Ziegler Frequency Relay

252-PHU , 252-PHO , 253-PHD

    • Model
    • 252-PHU , 252-PHO , 253-PHD

    • Order code
    • 252-PHU , 252-PHO , 253-PHD

    • Country
    • Germany
  • frequency protectors provide continuous surveillance of the monitored circuit . When the frequency moves outside the set point limit, the relay will operate giving an alarm , control or tripping single . An illuminateda LED indicates when the relay is energised . Other features of this device are : - Adjustable setpoint - Adjustable differential - LED trip indication - Auto Reset - 2 pole relay contacts - Internal time delay (factory setable) Bornika is the exclusive agent of Ziegler company in the fields of consultation , sales and distribution of power industry products including Frequency Relay .

  • Visits: 127
Downloads
Specifications
    • Dimensions
    • Model 252 : 55x70x112 mm Model 253 : 75x70x112 mm

    • Approximate Weight
    • Model 252 : 0.4kg Model 253 : 0.6kg

    • Connection
    • 57-480V

    • Input frequency range
    • 50 , 60 , 400Hz

    • Input Burden
    • 3VA

    • IP
    • IP50

More details
  • Frequency Relay:
  • 252-PHU : Under Frequency 252-PHO : Over Frequency 253-PHD : Combined Under and Over Frequency(2 Relay , 2 Setpoints) - Operating temperature : 0°Cto +60°C - Material : Flame retardant polycarbonate - Enclosure style : DIN-rail with wall mounting facility The Protector can be used to protect for : - Under speed - Over speed - Under Frequency - Over Frequency - Protecting computer supplies - Gensets - use these relays to monitor correct operation of the engine speed controller (Governor) - Motors - Synchronous motors rotate at speeds proportional to line frequency. Use these relays to ensure correct running speed. - UPS supplies - When the main A. C. supply falls outside the acceptable operating voltage window , the relay can initiate a changeover to an alternate or standby supply .
Applications
  • Refinery

  • Electronics industry

  • Power industry

  • Packaging Industry

  • Petrochemical industry

  • Automotive industry

  • Marine and shipbuilding industry

  • Road Construction industry

  • Food industry

  • Telecommunications industry

  • Military and defense industry

  • Oil and gas industry

  • Power Plant industry

  • Panel building companies

  • Steel industry

  • Instrumentation Companies

  • Textile industry

  • Education and Laboratory industry

  • Publishing and Printing industry

  • Rubber and plastics industry

  • Manufacturing of metal products

  • Machinery and equipment industry

  • Industrial machinery, electrical appliances

  • Manufacturing of radio, television, communication devices and gauging devices

  • Measurement devices, medical and optical industry

  • Sugar industry

  • Materials and pharmaceutical products industry

  • Chemical products industry

  • The computer industry and related activities

  • Engineering services industry

  • Building industry

  • Tile and Ceramic industry

  • Cement, lime and plaster industry

  • Transport, warehousing and communications industry

  • Railway and subway industry

  • Meteorological industry

  • Aerospace Industry

  • Automation industry

  • Charger, inverter and converters manufacturers

  • Cathodic protection companies

  • Transformer manufacturing companies

Prices