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Ruskin FSTF120-RUS Electric On/Off Spring Return Actuator 120VAC

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Special Price $758.67 Regular Price $842.12
In stock
SKU
FSTF120-RUS
The Ruskin FSTF120-RUS Electric On/Off Spring Return Actuator is designed to provide accurate control of airflow together with consistent torque for HVAC dampers. It has a spring-return mechanism that allows it to return to a predetermined position in case of a power failure. It is operated by 120 V AC and has a torque of 18 in-lb, power of 2W and holds power of 1.5W and has a maximum rotation angle of 95°. Suited for direct coupling to 1/2” shafts, it operates in the temperature range of 0°C to 50°C and relative humidity of 5% to 95%. Especially useful when used in HVAC systems to regulate the flow of air in dampers and vents.
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Manufacturer:
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Specifications

  • Type: Actuator
  • Torque Output: 18 in-lb
  • Voltage: 120 VAC
  • Power Consumption: Operates at 2W & Holds at 1.5W
  • Humidity: 5% to 95% RH non-condensing
  • Ambient Temperature Range: 32°F-122°F
  • Angle of Rotation: Max 95°
  • Mounting: Direct
  • Shaft Diameter: 1/2"
  • Switch Type: SPDT
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Product Questions (2)
Customer Questions
What maintenance is required for the Ruskin FSTF120-RUS Actuator?

Inspect the actuator regularly for dust, debris, or corrosion that may hinder movement. Ensure all electrical connections are secure and free from moisture. Test the spring return mechanism periodically to confirm proper operation. Follow safety precautions when handling live circuits.

What are common issues with the Ruskin FSTF120-RUS Actuator?

  • Failure to actuate or respond.
  • Intermittent electrical connection issues.
  • Noisy or stiff spring return operation.
  • Malfunction due to moisture or debris interference.

Installation Steps

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

Step 2: Remove the old actuator carefully, noting the linkage and wiring connections.

Step 3: Mount the new spring return actuator securely to the damper shaft or bracket.

Step 4: Connect the wiring according to manufacturer instructions, ensuring correct polarity.

Step 5: Restore power and test the actuator for proper open/close operation.