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These switches are “slack cable” style with ‘Slow-Make’ contacts. The switches are not ‘Positive Transfer’ and they do not latch in any position. They should NOT be used for any Emergency Stop applications. The action of these devices is that when the switch actuating arm is pulled by a cable the switch contacts will change state, that is, the NO will be closed and the NC will go open. When the force on the cable is removed from the actuator arm, spring pressure will return it to its normal position, while the contacts are held in position through a ratchet mechanism. The next time the cable is pulled, the action is repeated with the contacts returned to their original state. The housing and cover are made from a glass filled black polycarbonate. The mounting base and double end actuator arm are die cast from a high strength zinc alloy. All exterior steel components are made from #303 Stainless. Switches are provided with two 1/2 NPT conduit openings. The total maximum cable length recommended is 200 feet with a maximum interval support of 10 feet. The life of these devices is in excess of 150,000 mechanical and 1,000,000 electrical operations. Each captive terminal on the replaceable block will accept (2) #14 AWG stranded wires and the contact are gold plated to eliminate high resistance tarnishing. These devices can be found on various conveyor installations as well as other stations that require the “pull-on”, “pull-off” function that this being provides. Their rugged construction and long term reliability make these cable switches extremely well suited to function within various industrial environments. Note: The only difference between the 04945-000 and the 04945-500 is the relationship of the conduit entrances to the mounting feet, which is a 90 degree rotation.
WARNING: Before purchasing this product, read MSI'S Safety Component Disclaimer.
THE 04945-100 AND 04945-800 SWITCHES ARE NOT UL OR CE LISTED OR CSA/DEMKO CERTIFIED.
Electrical Ratings "HEAVY DUTY - A600 / N150” Certified under CSA C22.2 - File # LR 3648 CE Compliant IEC/EN 60947-5-1
Trip Force: 10 lb.Operating Force between 10ft. Supports: 1.2 lb.NEMA, UL IP Class: 4X, IP65Reset Type: Manual
Environmental Temperature Range Operating: +32°F to +131°F (0°C to +55°C) Storage: -40°F to +185°F (-40°C to +85°C) Note: Operating temperatures at 0°C are based on the absence of freezing moisture and liquids.
Actuating arms and contact blocks are field replaceable
See Installation Instructions for accessories that may be needed. These instructions are available at the links listed under Additional Information.