Aluminium push button Boxes ( 1 row) for control and signalling EFDC Type of protection: II 2 GD EEx d IIB Class of temperature: T6/ 85° C - T5 / 100° C â T4/ 135° C Protection degree: IP 65* Certificate: INERIS 04 ATEX 0045 Ambient temperature: -20 + 40° C ( -20 + 60° C) Zone: 1 â 21 â 2 - 22 Description: The EFDC push button boxes are rectangular shaped and flanged cover fixed by socket head screws and two threaded holes for mounting fittings Materials: Body and cover: aluminium alloy. Screws: stainless steel. Inhibiting treatments: Standard powder epoxy painting like RAL 7005. Threats : ISO7/ 1 ( UNI6125) standard NPT ( ANSI B1.20.1) ISO228 ( UNI338) M25x1.5 ( ISO 261) on ¾ â M32x1.5 ( ISO 261) on 1â Application: To contain push buttons, pilot lights, selector switches, combined in several configurations. On request: * IP 65 protection with silicone grease Other epoxy painting colours different by the standard. Inhibithing treatments for salt mist. Cablegland for armoured ( PAD) or not armoured cable ( PN) Hub: Endriyanto 081932606387