Yaskawa Heavy Duty Limit Switches
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BESTACT SOLUTIONS INC. FLOODTIGHT HEAT-RESISTANT HEAVY DUTY LEVER-OPERATED TYPE PSKU-LJC SPRING RETURN TYPE PIKU-^MAINTAINED Yaskawa Heavy Duty Limit Switches have been unloaders and large industrial machines, used developed through many years of experience in in severe atmospheric conditions, sophisticated techniques. Suitable for heavy duty applications involving cranes, conveyors. Spring Return Roller Lever, Type PSKU-HOC Spring Return Cylindrical Roller Lever, Type PSKU- 110CB (Horizontal Mounting) Spring Return Cylindrical Roller Lever, Type PSKU-1 IOCV (Vertical Mounting) Spring Return Pull Lever, Type PSKU-110CE Spring Return Pull Lever, Type PSKU-110CO Maintained Fork Lever, Type PIKU-110 Operation Life Interrupting Capacity Electrical life: More than 500, 000 operations 200 VAC 100 A, 440 VAC 50 A Switching Frequency 1200 operations/hour Mechanical life: More than 5, 000, 000 operations Location • Indoors and outdoors For installation in a location where a corrosive gas or vapor exists, consult us. • Ambient temperature: -10°C to +80°C

Table 1 Ratings and Specifications of Heavy Duty Limit Switches Switch Action and Contact Operation Spring return and Slow make and break Maintained and Snap action Contact Actuation Contact Arrangement Available Rated Insulated Voltage Recommended Speed of Actuation Roller lever Cylindrical roller lever (horizontal mounting) Cylindrical roller lever (vertical mounting) Pull lever Pull lever Roller lever Fork lever With switch mounted on stationary part: 90m/min With switch mounted on movable part: 60m/min t With the permanent magnet Note: 1. The actuator speed of type PSKU-OC, when used on...

Outstanding Environmental Immunity Easy Inspection and Maintenance of Contacts The switch was immersed in water 1 m below the water surface for 30 minutes, and verified that water did not enter the inside of enclosure. The enclosure made of die-cast aluminum features high impact resistance as well as light weight. Gasket is positioned between the cover and the body, and insures complete oiltightness together with the seal around shaft opening where sealed ball bearing is employed. See Fig. 2. High Reliability The switch is provided with high reliability in mechanical and electrical...

Floodtight Type, Floodlight and Heat-resistant Type Stuffing box of 13 mm dia is standard for lead entrance. To connect flexible or heavy-gauge conduit, remove the stuffing box and use G 1/2 pipe threads on the entrance. Saddle clamp terminals employed for contact block terminals can be easily adopted to accomodate unstranded wires. Operating direction Contact arrangement Switch type Roller Lever Spring Return Type PSKU-LlC (Floodtight) Type PSKU-HDH (Floodtight and Heat-resistant) Operation in both directions Clockwise operation Counterclockwise operation

Cylindrical Roller Lever (Horizontal Mounting) Spring Return Type PSKU- [JCB For conveyor belt deviation protection 1. Lever is actuated by the edge of conveyor belt. 2. Lever moves only clockwise as indicated. Indicated operating direction is facing the front. 3. Note that the movement beyond overtravel limit position causes damage to the switch. 4. Operating torque: 225.4 N.cm (23 kgf.cm) to 264.6 N.cm (27 kgf.cm) Note: Parenthesized contacts are Roller Lever (Vertical Mounting) Spring Return Type PSKU-'/.]CV For conveyor belt deviation protection Basic type Note: Parenthesized contacts...

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FLOODTIGHT HEAT-RESISTANT LIMIT SWITCHES HEAVY DUTY LEVER-OPERATED TYPE PSKU-uC SPRING RETURN TYPE PIKU- [[[MAINTAINED A SAFETY PRECAUTION Although the product(s) are produced under strict quality control and should not malfunction, if there is any chance for bodily harm or property damage while in use you must apply a safety device or other necessary measure to prevent this from happening. BESTACT SOLUTIONS INC. c/o Yaskawa Electric Corporation Yukuhashi Division 2-13-1 Nishimiyaichi Yukuhashi, Fukuoka, 824-8511 Japan Phone: +81-930-58-8200 Fax: +81-930-24-7131 Yaskawa America, Inc.,...