Junction box SIWAREX JB ATEX stainless steel housing to connect in parallel up to 4 load cells in 4-wire or 6-wire system; degree of protection: IP66; dimensions: 150 x 100 x 61 mm; for use in potentially explosive area II 2 G Ex ia/ib IIC T6 Gb; II 3 G Ex nA IIC T6 Gc; II 1 D Ex ia IIC T85 Cel Da; II 1 D Ex tb + ib IIIC T85 Cel Da IP66 II 2 D Ex ib IIIC T85 Cel Db II 2 D Ex tb IIIC T85 Cel Db