- Conforming to Standards : IEC 947-5-1, EN 60 947-5-1, IEC 337-1, VDE 0660-200 - Impact-resistance double insulated polypropylene, coloured yellow throughout - Approved to UL listed A600-Q600 & CSA A600-Q600 - IP 65 ( to IEC 529) protection against ingress of dust and water - Double insulation to class 11 IEC 536 - Ambient air temperature range -25°C to + 75°C - Humidity depending on ambient temperature up to 95% RH - Mechanical durability of 1 million operations - Light weight - Dual or single pressure push-buttons - Positive feel switching - Mechanical interlocks on opposite motions - Shrouded rubber sleeve with stepped entry diameter for cable Ø8... Ø26 mm - Rated insulation voltage 600V conforming IEC 947-1 - Slow break contact operation model - Mushroom head emergency stop push-button with positive operation to IEC 947-1 - Terminal identification by numbers to CENELEC EN 50013 - Short circuit protection 10A or less - Operating rate up to 3600 operations/hour at 5A ( well in excess of crane duty) - Approved by VDE, SEV, ASE, DEMCO, SEMCO and others - Easy to operate ergonomic design with recessed push-button position ( helps prevent inadvertent operation)