Schmersal extends range of command and alarm devices

Schmersal is extending its comprehensive range of command and alarm devices for the food industry by adding devices with a blue sealing membrane. This new blue sealing membrane means the N-range not only fulfils the requirements in terms of sealing and hygiene-compliance, it also meets the requirement of making foreign bodies in foods traceable using optical systems. In order to meet this requirement, it is recommendable to use the colour blue in the food industry as no foodstuffs are naturally blue.

The new mushroom impact buttons NDTP30 and NDLP30 are an extension in Schmersal's product range of food and hygiene command and control devices. They offer the combination of an ergonomic small mushroom design and a large button surface. These mushroom impact buttons are also available as illuminated versions; this enables the user to get visual feedback from the device. The new mushroom impact buttons work with the standard EF contact and light elements.

The N-program was developed specifically for the food industry and other hygiene-sensitive applications. The product range consists of a large portfolio of command and signalling devices, also a variety of accessories (blind stoppers, rotary drives for potentiometers, step switches and main switches, etc) all of which fulfil the principles of "Hygienic Design".

The operating devices are designed in such a way that no contamination can settle, as their geometry has no corners or edges which allows them to be cleaned easily. At the same time, they are characterised by their excellent service life which is required by the IP69K degree of protection, IP69K guarantees that they withstand regular cleaning with a steam cleaner or high-pressure cleaners.

This is why Schmersal has a whole range of new blue push-buttons, illuminated push-buttons, mushroom push-buttons (some of them illuminating), or emergency stop mushroom push-buttons which were previously only available with black or white sealing membranes. Of course, these N-range devices are made exclusively from food-compliant materials.

The command and signalling devices in the N-range from Schmersal are also suitable for use in production areas with the highest clean-room classification (air purity class 1 according to ISO 14644-1). They have also been tested by the food and packaging testing and certification body of the DGUV for suitability with hygiene-sensitive applications: these tests showed that the control devices could be used in meat loading and processing machines without posing any hygiene risks.

For more information on the command and signalling devices, please go to

Schmersal Ltd

Sparrowhawk Close
Enigma Park
WR14 1GL

+44 (0)1684 571980

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