Von Duprin 050251 Request to Exit Switch for 22/33A/35A/98/99 Series Exit Devices

Von Duprin 050251 Request to Exit Switch for 22/33A/35A/98/99 Series Exit Devices

Electronic Door Monitoring Switch for Commercial Exit Device Applications

The Von Duprin 050251 Request to Exit Switch is a Grade 1 commercial-grade electronic switch designed to monitor the status of door openings when used with compatible 22, 33A, 35A, 98, and 99 Series exit devices. These electronic switches integrate seamlessly with exit devices to signal door activity and can be paired with accessories such as independent horns or centralized security systems to provide enhanced security levels. Available in standard and low current options, and including a waterproof RX variant, this switch delivers flexible, reliable monitoring for a wide range of commercial door applications.

Professional Features & Benefits

• Series Compatibility: Designed for use with Von Duprin 22, 33A, 35A, 98, and 99 Series exit devices, providing broad compatibility across a wide range of commercial exit device installations.
• Multiple Switch Types Available: Choose from Request to Exit (RX), Latchbolt Monitoring (LX), and Signal Switch (SS) options to meet specific application monitoring requirements on both the push and pull sides of a door.
• Request to Exit (RX) Monitoring: Monitors the exit device's touchbar and signals the door opening — ideal for push-side applications on 98/99, 55, 88, 33A/35A, and 22 Series exit devices.
• Latchbolt Monitoring (LX) Capability: Monitors the exit device's latchbolt to signal door opening or closing; can be used independently or in conjunction with an RX switch to monitor both sides of the door on compatible 98/99, 94/95 INPACT™, 33A/35A, and 22 Series devices.
• Signal Switch (SS) Dual Monitoring: Monitors both the touchbar and latchbolt simultaneously, signaling unauthorized use. Equipped with a key switch output requiring user override at the door — available on 98/99, 94/95 INPACT™, 33A/35A, and 22 Series exit devices.
• Standard and Low Current Options: Available in both standard and low current configurations to accommodate varying power supply and access control system requirements.
• Waterproof RX Option: A waterproof Request to Exit switch variant is available for applications requiring moisture resistance or exposure to demanding environmental conditions.
• Security System Integration: Can be paired with accessories such as independent horns or connected to centralized security systems to communicate a breach at the opening and provide additional security levels.
• Grade 1 Commercial Rating: Rated Grade 1 for heavy-duty commercial performance, ensuring reliable operation in high-traffic institutional and commercial environments.

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 22/33A/35A/98/99 Series
• Grade: Grade 1
• Product Subgroup: Parts and Accessories
• Subcategory: Parts and Accessories
• Product Type: Exit Devices Parts
• Commercial/Residential: Commercial
• Parts and Accessories Type: Installation Accessories
• Product Attribute: Parts and Accessories
• Fire Rating: No
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings
• Educational Facilities
• Healthcare Institutions
• Retail Establishments
• Industrial and Warehouse Facilities
• Government and Municipal Buildings
• Multi-Tenant Residential Properties

Why Choose Von Duprin Quality?

Von Duprin exit device switch accessories are engineered to Grade 1 commercial standards, delivering dependable electronic monitoring performance across a broad range of compatible 22, 33A, 35A, 98, and 99 Series exit devices. With options including standard, low current, and waterproof RX configurations, as well as the ability to integrate with independent horns and centralized security systems, these switches provide versatile and reliable door status monitoring. Engineered for demanding commercial applications where consistent, professional-grade performance is essential.