New compact M12 stainless steel cylindrical safety switcheselobau is introducing the 122MS series of stainless steel cylindrical safety switches as the latest addition to its range of magnetically actuated safety switches. The 122MS safety switches have been specifically designed for applications in food processing machines used within the packaging and meat processing industry. Furthermore, they are designed in accordance with EN ISO 13849 to provide PLe/SIL 3/Cat 4 level safety when used in conjunction with an elobau safety relay or another suitably certified safety relay.
The new stainless steel safety switches have been designed having worked closely with customers in order to understand fully the application and the working environment. These new elobau 122MS safety switches can be used in all types of applications in challenging environments where safety is paramount.
A robust yet compact M12 stainless steel housing enables the magnetic safety switches to be used within the tight spaces that are common in this type of machine. A reliable switching distance of up to 9.5mm can be achieved (5mm when used with a 5mm offset). Switch tampering is reduced due to the compact design, enabling better switch concealment. A flat milled surface on the body of the switch ensures a secure installation, and also maintains the switch and actuator orientation. The matching actuator/magnet is also available in an M12 stainless steel housing, again, with a flat milled surface.
The units are designed for a switching voltage of 24V DC, and a maximum switching current of 100mA. All electronics, together with the integral four-pin M12 stainless steel connector, are sealed to IP6K9K. This allows cleaning of the process equipment with high pressure, and at high temperature. The operating temperature range is -25 to +80°C.
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