Intrinsically safe limit switch box ST3

with stainless steel housing

The Limit Switch Box SENDERTOP ST3 series is designed to provide an instant and reliable feedback signal for the position of a valve actuated or manually operated in Hazardous area. Exia intrinsically safe type of protection. IP66/67 protection type. Aluminum Enclosure and SS AISI-316 High visibility green / red status indicator. Precise cam adjustment, through "Miller" system. Terminal block with 8 positions. Electrical inputs M20x1.5 or ½ "NPT-F. Possibility to mount a wide range of limit switches.NAMUR bracket for mounting on actuator with hub spacing 30x80 e 30x130, pinion h. 20mm and 30mm, available on request in painted steel or stainless steel Switches  Mechanical SPDT gold plated 0,1A@30VDC.  Magnetic hermetically sealed proximity type SPDT 0,25A@175VDC.  Inductives NAMUR, 2 wires. Enclosures  Low copper content Aluminum with double layer of black epoxy coating.  CF8M (AISI-316) Stainless Steel Ambient temperature  Standard : -20°C/+xxxx°C (NBR seals)  On request (Silicone seals) : o with mechanical switch -40°C/+xxxx°C; o with magnetic and inductives switches -50°C/+xxxx°C. xxxx = see ATEX certificate.