Description
The Siemens MT0075A is a 75 VA control transformer designed to step down primary voltages of 240V or 480V to a 120V secondary output, making it an essential component in commercial and industrial HVAC control circuits. Built to Siemens’ exacting quality standards, this transformer provides stable, reliable low-voltage power to control panels, relays, contactors, and other building automation devices.
Key Features
- 75 VA transformer capacity for dependable control circuit power
- Dual primary voltage input: 240V or 480V
- 120V secondary output for standard control circuit compatibility
- Compact, panel-mount design suitable for commercial and industrial applications
- Engineered for use in HVAC, building automation, and motor control applications
- Siemens quality construction for long service life and consistent performance
Specifications
- Model: MT0075A
- VA Rating: 75 VA
- Primary Voltage: 240V / 480V
- Secondary Voltage: 120V
- Brand: Siemens
Applications
- HVAC control panels and building automation systems
- Motor control centers and relay panels
- Commercial and industrial control circuit power supply
- Contactor and relay coil power in 120V control systems
The Siemens MT0075A is the dependable choice for contractors and engineers who need a proven step-down transformer to power 120V control circuits from higher-voltage distribution systems. Its dual-primary configuration adds installation flexibility, accommodating both 240V and 480V supply voltages without requiring separate transformer models.









