Trane Furnas SWT-0529 SPDT Auxiliary Contact

Description:

The Trane Furnas SWT0529 auxiliary contact is used in Trane commercial HVAC equipment to provide additional electrical control contacts for motor starters, contactors, and disconnect switches. This SPDT (Single Pole Double Throw) auxiliary contact is commonly installed on Furnas motor control devices to provide status indication, interlocking, sequencing, and control circuit switching. HVAC technicians, electricians, and maintenance personnel use this OEM auxiliary contact for replacement, repair, and preventive maintenance of Trane commercial HVAC systems. The SWT0529 is rated for 10 Amps at 250 VAC and is designed for use with compatible Furnas control equipment.

Applications:

The Trane Furnas SWT0529 auxiliary contact is designed to expand the functionality of motor control equipment by providing an additional SPDT contact for signaling, interlocking, and control logic. It is commonly used in commercial buildings, manufacturing facilities, central chiller plants, rooftop HVAC units, and industrial automation systems where auxiliary status feedback and dependable electrical control are required.

Technical Specifications:

• Manufacturer Part Number (MPN): SWT0529
• Manufacturer: Trane / Furnas
• Product Type: Auxiliary Contact
• Contact Configuration: SPDT (Single Pole Double Throw)
• Current Rating: 10 A
• Voltage Rating: 250 VAC
• Function: Auxiliary Switching, Status Indication, and Electrical Interlocking
• Compatible Equipment: Furnas Motor Starters, Contactors, and Trane Commercial HVAC Control Equipment (application dependent)
• Mounting Type: Side-Mounted Auxiliary Contact Block
• Installation: OEM Replacement Auxiliary Contact
• Application Environment: Commercial HVAC, Industrial Motor Control, Building Automation, and Electrical Control Panels

Common Replacements:

• Trane SWT0529 OEM Auxiliary Contact
• Trane Service First SFSWT03533 SPDT Auxiliary Switch (application dependent)
• Furnas/Siemens SPDT 10 A Auxiliary Contact