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Collector Trolley for Conductor System
Collector Trolley for Conductor System
Akapp-Stemmann BV, The Netherlands, has launched Pro-Ductor PR4, a new collector trolley for Akapp conductor system. The flat conductor system with uninterrupted conductors, Pro-Ductor is specially developed for automated warehouses and available in 4-, 7- and 10-pole versions. It can easily be mounted on all common shelf uprights. A new compact 4-pole collector trolley for current capacities up to 70A, type PCT4-4-70, is lighter and has smaller dimensions than the known type PCT4-4-125 (up to 125A). Equipped with rigid plastic terminal box, this trolley is a cheaper alternative compared to the 125A version. The self-aligning wheel guided trolley PCT4-4-70 is equipped with newly developed ball bearing wheels and is by default suitable for high speeds, up to 500 m/min. The parabolic wheels and the unique four spring construction ensure correct guidance of the collector trolleys in the section grooves of the housing. This results in minimal wear of carbon brushes and PVC railhousing and optimises the electrical contact with the copper conductors. The carbon brushes themselves are also spring-mounted, thus ensuring at all tolerances occurring a constant pressure. Within the housing types PR4, PR7 and PR10, max 4, or 7 or 10 uninterrupted copper conductors can be pulled in. Copper conductors 50A, 80A, 125A, 160A and 200A are available.
Compared to conductor systems with pre-fixed copper conductors to be connected per housing length, the use of these continuous copper conductors has following features: low wear of the carbon brushes, because no joints in copper; voltage drop remains constant and as low as possible; low maintenance costs, cleaning rarely necessary; also suitable for use in deep-freeze storages (temperatures down to -30°C); and suitable for use with aisle changing stacker cranes.
