Enviro-tec PE-10-5105 Transformer

The Enviro-tec PE-10-5105 is a heavy-duty 50VA step-down transformer engineered specifically for HVAC control circuits and VAV terminal unit applications. Designed for high-voltage commercial environments, this 277V primary to 24V secondary transformer provides a stable 24V power supply for actuators, thermostats, and DDC controllers. Field technicians rely on the PE-10-5105 for its drop-in compatibility with Enviro-tec air handling systems, ensuring consistent voltage regulation under varying load conditions. Its 50VA rating offers sufficient capacity for multi-device control loops without the risk of nuisance tripping or overheating. The rugged construction minimizes electromagnetic interference (EMI), which is critical for maintaining signal integrity in sensitive building automation systems. Whether you are performing a field replacement or a system upgrade, this Class 2 transformer serves as a reliable power source for critical low-voltage HVAC equipment, meeting the rigorous demands of industrial electrical standards and 277V power grids.

• Precise Voltage Conversion: Efficiently steps down 277V line voltage to 24VAC for safe control circuit operation.
• 50VA Power Capacity: Provides ample volt-ampere capacity to power multiple zone dampers and sensors simultaneously.
• HVACR Grade Durability: Built to withstand the thermal cycles and vibrations common in air distribution equipment.
• Standard Footprint: Designed for easy mounting within existing control enclosures or on VAV boxes.

Common Technical Questions

What is the maximum load this transformer can handle?
The PE-10-5105 is rated for a 50VA output. To ensure long-term reliability, calculate the total current draw (Amps) of all connected 24V devices and ensure the sum does not exceed 2.08 Amps.

Can this be used on a 120V or 208V primary circuit?
No, this specific model is a dedicated 277V primary transformer. Applying a different primary voltage will result in incorrect secondary output or internal coil failure.

Is this transformer suitable for powering digital controllers?
Yes, the 50VA output is ideal for DDC (Direct Digital Control) systems, providing the clean power necessary for microprocessor-based HVAC components.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.