricity to run a laptop, for example.

Integrates perfectly in the enclosure

The new enclosure lights fit neatly into Rittal’s TS 8 baying system. 

Typically, each model has three mounting options: a magnetic retainer, a clip fastener in the TS 8 section or by screw fastening, which simplifies ordering. The holders for screw-on mounting are simply unfolded from the body of the lamp. Assembly is easy and quick in each instance, saving valuable time during installation and minimising costs.

The new lights make assembly much easier; pre-assembled cables with connectors can be connected to the lights and the connector can be swivelled through 90°. It means that the cable can be easily installed even in narrow enclosures, at just 600mm wide. Lights in adjacent enclosures can be linked by connecting cables, which are also available pre-configured. 

The new enclosure lights have a wide-range input voltage of 100-240 V AC and can consequently be used in countries worldwide, removing one headache for customers in switchgear and controller production, and in mechanical engineering who operate internationally. The lights also have the relevant internationally important approvals (e.g. from the UL for the US market or the CCC for China).

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