Sai Industries make Flameproof Weatherproof Rotary Switch 16A SP - dual chamber made in die cast Aluminium Alloy LM6 Suitable for Zone 1 and 2, gas group IIA and 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/SS/1050 with 2nos. 3/4 ET Cable Entries at bottom but without Cable Glands and Stopping Plugs.