6 x M20 metal thread incl. 4 x threaded plug M20 8 x Ex-e, 1 x PE Ex stock for 4pcs. If stock depleted then lead time 10 weeks GHG 791 01 up to 6 terminals / GHG 791 02 up to 8 terminals Marking accd. to 94/9/EC II 2 G Ex dem ia II, IIC T6 / II 2 D Ex tD A21 IP66 T80 °C EC-Type Examination Certificate PTB 00 ATEX 3108 IECEx Certificate of Conformity IECEx BKI 07.0034 Marking accd. to IECEx Ex e II T6 / Ex ia IIC T6 Ex tD A21 IP66 T58 °C Permissible ambient temperature –20 °C to +40 °C / –55 °C to +40 °C (option) Rated voltage 690 V / 550 V 1) Rated current depends on terminal cross section Terminal cross section max. 3 x 4 mm 2 or 1 x 10 mm 2 with pin cable lug + 1 x 2.5 mm 2 fine wire max. 3 x 6 mm 2 or 4 x 4 mm 2 solid-wire Protection class I Degree of protection accd. to EN 60529 IP66 Enclosure material Polyamide