Circuitron 800-6000 The Tortoise Switch Machine Extremely Simple Under-Layout Mounting and all Linkage is included.Dimensions: 2” x 2” x 3 1/4” FEATURES: ADVANCED TECHNOLOGY DESIGN granted Circuitron a US Patent! Lowest Current Drain Switch Machine Available (4 ma. during operation, 15-16 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. FEATURES 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!