241-4-28L

Power Transformers Overview

The Signal Transformer 241-4-28L is a laminated core power transformer rated at 6VA. It features dual primary windings supporting 115V and 230V inputs at 50/60 Hz frequencies. The secondary output provides 28VCT at a maximum current of 0.20 A. Designed for chassis mounting, it utilizes wire leads for termination. The unit offers 2500Vrms isolation voltage and operates within a temperature range extending down to -40°C.

Power Transformers Feature Summary

• Dual primary winding configuration enables flexible input voltage selection between 115V and 230V.
• Chassis mount design with wire lead termination facilitates secure mechanical installation.
• High isolation voltage rating ensures safety compliance in industrial control environments.

Power Transformers Applications

• Industrial control systems requiring low-power isolation
• Equipment needing 28VAC secondary power supply
• Chassis-mounted electronic assemblies

Power Transformers Procurement Notes

Verify the specific part number suffix against official Signal Transformer documentation to confirm exact physical dimensions and terminal configurations. Ensure that the required operating frequency matches the 50/60 Hz specification. Confirm that the chassis mounting style aligns with your enclosure design requirements before finalizing procurement orders.

Power Transformers Selection Notes

Select this component when a 6VA capacity is sufficient for the load. The dual primary winding allows operation in regions with either 115V or 230V mains. Consider the chassis mount form factor and wire lead termination style during PCB or panel layout planning. Verify that the 28VCT secondary voltage meets the downstream circuit requirements.

Power Transformers Part Context

This model belongs to the standard power transformer series from Signal Transformer. It is designed for general-purpose isolation and voltage transformation in low-power applications. The laminated core construction provides efficient magnetic coupling at line frequencies. It serves as a reliable interface between mains power and sensitive control electronics.

Power Transformers Replacement Considerations

Consult official cross-reference lists for direct substitutes. Ensure replacement units match the 6VA rating, 28VCT secondary output, and chassis mount dimensions. Verify compatibility with existing wiring harnesses due to the wire lead termination style.

Power Transformers FAQ

What is the isolation voltage rating?

The transformer provides an isolation voltage of 2500Vrms between primary and secondary windings.

Can this transformer operate at different frequencies?

Yes, it is designed for operation at both 50 Hz and 60 Hz frequencies.