Definite Purpose Contactors

Looking for compact and cost-effective contactors for HVAC, refrigeration, or lighting applications? Our selection of Definite Purpose Contactors is built to meet the unique demands of commercial and light industrial environments. These contactors are ideal for switching single or three-phase loads where space and reliability matter.

Choose from a range of coil voltages, amp ratings, and pole configurations to match your exact needs. Each unit is factory-new, UL recognized, and designed for easy integration into control panels and equipment.

  • Designed for compressors, fans, pumps, and resistive heating
  • Quick-mount options with screw terminals or DIN rail compatibility
  • Engineered for long life and high-cycle performance

Shop our inventory of Definite Purpose Contactors today and get fast shipping and expert support for your next project.

  • Siemens/Furnas 42AF15AF contactor

    42AF15AF

    Siemens / Furnas 42AF15AF 25 AMP 2-pole contactor with a 110v50Hz/120v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications...

    $0.00
  • Siemens/Furnas 42AF15AG contactor

    42AF15AG

    Siemens / Furnas 42AF15AG 25 AMP 2-pole contactor with a 208-240v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF15AH contactor

    42AF15AH

    Siemens / Furnas 42AF15AH 25 AMP 2-pole contactor with a 440-480v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF15AJ contactor

    42AF15AJ

    Siemens / Furnas 42AF15AJ 25 AMP 2-pole contactor with a 24v50/60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF25AF contactor

    42AF25AF

    Siemens / Furnas 42AF25AF 25 AMP 4-pole contactor with a 110v50Hz/120v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications...

    $0.00
  • Siemens/Furnas 42AF25AG contactor

    42AF25AG

    Siemens / Furnas 42AF25AG 25 AMP 4-pole contactor with a 208-240v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF25AH contactor

    42AF25AH

    Siemens / Furnas 42AF25AH 25 AMP 4-pole contactor with a 440-480v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF25AJ contactor

    42AF25AJ

    Siemens / Furnas 42AF25AJ 25 AMP 4-pole contactor with a 24v50/60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens 42AF35AF definite purpose contactor

    42AF35AF

    Siemens / Furnas 42AF35AF 25 AMP 3-pole contactor with a 110v50Hz/120v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications...

    $0.00
  • Siemens/Furnas 42AF35AG contactor

    42AF35AG

    Siemens / Furnas 42AF35AG 25 AMP 3-pole contactor with a 208-240v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00
  • Siemens/Furnas 42AF35AH contactor

    42AF35AH

    Siemens / Furnas 42AF35AF 25 AMP 3-pole contactor with a 110v50Hz/120v60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications...

    $0.00
  • Siemens/Furnas 42AF35AJ contactor

    42AF35AJ

    Siemens / Furnas 42AF35AJ 25 AMP 3-pole contactor with a 24v50/60Hz coil and double quick connect terminals. This Class 42 definite purpose contactor comes with a metal base mount for mounting and is commonly found in HVAC and pump applications. The...

    $0.00