7551-7552 Position limit switch
Cross position limit switches designed for controlling the movement of overhead travelling cranes, hoists and complex machine tools. Heads with different types of rods and movement for speciic applications.
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Rods with 4 maintained positions every 90°. 4 ixing holes. Positive opening NC contacts for safety functions. Mechanical life of switches: 1 million operations. Operation frequency: 3600 operations/hour max.IP protection degree: 7551-7552 are classiied IP66 with speciic cable clamp M20.Extreme temperature resistance: -40°C to +70°C. It features die-cast aluminum alloy enclosure, with bushings made of sinterized material and head made of zama to resist any violent impact, chemical aggression and rust and reduce the need for routine maintenance operation on the head. 4 snap action switches with 1NO+1NC change-over contacts or slow action switches with 1NC contact. 3 outputs for cable clamps to reduce installation time and make wiring easier.