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DampMotr 140# 120V NoShaft 25S

Siemens SQM50.480R1Z3 Combustion Actuator Motor – 120V Damper Motor, 140 lb-in Torque, 25 Second Stroke

The Siemens SQM50.480R1Z3 Combustion Motor is a high-performance actuator designed for precise positioning of air and fuel dampers in commercial and industrial burner systems. Built for reliability and accuracy, this 120V damper motor delivers 140 lb-in of torque and features a 25-second stroke time, making it ideal for combustion control applications that demand consistent and responsive operation.

This Siemens combustion actuator is part of the trusted SQM50 series, widely used in burner management systems for boilers, furnaces, and other fuel-fired equipment. Its durable construction and precision engineering ensure long service life in demanding HVAC and industrial environments.

🔧 Key Features

• Model: SQM50.480R1Z3

• Voltage: 120V

• Torque Output: 140 lb-in

• Stroke Time: 25 seconds

• Shaft Configuration: No shaft (designed for compatible linkage/drive setups)

• Application: Air and fuel damper positioning in combustion systems

• Brand: Siemens Combustion Controls

⚙️ Applications

• Commercial and industrial burner systems

• Boiler combustion control

• Furnace and heater fuel/air ratio control

• Retrofit or replacement for compatible Siemens SQM50 actuators

✅ Benefits

• Provides accurate and repeatable damper positioning

• Supports efficient fuel-to-air ratio control for optimal combustion

• Built for long-term reliability in high-demand environments

• Trusted OEM Siemens component for critical combustion applications

📦 Compatibility

Designed for use with Siemens burner management and combustion control systems that support SQM50 series actuator motors. Always confirm model and torque requirements before ordering.