Ziegler Thermistor Trip Relay

Ziegler Thermistor Trip Relay

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  • Model:

    252-PMT , 252-PMM

  • Request Code:

    252-PMT , 252-PMM

  • Company:

    Ziegler

  • Country:

    Germany

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Thermistor Trip Relay , when used in conjunction with positive temperature co-efficient thermistors, will help protect against : Sustained overload , Single phasing , Locked rotor , Blocked , ventilation , High ambient temperature . The protector comprises a voltage level detector which detects the voltage across the thermistor. At normal temperature, when the thermistor resistance is low, a command signal energises a Change-Over relay and a green LED showing ‘safe’ condition . At a pre - determined temperature, the thermistor resistance increases rapidly, which de - energises the relay. The actual trip temperature is governed by the thermistor characteristic, which can be obtained from the manufactuer’s data. Other features of this device are : - LED trip indication - 2 pole relay contacts - Auto/Manual reset Bornika is the exclusive agent of Ziegler company in the fields of consultation , sales and distribution of power industry products including Thermistor Trip Relay .

Specifications
  • Output D.P. Changeover
  • IP IP50
  • Dimensions 55x70x112 mm
  • Voltage Supply Auxiliary supply: A C . 50/60Hz : 110 , 120 , 220, 230 , 240 V ± 20% D.C : 12V, 24V, 48V, 110V , 125V +/-20 % including ripple
  • Burden 4VA
  • ANSI CODE 49
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More Details
  • Ziegler Thermistor Trip Relay
  • Failure of the supply to the unit or open circuit in thermistor winding will cause the relay to de-energise , thereby providing a fail safe facility. 252-PMT type : Automatic reset 252-PMM type : manual reset - Operating temperature : 0°Cto +60°C - Material : Flame retardant polycarbonate - Enclosure style : DIN-rail with wall mounting facility Applications : - Sustained overload - Single phasing - Locked rotor - Blocked ventilation - High ambient temperature
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