EFD21 Aluminium pushbutton box 1 and/ or 2 elements Type of protection: II 2 GD EEx d IIC Class of temperature: T6/ 85° C – T5/ 100° C – T4/ 135° C Protection degree: IP 65 / IP 67 Certificat: : INERIS 05 ATEX 0030 Ambient temperature: -20 + 40° C ( -20 + 60° C) Zone: 1 – 21 – 2 - 22 Description: The enclosure EFD21 are rectangular shaped and have cylindrical joint cover. The small dimensions allow easy mounting On request, it’ s available with 2 elements ( 2 pushbuttons, 2 pilot lights, 1 pilot light and 1 pushbutton, and other combinations with 1 element ( see data sheets C03 - C04 - C05) Materials: Body and Cover: aluminium alloy Screws: stainless steel Inhibiting treatment: Standard powder epoxy grey painting like RAL 7005 Threats: UNI 6125 ( ISO 7/ 1) . Applications: To contain elements destined to control and signalling for electrical circuits On request: NPT threat IP67 version Other epoxy painting colours different by the standard. Inhibiting treatment for salt mist