Component identification, possibly 'transformer switch'

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Discussion Overview

The discussion revolves around identifying a component found in an electrical control box for a spa heater. Participants explore the nature of the component, speculating whether it is a transformer, a switch, or a contactor, and seek to clarify its function within the system.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant suggests the component may be a transformer due to its coil, but also questions if it could function as a switch.
  • Another participant proposes that the components might be relays or contactors for the pump and heater element.
  • A third participant identifies the component as a "Hartland Controls series HCC contactor," providing links for further information.
  • A later reply confirms the identification of the component as a contactor and expresses understanding of its role in the system.

Areas of Agreement / Disagreement

While there is a general agreement that the component is a contactor, the initial identification as a transformer or switch remains contested, indicating multiple views on its nature and function.

Contextual Notes

The discussion does not resolve the initial ambiguity regarding the component's classification as a transformer or switch, highlighting the need for further clarification on its specific role.

preston8
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I am in the process of reverse engineering an electrical control box for a spa heater, and have stumbled upon a component that I have not encountered before.

IMG_0614_zpseb0a93db.jpg

IMG_0611_zps95b643d1.jpg


There are two of these components in the system. I was not able to find any information from the part numbers. The coil leads me to believe that this is a transformer. The additional nodes on the sides and the position within the system also lends to a type of switch. Is there such thing as a transformer switch?
 
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Might be relays (contactors) for the pump and the heater element...?
 
Indeed it appears to be a "contactor". I understand what role they play in this system now, thank you.
 

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