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Belimo Assistant 2
Belimo Assistant 2
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Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator_2
Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator
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Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator_2
Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator
Johnson Controls VA-7482-1001 Actuator
Johnson Controls

Johnson Controls VA-7482-1001 Actuator


The Johnson Controls VA-7482-1001 is a precision-engineered linear electric valve actuator primarily designed for HVAC terminal unit valve control in compact spaces like fan coils, chilled ceilings, and manifolds. Part of the VA-748x/VA-7480 series portfolio, this device is widely known for its flexible field-mounting compatibility and smart self-calibrating capabilities.

Connection : This actuator connects to the valve body using a standard M30 x 1.5 threaded brass ring nut.

Core Technical Specifications

  • Control Type: Proportional modulation or 3-point floating control.
  • Input Signal: 0–10 VDC analog input with position feedback output.
  • Power Supply: 24 VAC/VDC operating voltage.
  • Actuator Output Force: 120 N (Newtons) of linear force.
  • Stroke Length: 3.2 mm (see below for explanation)
  • Operating Speed/Timing: Quick 8-second full-stroke operating time.
  • Action: Configurable direct-acting or reverse-acting controls.
  • Protection Rating: Compact IP54-rated housing providing high resistance to dust and splashing water.

Stroke length is the predefined distance that an actuator's shaft or stem is programmed to travel to move a valve from fully open to fully closed.

Why It Matters

  • Flow Control: It ensures the valve plug moves exactly far enough to control fluid or gas accurately.
  • Over-Travel Prevention: It prevents the motor from driving too far, which can crush the internal valve seat.
  • Under-Travel Prevention: It prevents short-cycling, ensuring the valve can fully shut off or open. The actuator automatically compensates for structural tolerances or debris buildup to ensure the valve closes 100% completely.