A41-43-20L

Power Transformers Overview

The A41-43-20L is a split bobbin power transformer from the A41 series, rated at 43 VA. It features dual primary windings for 115 VAC and 230 VAC input, and dual secondary windings providing 10 VAC output. The unit supports chassis mounting with quick connect terminals or lead wires. Dimensions are 79.4 mm length, 54.4 mm width, and 68.2 mm height. It offers 4000 Vrms isolation voltage and holds CE, CSA, CUL, EN, UL, and VDE certifications.

Power Transformers Feature Summary

• Split bobbin construction ensures high isolation and safety compliance
• Dual primary windings support international voltage standards
• Dual secondary windings allow flexible series or parallel configurations
• Certified for global safety standards including UL, VDE, and CE

Power Transformers Applications

• Industrial control systems requiring international safety certification
• Equipment needing high isolation voltage between primary and secondary circuits
• Power supplies utilizing split bobbin transformers for enhanced safety
• Chassis-mounted applications in industrial machinery

Power Transformers Procurement Notes

Verify that the specific suffix 'L' corresponds to lead wire configuration rather than standard quick connects, as datasheets may vary. Confirm insulation class and temperature rating requirements against application needs. Ensure chassis mounting holes align with the specified dimensions of 79.4 mm by 54.4 mm. Check for updated certification marks such as VDE or CUL if required by regional regulations. Validate input voltage compatibility with dual primary winding options.

Power Transformers Selection Notes

Select this model when high isolation voltage and international safety certifications are mandatory. The split bobbin design is critical for applications requiring strict creepage and clearance distances. Dual secondary windings provide flexibility for different output voltage requirements. Consider the chassis mount style and terminal type based on assembly constraints. Verify that the 43 VA power rating meets the load requirements of the target circuit.

Power Transformers Part Context

The A41 series represents an international line of power transformers designed for global markets. These units are engineered to meet diverse safety standards without requiring multiple part numbers. The A41-43-20L specifically addresses low to medium power applications. Its robust construction supports reliable operation in industrial environments. The series emphasizes cost-effective performance while maintaining high safety margins.

Power Transformers Replacement Considerations

Direct substitutes within the A41 series include models with similar VA ratings but different secondary voltages, such as A41-43-24 or A41-43-28L. Verify that replacement parts maintain the same chassis mounting dimensions and isolation voltage. Ensure the new model supports the required input voltage range. Check if the replacement uses lead wires or quick connects to match existing wiring infrastructure.