· PATENTED, ADVANCED TECHNOLOGY DESIGN! Lowest Current Drain Switch Machine Available (4 ma. during operation, 15 ma. at stall). Motor stalls at each end of throw—No Cutoff Contacts Necessary. Precision Engineered Gear-Drive Mechanism (superior to screw-drive machines). Enclosed Construction. Constant Tension on the Switch Points. · ULTRA-SIMPLE MOUNTING! No Additional Brackets or Linkage Necessary. Fulcrum adjusts for use in all Scales - Z to G. · PROTOTYPICAL SLOW MOTION ACTION! 3 Seconds to Complete Throw. · CONVENIENT AUXILIARY CONTACTS! 2 Sets SPDT Provided for Powering the Frog or Signals. · SIMPLIFIED WIRING! · ALSO IDEAL FOR GRADE CROSSING GATES AND SEMAPHORES! · UNPRECEDENTED 9 YEAR WARRANTY!