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Ziegler Frequency Relay

Ziegler Frequency Relay

  • Model:

    252-PHU , 252-PHO , 253-PHD

  • Request Code:

    252-PHU , 252-PHO , 253-PHD

  • Company:

    Ziegler

  • 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 illuminated 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 .

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Specifications
  • Dimensions Model 252 : 55x70x112 mm Model 253 : 75x70x112 mm
  • Approximate Weight Model 252 : 0.4kg Model 253 : 0.6kg
  • Nominal Voltage 57-480V
  • Input frequency range 50 , 60 , 400Hz
  • 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