21120161

Overview

The Schroff 21120161 is a DIN rail component designed for the mechanical mounting and securing of plug-in units, module boxes, and printed circuit boards (PCBs) within industrial enclosures. It supports PCBs and drives with a height of 4.4 inches (111.7 mm). The rail facilitates installation without front panels via board fixing seats and complies with IEEE 1101.10/11 standards for plug-in unit mounting.

Feature Summary

• Provides secure mechanical fixation for plug-in units and module boxes
• Enables front-panel-less PCB installation using board fixing seats
• Ensures compliance with IEEE 1101.10/11 standards for unit mounting

Applications

• Mounting plug-in units in industrial control cabinets
• Securing module boxes in subrack assemblies
• Fixing PCBs and drives up to 111.7 mm height

Procurement Notes

Verify that the specific order corresponds to the Schroff 21120161 DIN rail variant intended for IEEE 1101.10/11 compliant plug-in units. Confirm compatibility with the target PCB height of 111.7 mm and ensure the application requires front-panel-less mounting solutions utilizing board fixing seats.

Selection Notes

Select this component when the design requires DIN rail mounting for plug-in units adhering to IEEE 1101.10/11 standards. It is suitable for applications involving PCBs or drives with a maximum height of 111.7 mm where front panel removal is necessary for maintenance or access.

Part Context

This part belongs to the Schroff DIN rail product line, which provides mechanical support structures for electronic modules. These rails are integral to subrack and chassis systems, ensuring stable positioning of components within standardized enclosure frameworks used in automation and telecommunications infrastructure.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.