Johnson Controls C450YNN-1 Power Module, 24V Output, 120/240 Vac Input

Johnson Controls C450YNN-1 System 450 Power Module Overview

The Johnson Controls C450YNN-1 is a dedicated power module engineered to supply stable 24 V output to System 450 module assemblies. Accepting either 120 Vac or 240 Vac supply power at its input terminals, this module provides the flexibility required for a wide range of commercial and light-industrial HVAC control applications. It serves as the backbone of any System 450 assembly, ensuring consistent, reliable power delivery to connected control and sensor modules.

Key Features

• Provides 24 V output power to System 450 module assemblies
• Accepts 120 Vac or 240 Vac supply power at input terminals
• Designed for seamless integration with the Johnson Controls System 450 modular control platform
• Compact module form factor for easy installation within control panels
• Supports multi-module System 450 assemblies for expanded control capability
• Reliable, consistent power delivery for critical HVAC control sequences

System 450 Compatibility

The C450YNN-1 is purpose-built for the Johnson Controls System 450 platform — a versatile, modular control system widely used for temperature, pressure, and humidity control in commercial HVAC systems. The power module must be present in every System 450 assembly, making it an essential component for new installations and replacement applications alike.

Application

• Commercial HVAC control panel assemblies
• System 450 modular controller builds requiring 24 V power
• Retrofit and replacement of existing System 450 power modules
• Light-industrial process control environments

Specifications

• SKU: C450YNN-1
• Brand: Johnson Controls
• Output Voltage: 24 V
• Supply Power Input: 120 Vac or 240 Vac
• Compatible Platform: Johnson Controls System 450 Module Assembly