Pull wire switch Ex ZS 71

single-polewatertightexplosion-proof

• Ex zone 1 and 21 • Metal enclosure • 2 contacts • Wire length up to 35 m • Spring force variant: 100 N • Compact design • Release by push button (VD) • Wire pull and breakage detection • Watertight collar W for protection against penetration of dirt • Position indicator A available • Attention: Please state required international approvals with your order! Applied standards EN 60947-5-1, EN 60947-5-5, EN IEC 60079-0, EN 60079-1, EN 60079-31, EN ISO 13850, EN ISO 13849-1 Enclosure aluminium die-cast, powder-coated Cover thermoplastic, glass-fibre reinforced, impact resistant, self-extinguishing UL 94 V-0 Degree of protection IP65 (IEC/EN 60529) B10d (10 % load) 200 000 TM max. 20 years Switch insert 1 x Ex 14 Contact material silver Switching system slow action, positive break NC contacts A Switching elements 1 NC/1 NO contact or 2 NC contacts, type Zb Connection pre-wired cable H05VV-F Cable length 3 m Cable cross-section 4 x 0.75 mm² (incl. conductor ferrules) Rated impulse withstand voltage Uimp 4 kV Rated insulation voltage Ui 250 V Conventional thermal current Ithe T6: 6 A, T5: 3 A Utilisation category AC-15; DC-13 Short-circuit protection 6 A gG/gN fuse Mechanical life > 100 000 operations Max. wire length 35 m Impact energy max. 7 J Ex marking L II 2G Ex d IIC T6/T5 Gb, L II 2D Ex tb IIIC T80 °C/T95 °C Db IECEx Ex d IIC T6/T5 Gb, Ex tb IIIC T80 °C/T95 °C Db