Flameproof Safety Switches

Features

Switches are provided in Flameproof Enclosure as per IS:2148-2004. For Gas Groups IIA & IIB the Enclosure is made from Alloy Cast Aluminium Grade LM6.

For Gas Groups I, IIA & IIB the Enclosure is made from Cast Iron Grade FG-150. Enclosures are epoxy painted by electrostatic powder coating technique.
Effective sealing is provided by specially designed Nitrile Rubber 'O'Rings for the covers and shaft entries to achieve IP65 grade of protection.
Cover fixing Allen Head Screws are made from High Tensile Steel duly zinc plated. Built in terminal box provided for sophisticated models, incorporating moulded stud type terminals for easy wiring/looping.
Switching elements have Silver-Cadmium alloy tipped contacts with double break and wide contact separation for optimum switching performance.
Threaded cable entries to suit Flameproof cable glands. (Cable Glands on request at extra cost)

Applications:

>> Coal Mines
>> Petro Chemical Industries