Sai Industries make Flameproof Weatherproof Limit Switch FORK LEVER TYPE - single chamber made in die cast Aluminium Alloy LM6 Suitable for Zone 1 & 2, gas group IIA & IIB, Temp Class T6 with IP65 ingress protection with all stainless steel hardware and painted with epoxy based powder coated structured paint shade 631 of IS:5 certified by CIMFR + PESO as per Cat # SAI/LS/1053 with 1no. 3/4" ET Cable Entries at bottom but without Cable Glands and Stopping Plugs.