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Definite Purpose Contactors

Definite Purpose Contactors
Definite purpose contactors act as thermostat-controlled on–off switches that close circuits when temperatures rise. Constructed with silver poles to ensure even heating and cooling as well as long life, each definite purpose contactors made by Littelfuse meets NEMA standards and complies with the A2L refrigerant requirement of UL Category Control Number (CCN) LZGH2/8 for Annex JJ of UL 60335-2-40.
  • Full inductive current load ratings from 30 A to 120 A
  • Full resistive current load ratings from 40 A at 600 V ac to 120 A at 600 V ac
  • Coil voltages of 24 V, 120 V, 208/240 V, and 480 V
  • Silver alloy poles
  • Combo screw, screw with pressure plate, or lug terminals
  • Operate at temperatures from –40 °C to 65 °C
  • Meet NEMA standards
  • Available with up to four poles
  • Use of two electromagnets reduces power requirements
  • Universal mounting configuration streamlines installation
  • Auxiliary switches available for 3-pole contactors

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Definite Purpose Contactors Applications

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Heat Pumps

Keeping heat pumps operating at peak efficiency ensures the comfort of building occupants and saves money. Consult this block diagram to identify

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HVAC

Leading OEMs rely on Littelfuse for critical electronic components of HVAC equipment. We engineer the broadest portfolio of devices to protect

Highlights Section

  • Food and beverage processing equipment
  • HVAC/R systems
  • Lighting systems
  • Water/wastewater systems
  • Welding machines

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