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Modular Electronic Control System

System 450

Modular Electronic Controls

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.


  • Durable, compact modular design with plug-together connectors and DIN rail or direct wall mount capability
  • Multipurpose, field-configurable modules designed for global use
  • Backlit Liquid Crystal Display (LCD) and four-button touchpad user interface
  • Up to three inputs and up to ten outputs (relay or analog)
  • Versatile, all-in-one, stand-alone control modules
  • An extensive suite of compatible temperature and humidity sensors as well as pressure transducers
  • High input signal selection
  • Differential control
  • Adjustable user-defined reset setpoint (C450R Only)
  • Adjustable minimum and maximum setpoint temperature (C450R only)
  • Selectable warm weather shutdown temperature (C450R only)
  • Adjustable setback temperature (C450R only)

Products List13 items

Product CodeModule typeOutputLCD Display
Control Module Single RelayBack Light
Control Module Two RelaysBack Light
Control Module Single Analog OutputBack Light
Control Module Two Analog OutputsBack Light
Control Module1 Relay SPDTYES
Control Module2 Relay SPDTYES
Expansion Module1 Relay SPDT---
Expansion Module2 Relay SPDT---
Expansion Module1 Analog Output (PI)---
Expansion Module2 Analog Output (PI)---