The SID-UV1Z P-RAST with Safety switch is a single-sided rope switch manufactured by Bernstein. It features a normally closed (NC) contact, and a normally open (NO) contact, and is certified for use in hazardous, wet and dusty environments. The switch has a temperature range of -30 to 80°C and a flame retardant to UL94 V0. In addition, it is protected against polarity reversal, water jets, dust, corrosion, low and high temperature as well as vibrations.