Littelfuse HCD Series Contactors

Littelfuse HCD Series Definite Purpose Contactors consist of 3-pole models from 50A through 120A. HCD contactors offer termination options including combo screws, screws with pressure plates, or lugs to meet a broad range of system needs. Acting as an on/off switch controlled by thermostats, these contactors are designed with consistent silver thickness for increased product life, making them ideal for the demands of a broad range of applications like food and beverage industries, lighting, welding, and water treatment plants.

Features

  • Double E magnet assembly:
    • For optimal performance with reduced power use
  • Movable contacts with heavy-duty silver cadmium oxide:
    • To help extend the life of the product
  • One-piece terminal design meets NEMA standards:
    • Allowing spacing without insulated terminals
  • Optional auxiliary switches:
    • Designed for use with 3-pole and 4-pole contactors
  • Termination options include combo screw, screw with pressure plate, or lug:
    • To meet a broad range of system needs
  • Universal mounting configuration:
    • Helps streamline installation

Applications

  • Food and beverage
  • HVAC/R
  • Lighting
  • Water/Wastewater
  • Welding

Technical Specifications

Parameters Values
Initial dielectric strength 2200VAC
Insulation system 130°C Class B 
Unit weight 50–60 FLA: 32oz
75–90 FLA: 64oz 
Power pole terminations Aluminum Box Lug 
Wire size 50–60 FLA: Box Lug 14–2
75–90 FLA: Box Lug 14–1 
Operating temperature range -40°C to +65°C