v_shortname: Zener barrier, Device provides intrinsically safe circuits for equipment protection level: Ga , Gb , Gc , Da , Db , Dc , Ma , Mb, Device suitable for mounting in equipment protection level: Gc, Device provides intrinsically safe circuits for division: Div. 1 , Div. 2, Device suitable for mounting in division: Div. 2, Type: DC version, negative polarity, Number of channels: 2, Supply circuit: Terminals 7, 8: max. 24.6 V Terminals 5, 6: max. 19 V, Measuring circuit: Terminals 7, 8: max. 24 V at 10 µA Terminals 5, 6: max. 18 V at 10 µA, Nominal resistance: Terminals 1, 8: 320 O Terminals 4, 5: 415 O, Series resistance: Terminals 1, 8: max. 340 O Terminals 4, 5: max. 437 O, Fuse rating: 50 mA, Design: modular terminal housing, see system description, Mounting: on 35 mm top hat rail in accordance with EN 60715:2001