Johnson Controls A350RS-1C

Johnson Controls A350R Reset Electronic Temperature Control with Relay, -30 to 212 deg F, 1 - 30 deg F Differential


Manufacturer part number:



Johnson Controls

Johnson Controls A350R Electronic Temperature Control, Reset, -30 to 212 deg F, 1 - 30 deg F Differential, (1) SPDT, Open/Close On Rise Switch, 1 Switch, PTC Silicon Sensor, 1 Stage, 20/30 VAC, 1 Relay Inputs, 1 Relay Outputs, Surface/DIN Rail Mount, NEMA 1, High Impact Thermoplastic, Blue, 2-1/2 Inch L x 2-1/2 Inch W x 5 Inch H
  • Modular design enables stage, display, and transformer modules to be purchased and installed as necessary
  • Adjustable master reset setpoint (M. R. S.) enables the user to select a master (outdoor) sensor temperature starting point for the supply reset ramp
  • Adjustable minimum and maximum supply temperature permits compliance with equipment manufacturer’s specifications
  • Selectable warm weather shutdown temperature saves energy by disabling equipment when the master sensor temperature rises to a point where heating is no longer required
  • Adjustable setback temperature saves energy by lowering the supply temperature setpoint at night or during unoccupied periods
  • For stand alone device or in conjunction with plug-together accessory modules
  • 1 Relay Input
  • 1 Relay Output

Standard/Approvals: CSA Certified, UL Listed

Products specifications
Attribute nameAttribute value
Differential1 - 30 deg F
Dimensions2-1/2 Inch L x 2-1/2 Inch W x 5 Inch H
Enclosure TypeNEMA 1, High Impact Thermoplastic
ManufacturerJohnson Controls
Mounting TypeSurface/DIN Rail
Sensor TypePTC Silicon
Switch Type(1) SPDT, Open/Close On Rise
Voltage Rating20/30 VAC