Johnson C450SBN-4C Expansion Module, 24Vac

System 450™ is a family of modular, digital electronic controls that is easily assembled and set up to provide reliable temperature, pressure, and humidity control for a wide variety of Heating, Ventilating, Air Conditioning, and Refrigeration (HVACR) and commercial/industrial process applications. The System 450 control system is designed to replace System 350™ control system and System 27, and provide many additional features and benefits with less than a dozen model variations.

Direct Replacement for part #C450SBN-3C

Johnson C450SBN-4C Features:

• Also known as Stage Module
• DIN Mounting
• 24Vac
• 1 SPDT Output