DoorTronX VD33 Electrified Rim Exit Device – Precision-Built, Direct Replacement for Von Duprin 33/35 Series Panic Bars

The DoorTronX VD33 is a premium UL listed electrified rim exit device engineered for high-performance commercial and storefront applications. Designed as a precision-built, direct replacement for the Von Duprin 33/35 Series, the VD33 offers the same footprint, hole pattern, and functional layout—providing seamless compatibility at a significantly better value.

Featuring a fully integrated automatic motorized latch retraction system, the VD33 delivers fast, quiet, and reliable pullback performance ideal for access control systems, card readers, and automatic door operators.

Key Benefits

• Precision-engineered replacement for Von Duprin 33/35 Series rim exit devices
• Integrated motorized latch retraction—quiet, smooth, and reliable
• Narrow stile design ideal for storefront aluminum doors
• UL listed for safety and code compliance
• Optimized for electrified access control and automatic operator integration

What’s Included (Complete VD33 Package)

• DoorTronX VD33 Rim Exit Device
• Integrated Motorized Latch Retraction Assembly
• Outside Escutcheon Lever
• Rim Exit Device Strike
• All Required Mounting Hardware

Technical Specifications

• Voltage Input: 24VDC to 28VDC
• Average Peak Current: 900mA
• Average Hold Current: 215mA
• Listing: UL Listed

Optional Add-On Features

Request to Exit (REX) Switch

A built-in request to exit (REX) switch sends a signal to the access control panel indicating that an authorized egress is occurring. This enhances security, logging, and proper system function.

Latchbolt Monitor Switch

A latchbolt monitor provides door-status feedback by reporting whether the VD33 latchbolt is extended or retracted. This is essential for monitored openings and alarm system integration.

Power Supply Options

A dedicated DoorTronX power supply can operate up to two VD33 devices and includes:

• Dual solid-state input/outputs
• Fire alarm interface
• Optional battery backup module

Power Transfer Hinge

Electrified exit devices require a durable wiring path from the frame to the door. Add a 4.5" x 4.5" electrified power transfer hinge to securely and cleanly deliver power into the VD33.

Why Choose DoorTronX VD33?

• Premium-grade build quality for high-traffic commercial environments
• Perfect solution for replacing Von Duprin 33/35 Series at a better value
• Engineered for smooth, quiet operation with integrated motorized drive technology
• Ideal for storefront aluminum doors, offices, schools, retail, and medical facilities
• Elevated reliability for access control and automatic door operator applications