Johnson Controls Y350R-1 Class 2 Step-Down Transformer Power Module 120-240V to 24V

The Johnson Controls Y350R-1 is a Class 2 rated transformer power module designed for HVAC control systems and building automation applications. This compact step-down transformer converts dual-voltage input (120-240 VAC) at 50/60 Hz to a low-voltage 24 VAC output, making it compatible with a wide range of commercial and residential HVAC equipment.

Key Specifications:

• Input Voltage: 120-240 VAC, 50/60 Hz
• Output Voltage: 24 VAC
• Power Rating: 10 VA
• Class 2 Transformer (energy-limiting for safety)
• Rectified power module design
• Compatible with System 350 Series controllers

This transformer module is commonly used with Johnson Controls set point controllers and plug-in accessory modules for single-stage, multi-stage, and proportional control applications. The Class 2 rating ensures built-in overcurrent protection, making it a safe and reliable choice for temperature control systems, sequencing applications, and building automation installations.