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  • Switch Tips: Photointerrupter switches
    Ordinary electromechanical switches are not the only choices for applications demanding long life. To get a long-lived switch it is possible to use a photointerrupter in lieu of mechanical fixed and movable contacts. Photo interrupters also avoid the ancillary limits of lubricants and internal I2R
  • Switches and the NEC
    system Wall switches and circuit breakers are likely the part of the building electrical system with which technical personnel have the most direct contact. The NEC article that covers switch connections is Article 404. The most basic prescription of 404 is that switches make or break the hot lead
  • Cam-action switches
    of a knob. These switches are high-volume industrial devices generally constructed in sections or decks, each of which contain one or more sets of contacts (poles). Manufacturers can gang decks together as necessary to get the right number of contacts. The upper limit is about 12 decks. The contacts
  • Specifications
    For basic and plunger-actuated switches, this is stated as a range. The low limit indicates the smallest differential obtainable. For switches with leaf or lever actuators, the movement differential is generally the maximum movement of the actuating device that ensures operation of the switch
  • Traditional solenoid valves are simple to install but may not be the right solution for long term reliability or high flow applications
    applications to provide vastly improved flow characteristics and consistent performance. Electric actuators consist of a motor, a gear train, cams and limit switches. The electric actuator requires two electrical input signals; one to open and another to close the valve. DynaQuip actuators are available
  • MICRO: Product Technology News
    floats that activate reed switches when the liquid level rises or falls, providing an output signal. Available in Form A and B contact types, the magnetically operated, hermetically sealed proximity switches require no external power and handle switching voltages up to 400 V dc. Designed to be mounted
  • MICRO: Products
    component, the system limits dishing and erosion to 200 A or less, with almost no global oxide loss. The module can polish both copper and barrier metals at the same station. The platform can also perform copper-plating processes. The system delivers up to 60 wafers per hour in typical copper CMP
  • MICRO: Spotlight
    when planarization is reached, preventing overpolishing. (S.F., South Hall, Booth 417) The HPS Integrated LoPro (ILP) two-stage valve from is a vacuum poppet valve and a bypass valve in a single unit. The valve's compact size and ultracompact limit-switch option assure that it will fit into tight

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