649 series
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TRAK-LOK ® 649 SERIES Limit Switch and Position Monitor Trak-Lok® 649 Series Limit Switch • UL & CUL approved The Trak-Lok 649 Series limit switch and position monitor provides point-to-point switch signaling combined with continuous on-site visual monitoring in one compact UL listed enclosure. It is ideally suited for use with the Tork-Mate® Series 890 pneumatic actuator for operation of Posi-flate inflatable seated butterfly valves. • CE marked The Trak-Lok 649 Series limit switch utilizes high grade components throughout for dependable and economical valve monitoring in an industrial process environment, providing improved information flow, safety management and productivity. • An O-ring seal protects moving parts of actuator and limit switch from contamination. The Trak-Lok® 649 Series Offers Distinct Advantages • High visibility display indicator provides visual “Open” and “Closed” valve position monitoring. Visible from above and all sides at distances up to 150 feet. • Start-up and operating personnel have instant access to the exact position of automated valves without placing themselves in awkward or dangerous situations. • Two SPDT limit switches provide positive end position indication of valve travel. • Standard housing is acceptable for indoor or outdoor installation and is corrosion resistant. Meets NEMA 4, 4x and 12 requirements. • Housing features integral mounting bracket with ISO VDI/VDE configuration for direct mounting to most actuators. • Polycarbonate housing with no external metal parts. • Housing requires no tools to open or close. Latches provide a secure non-corrosive fastening. • Replaceable O-ring shaft and housing seals available in a variety of materials. • Integral fugitive emissions monitor port. • Direct wire-feed terminal strip is numbered and color-coded with generous working space for wiring. • Internal design allows easy removal or replacement of components. Wires are securely held away from moving parts. • Cam profile engineered to provide rapid actuation of electrical switches.

Dimensions and Specifications Certification UL (Underwriters laboratory) CUL Classifications NEMA 4, 4x, 12 Enclosure Conduit entry: One (1) 1/2” - 14 NPSM Terminal strip: 9 point standard Material of Construction Black polycarbonate Weight 26 ounces (0.74 kg) 5.15" (130.70 mm) 5.79" (147.06 mm) 2.90" (73.5 mm) 1.13" (28.58 mm) 2.15" (54.48 mm) 1/2" - 14 NPSM CONDUIT ENTRY 2.12" (53.97 mm) 3.41" (86.49 mm) 1.91" (48.42 mm) 1/8"-NPT THREAD 5.48" (139.17 mm) 4.26" DIA. (108.08 mm) QUICK OPENING LATCH 2.70" (68.54 mm) 1.93" (49.12 mm) 2.82" (71.72 mm) .590" (14.99mm) 1.575" (40.01mm) 3.150"...