BZC8050 series of proof and corrosion. Operating Zhu 
 Scope: 1 and Zone 2 dangerous places. IIA, IIB, IIC explosive gas environment 
 Features: Increased safety enclosures, explosion-proof components built components. Shell is made of glass fiber reinforced unsaturated polyester resin, has a beautiful appearance, corrosion resistance, static resistance, impact resistance and thermal stability and good properties for proof type control switch with compact structure, good reliability, small size, high capacity, long life, and with a variety of functions for the user to select. proof button by ultrasonic encapsulation process to ensure a reliable bonding strength, the button's function Two units can be freely combined, proof indicator by special design, AC 220V-380V universal. exposed fasteners are stainless steel, to prevent out design and easy maintenance. shell and cover the joints with the maze structure, with more good water, the dust capacity. meet GB3836-2000, IEC60079 standard request.