Definite Purpose Contactor 30 Amp 3 Pole 24V Coil
  • CERTIFIED: UL Recognized for application under UL File No. E527126 for USA and Canada; also approved for UL 60335, which is the future of HVACR electrical safety compliance with new GWP refrigerant standards.
  • MEETS OEM STANDARDS: Our definite purpose contactors are rigorously tested to meet OEM standards, exceeding those required by UL, including life cycle testing, environmental performance, and design specifications.
  • INSTALLATION: Designed with an industry-standard mounting plate and can be used as drop-in replacements for existing HVAC definite contactor installations. Typically used for specific applications and installed in end-use products and systems such as air conditioning, resistive heating, refrigeration equipment, hot tubs, and more.
  • SPECIFICATIONS: 3 Pole / 30A / 24V AC Coil, Terminals: Line & Load Lugs, SCCR of 100kA at 600VAC. Westinghouse Model No. DW303A-110.
  • WHAT'S INCLUDED: (1) Three-pole definite purpose magnetic contactor.
Where to buy


Westinghouse definite purpose contactors boast UL certification for applications in the USA and Canada, complying with future HVACR electrical safety standards. These rigorously tested contactors exceed OEM and UL standards, offering seamless installation as drop-in replacements for HVAC systems, including air conditioning, resistive heating, refrigeration equipment, hot tubs, and more.

DW303A-110