The Siemens KTH050 is a 45VA control transformer designed to step down 208V primary voltage to a 115V secondary output, making it an essential component for powering low-voltage HVAC control circuits, building automation systems, and related electrical equipment.
Overview
Built to Siemens’ exacting quality standards, the KTH050 provides stable, consistent power conversion to protect sensitive control components from voltage irregularities. Its compact design makes it well-suited for panel mounting in commercial and light industrial HVAC applications.
Key Specifications
- Model: KTH050
- Primary Voltage: 208V
- Secondary Voltage: 115V
- VA Rating: 45VA
- Brand: Siemens
Features & Benefits
- Step-down transformer ideal for HVAC control circuit applications
- 45VA capacity supports a range of control loads
- 208V to 115V conversion for compatibility with standard control equipment
- Reliable Siemens engineering for long service life
- Compact form factor suitable for panel or enclosure mounting
Applications
- Commercial HVAC control panels
- Building automation and energy management systems
- Fan coil unit controls
- VAV box controllers and actuator power supplies
- General low-voltage control circuit power








