Description
The Johnson Controls C450SPN-4 is a 1 Analog Output Expansion Module designed to extend the output capacity of compatible C450 Series electronic controllers. This expansion module allows building automation and HVAC control system integrators to add additional analog output channels, enabling more precise and flexible control of connected equipment such as variable-speed drives, modulating valves, and damper actuators.
Key Features
- Adds 1 analog output channel to C450 Series controllers
- Designed for seamless integration with Johnson Controls C450 controller platform
- Supports modulating control of HVAC and building automation devices
- Compact module design for easy installation within control panels
- Expands system flexibility without replacing existing controller hardware
Applications
- Building automation systems (BAS)
- Commercial HVAC control panels
- Modulating valve and actuator control
- Variable frequency drive (VFD) speed control signals
- Damper actuator positioning
Why Choose the C450SPN-4?
The C450SPN-4 expansion module is an efficient, cost-effective solution for engineers and technicians who need to scale up analog output capacity on existing C450 controller installations. Rather than replacing an entire controller, this module plugs into the C450 platform to deliver additional control points, reducing installation time and overall system cost. It is a trusted Johnson Controls component backed by the brand’s reputation for reliability in commercial building controls.







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