The enclosures ESX are normally installed in the industrial plants, with potential hazardous atmospheres of gases and combustible dusts, and therefore classified as Zone 1 – 2 – 21 – 22.
These enclosures are primarily used with the function of:
• Derivation end/or of cables collecting from the field and to the control rooms, for analogic signals and / or digital signals end / or measure signals what termocouples, signals 4 ÷ 20 mA etc. etc.
• Clearing barrier signals and 7 or of transposition signals from field to control room what Fild-Bus; Mod-Bus and Profi-Bus
• Control and start-stop of apparatus as motors, fans, pumps etc. etc.
• Reading of physical greatness which flow, level, pressure, temperature, current, voltage, frequency, speed control etc. etc.
Type of protection
for ambient temperature from –40°C up to +55°C
II 2 GD Ex e II T5 or Ex ia IIB/IIC T5
or Ex e [ia] IIB/IIC T5 T100°C Tcable 85°C
Technical data
These enclosures are made of stainless steel AISI 316L. The cover are fastened by means of antiloosening stainlewss stell screws, with cylindrical head and screwdriver cut. The fixing to wall of such enclosures is obtained to mean of holes on the fund of the same enclosure with the purpose to allow an easy assemblage of it. The terminal blocks, on special guide omega end/or DIN, are applicable on inside plate (on request) in electrolytic galvanized steel (Sendzimir).
The enclosures have internal and external stainless steel earth stud, provided with antiloosening split washer, to allow thr connection of a conductor up to 35 sqmm of cross section to the connection at equipotential earthing plant system.
The enclosures can be supplied (on request) also with removable flanges and hinges with special key lock.
Accessories and special execution on request
• Special hardware in stainless steel AISI 316 A4
• Set of nut and basket for restoration of the IP66 degree of protection
• ANSI B.20.1 NPT or GK UNI 6125 adapters with metric
• Unified joining flange for various enclosures, inclusive of gaskets for IP 66 degree of protection and stainless steel Inox AISI 316L fixing screws.
• Stainless steel internal plate
• Insulation material internal plate
• Passing earthing bolt
• Hinges
Hubs
