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Trane SWT03012 2P Limit Switch Manual Exposed Open 48°F Close160°F

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Special Price $110.97 Regular Price $154.95
In stock
SKU
SWT03012
The Trane SWT03012 Limit Switch Manual Exposed is a temperature-controlled control that monitors the conditions in the system and alerts the control circuit when the temperature limits are reached. It operates by using an internal thermal sensing element which responds to the temperature of the surrounding environment and opens the 2-pole contact mechanism which opens at 48 F and closes at 160 F so the control circuit can react during operation in HVAC systems. The switch is mounted in the temperature sensing section where the exposed sensing surface detects the conditions of heat and electrical terminals are connected to the control wiring.
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HVAC Controls & Electrical, Safety & Limit Devices
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Product Questions (2)
Customer Questions
What maintenance is required for the Trane SWT03012 Limit Switch?

Regularly inspect the switch for dust, corrosion, or physical damage. Ensure the contacts operate freely and connections are secure. Periodically test the switch to verify proper opening and closing temperatures, maintaining safe and accurate system control.

What are common issues with the Trane SWT03012 Limit Switch?

  • Contacts sticking or failing to open/close.
  • Corrosion on terminals or contacts.
  • Inaccurate temperature triggering.
  • Loose or damaged wiring.

Installation Steps

Step 1: Turn off power to the system before starting installation.

Step 2: Mount the limit switch in the designated location, ensuring exposure to the monitored surface.

Step 3: Connect the wires to the control circuit according to the wiring diagram.

Step 4: Adjust the manual setpoints if needed, ensuring correct settings.

Step 5: Secure all wiring to prevent strain or accidental disconnection.

Step 6: Restore power and test the switch operation by simulating temperature changes.