TRAN-75VA

Power Transformers Overview

The Hartland Controls/Littelfuse TRAN-75VA is a heavy-duty power transformer designed for industrial applications. It features triple primary windings supporting voltage ratings of 120 V, 208 V, 240 V, and 480 V, with a single secondary winding providing 24 V output. Rated at 75 VA, the unit utilizes quick connect terminals for both primary and secondary connections. The transformer is constructed for panel mount installation and measures 66.68 mm in length, 55.58 mm in width, and 38.1 mm in height.

Power Transformers Feature Summary

• Triple primary winding configuration enables compatibility with multiple input voltage standards including 120V, 208V, 240V, and 480V.
• Single secondary winding delivers a stable 24V AC output suitable for control circuit power requirements.
• Quick connect terminal design facilitates rapid electrical connection and integration into existing assemblies.

Power Transformers Applications

• Industrial control panels requiring isolated low-voltage power sources
• HVAC systems utilizing 24V control logic
• Automated machinery interface circuits
• Commercial building management systems

Power Transformers Procurement Notes

Verify that the application environment supports the specified voltage ratings and physical dimensions before ordering. Confirm that the quick connect terminal type matches the wiring harness or PCB layout requirements. Ensure the mounting style aligns with the enclosure design. Check for any specific environmental certifications required for the intended operational location. Review the datasheet for thermal derating information if operating near maximum capacity.

Power Transformers Selection Notes

Select this model when a robust transformer is needed to step down various standard line voltages to a common 24V level. The triple primary winding offers flexibility for global deployment without needing different part numbers for different regions. Consider the physical size constraints of the panel to ensure adequate clearance for heat dissipation and maintenance access.

Power Transformers Part Context

This component belongs to the HCT series of heavy-duty transformers from Hartland Controls. These units are engineered for mission-critical electrical switching and power conversion in demanding environments. The series emphasizes reliability and safety for aftermarket and original equipment manufacturer applications in sectors like HVAC, refrigeration, and vehicle charging infrastructure.

Power Transformers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout and voltage compatibility if considering alternative manufacturers. Ensure the replacement unit meets the same 75 VA rating and 24V output specification to maintain system integrity.