Description
The Siemens MT0075B is a 75VA control transformer engineered for dependable low-voltage power conversion in commercial and industrial HVAC control applications. Stepping down a 240/480V primary supply to a 24V secondary output, this transformer delivers the stable, clean power that building automation systems, zone controls, and HVAC control circuits demand.
Key Features
- 75VA transformer capacity for powering a wide range of HVAC control loads
- Dual primary voltage input: 240V / 480V for flexible installation in various electrical systems
- 24V secondary output — the standard voltage for HVAC thermostats and control circuits
- Compact, robust construction designed for long-term reliability
- Suitable for commercial and industrial HVAC control panel applications
- Manufactured by Siemens, a globally trusted name in building controls and electrical components
Specifications
- Model: MT0075B
- VA Rating: 75VA
- Primary Voltage: 240V / 480V
- Secondary Voltage: 24V
- Brand: Siemens
Applications
- HVAC control panels and building automation systems
- Commercial heating and cooling control circuits
- Zone control and damper actuator power supply
- Industrial control panel low-voltage power conversion
The Siemens MT0075B is the ideal choice for contractors and engineers who need a reliable step-down transformer to power 24V HVAC control systems from standard 240V or 480V electrical supplies. Its dual-primary design offers installation flexibility across a broad range of commercial and light industrial environments.







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