Description
The Siemens MT0100B is a 100VA control transformer engineered to step down line voltage from 240/480V primary to a 24V secondary, making it an ideal power source for low-voltage HVAC control circuits. Designed for commercial and industrial HVAC applications, this transformer delivers consistent, stable 24V output to power thermostats, relays, contactors, and other control components throughout your system.
Key Features
- Primary voltage: 240/480V
- Secondary voltage: 24V
- VA rating: 100VA
- Manufacturer: Siemens
- Model: MT0100B
- Designed for HVAC control circuit applications
- Suitable for commercial and industrial installations
Application
The MT0100B is commonly used to power 24V control circuits in commercial HVAC systems, including rooftop units, air handling units, and hydronic systems. Its dual primary voltage configuration (240/480V) provides installation flexibility across a wide range of electrical service configurations, reducing the need for multiple transformer SKUs on the job site.
Why Choose Siemens
Siemens is a globally recognized leader in building technologies and electrical infrastructure. Their control transformers are built to deliver long-lasting, dependable performance in demanding HVAC environments, helping contractors and facility managers maintain reliable system operation.







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