Von Duprin 04116 QELX Modular Conversion Kit for AX Exit Devices with Quiet Electronic Latch Retraction

Von Duprin 04116 QELX Modular Conversion Kit for AX Exit Devices with Quiet Electronic Latch Retraction

Field Conversion Solution for Quiet Electronic Latch Retraction on Compatible Von Duprin Exit Devices

The Von Duprin 04116 QELX Modular Conversion Kit delivers a professional-grade Quiet Electric Latch (QEL) retraction upgrade for compatible AX exit devices, providing electronic control of an exit device in environments where limited operational noise is desired. This field conversion kit supports 3-foot and 4-foot devices and is designed for use with non-EL panic devices, non-EL fire-rated devices sold after October 2014, or for replacing an existing motor. Compatible with the 33A/35A and 98/99 Series exit devices, this kit is also the recommended upgrade path when converting Von Duprin solenoid-driven latch retraction systems to the quieter, motor-driven EL platform.

Professional Features & Benefits

• Quiet Electric Latch (QEL) Retraction: Provides electronic latch retraction with significantly reduced operational noise, making it ideal for environments where quiet operation is a priority.
• Broad Device Compatibility: Designed for use with 3-foot and 4-foot exit devices, including the 33A/35A and 98/99 Series Von Duprin exit devices for versatile field application.
• Field Conversion Flexibility: Suitable for non-EL panic devices, non-EL fire-rated devices sold after October 2014, and for replacing an existing motor, enabling on-site upgrades without full device replacement.
• Solenoid-to-Motor Upgrade Path: Recommended when upgrading Von Duprin solenoid-driven latch retraction systems to the more efficient and quieter motor-driven EL configuration.
• Modular Design: Engineered as a modular conversion kit for straightforward integration into compatible AX exit devices, minimizing installation complexity in the field.
• Electronic Access Control Integration: Enables electronic control of the exit device latch, supporting integration with access control systems in commercial and institutional environments.

Technical Specifications

• Product Group: Exit Devices and Trim
• For Use With: 33A/35A; 98/99 Series Exit Device
• Product Subgroup: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Type: Exit Devices Parts
• Product Function: Conversion Kit
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings Requiring Quiet Electronic Egress Control
• Educational Facilities with Noise-Sensitive Environments
• Healthcare Institutions Prioritizing Low-Noise Door Hardware
• Retail Establishments with Access Control Integration
• Government and Municipal Buildings
• Multi-Tenant Residential and Mixed-Use Properties
• Industrial and Warehouse Facilities Upgrading Legacy Exit Device Systems

Why Choose Von Duprin Quality?

Von Duprin exit device components are engineered for demanding commercial applications, and the QELX Modular Conversion Kit reflects that commitment by offering a reliable, field-proven upgrade path from solenoid-driven to motor-driven quiet latch retraction. Designed for compatibility with the 33A/35A and 98/99 Series exit devices, this kit supports both new installations and retrofit scenarios — including non-EL fire-rated devices sold after October 2014 — ensuring long-term performance and system flexibility. Trust Von Duprin for professional-grade door hardware solutions built to meet the rigorous demands of commercial and institutional environments.