166L14

Overview

The Hammond Manufacturing 166L14 is a laminated core industrial control transformer designed for chassis mounting. It features a single primary winding rated at 115 VAC, 60 Hz, and a single secondary winding providing 14 VAC center-tapped output. The unit has a power rating of 28 VA with a maximum secondary current capacity of 2 A. Physical dimensions are 93.72 mm in length, 50.8 mm in width, and 58.67 mm in height, weighing approximately 680 g. It operates within a temperature range of 0°C to +130°C and utilizes wire lead terminations.

Feature Summary

• Provides isolated low-voltage AC power conversion from standard line voltage.
• Features dual secondary windings allowing flexible voltage configuration options.
• Constructed with a laminated core for efficient magnetic flux transfer.
• Designed for secure horizontal channel bracket or open horizontal chassis installation.

Applications

• Industrial control panel power supplies
• Equipment requiring 14V or 7V filament heating
• Low voltage signal processing circuits
• General purpose industrial automation systems

Procurement Notes

Verify the specific suffix designation against the manufacturer's official datasheet to confirm electrical ratings and physical dimensions. Ensure the required operating frequency matches the component specifications. Confirm that the chassis mounting style and terminal type align with the assembly design requirements before finalizing procurement orders.

Selection Notes

Select this model when a 28 VA rating and 115 VAC primary input are required. The dual secondary configuration supports both 14V CT and split 7V applications. Consider the physical envelope size and weight constraints for the enclosure design. Verify thermal management capabilities given the maximum operating temperature limit of +130°C.

Part Context

This component belongs to the Hammond 166 series of industrial power transformers. The series offers various power ratings and voltage configurations tailored for general industrial control applications. These units are characterized by robust construction and standardized mounting interfaces suitable for integration into larger machinery and control systems.

Replacement Considerations

Direct substitutes include the Hammond 166G14 for lower power needs or the 266L14 for higher capacity. Cross-reference pinouts and mounting hole patterns to ensure mechanical compatibility. Verify that alternative models meet the same thermal and electrical safety standards.

FAQ

What are the available secondary voltage configurations?

The dual secondary windings allow for a 14V center-tapped output or two separate 7V outputs.

How is the transformer mounted?

It is designed for chassis mounting using horizontal channel brackets or open horizontal installation methods.