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  • How the Right Enclosure Air Conditioner Protects Your Equipment
    that its construction is compatible with that of the electrical enclosure so as not to affect the physical and electrical integrity of the enclosure. The unit should also have a NEMA rating and be approved by a Nationally Recognized Testing Laboratory (NRTL).
  • How to select an Actuator (part. 3): Electric Actuator
    Electric rotary actuators are basically geared motors with a variety of electrical accessories (limit switches, heater, circuit boards) that may be specified to meet the exact valve automation requirements of a process control system. As an electrical device it is housed in an enclosure designed
  • Vortec Chills Out Control Panels in Food Manufacturing Plants
    Food manufacturing equipment must withstand frequent. washdowns in order to maintain quality standards. Electrical. panels on this equipment therefore must maintain NEMA. 4X ratings. High temperature areas in manufacturing. plants, which become even hotter during the summer, make. maintaining
  • CABINET COOLERS END COSTLY SHUTDOWNS
    combined with heat put out by their laser cutting machine took the temperature of the non-air-conditioned shop up over 100°F. Soon, the heat took its toll on the electrical enclosures of the laser cutting machine. The computer produced a lot of error messages and stopped the operation. Lasercraft
  • Relays: Principle of Operation for Engineers
    to withstand 10 000 amps safely. Other aspects of the design must comply with a raft of regulatory requirements including parts of ANSI, NEMA and CSA standards. Contact clearance must be maintained at 3/8 (9.5mm) to UL508, while all plastic components must comply with electrical breakdown characteristics

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