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 • Special version only for dust Ex zone 22 available • Attention: Please state required international approvals with your order! • Applied standards - EN 60947-5-1, EN 60947-5-5, EN 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 - IP 65 to 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 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)