VTX-146-300-155

Overview

The VTX-146-300-155 is a single primary, dual secondary toroidal transformer rated at 300VA. It features an open style construction and is UL approved. The unit accepts a 230V AC primary input. Secondary outputs provide 55V AC in parallel configuration or 110V AC in series configuration, with a maximum output current of 2.73A. The transformer utilizes lead wire connections for installation.

Feature Summary

• Open style toroidal core design
• Single primary winding with dual secondary windings
• UL approved safety certification

Applications

• Industrial power supply units
• Audio equipment amplifiers
• General purpose AC voltage transformation

Procurement Notes

Verify the specific secondary voltage configuration required for your application, as this model supports both parallel and series secondary arrangements. Confirm that the 300VA power rating aligns with the load requirements. Ensure the physical dimensions and lead length are compatible with the chassis or PCB layout. Check for compliance with local electrical standards such as CSA or TUV if operating outside standard regions.

Selection Notes

Select this component when a high-power toroidal transformer with dual independent secondary outputs is needed. Consider the open style form factor for custom mounting solutions. Evaluate the thermal performance requirements given the 300VA capacity. Compare against other models in the VTX-146 series if different voltage taps or power ratings are necessary for the specific circuit design.

Part Context

This part belongs to the Vigortronix VTX-146 series of toroidal transformers. These components are designed for robust power conversion applications requiring low magnetic interference. The series offers various VA ratings and voltage configurations to suit diverse industrial and commercial electronics needs.

Replacement Considerations

Direct substitutes within the same manufacturer line include VTX-146-300-230 and VTX-146-300-215. Verify that alternative parts match the 300VA rating and dual secondary winding topology. Cross-reference physical dimensions and terminal types to ensure mechanical compatibility.