Large-surface sensor button RB 50

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New large-surface sensor button

With a size of 50 x 50 mm the new large-surface sensor button RB 50 from SCHAEFER offers more flexibility and creative freedom when designing glass fixtures. Rainbow Button 50 is a non-contact button for integration behind isolating material like e. g. glass, acryl glass, etc. The design of the visible touch respectively signalling area is determined by the rear marking on the glass faceplate. The respective area is illuminated by the button from behind. The standard choice of designs is round or square. However, individual designs can also be realized. There are no limits unlike the RB 42 with its area defined by two ellipses. A new marking option with engraved contoured fonts on the touch plate behind the faceplate creates a button illumination with an attractive depth effect. Just like with its little brother RB 42, the colour and the brightness of the permanent illumination and the recall light colour can be set independently via DIP switches or a PC software. Furthermore, the sensitivity of the button could be increased considerably which enables its use also behind very thick glass fronts. The button is available both in a variant with 3-wire and with 4-wire technology. Thanks to the disengageable button function, the RB 50 can also be employed as a luminous indicator. Here, the optional marking by means of a film offers even more flexibility.

Emergency call button

Furthermore, with the product RB 50 2M XI a button with an additional potential-free alternating contact is available. It provides two galvanically separated power supplies, one of which is meant for connection of the emergency power supply. Furthermore, it is equipped with SCHAEFER’s patented monitoring circuit. This checks the button function automatically in 24 h intervals. Thus an increased functional safety of the button is ensured and the RB 50 2M XI can be used as emergency call button. The sensor module Power Saver PS 42 can also be utilized with RB 50 buttons. The Power Saver enables the reduction of the permanent illumination brightness depending on the surrounding brightness or depending on signals from motion sensors and thus helps saving energy.

Liftjournal 03/2016

Last update: Jun 05, 2019

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