Von Duprin 5575-3ft Narrow Stile Crossbar Mortise Lock Exit Device, 3ft Grade 1, Field Reversible

Von Duprin 5575-3ft Narrow Stile Crossbar Mortise Lock Exit Device, 3ft Grade 1, Field Reversible

Classic Narrow Stile Crossbar Exit Device with Mortise Lock for Single and Double Door Applications

The Von Duprin 5575-3ft is a narrow stile crossbar mortise lock exit device from the renowned 55 Series, engineered for single and double door applications in commercial environments. This 3-foot (36") device features a field-reversible 7500 Mortise lock that can be reversed without removing the lock from the door, and includes a non-handed auxiliary bolt for deadlocking along with a faceplate with an adjustable bevel. Certified to ANSI/BHMA A156.3, 2008 Grade 1 standards and UL listed for accident hazard installations, the 5575-3ft delivers dependable egress performance in retro-inspired, historical, and contemporary commercial architecture. Door thickness compatibility is 1-3/4" and the device projects 3-3/4" from the door face, with case dimensions of 7-1/4" x 1-1/4" x 2-1/4" for both hinge stile and lock stile cases.

Professional Features & Benefits

• Narrow Stile Design: Purpose-built for narrow stile doors, the 55 Series crossbar profile is ideal for retro-inspired architecture and historical buildings requiring a classic aesthetic with commercial-grade performance.
• Field-Reversible Mortise Lock: The 7500 Mortise lock is field reversible without removing the lock from the door, reducing installation time and simplifying handing changes in the field. Door Hand Direction is Field Reversible.
• Non-Handed Auxiliary Bolt: Includes a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel, enhancing security and adaptability across door configurations.
• Flexible Length Options: Available in 3’ and 4’ lengths that are field sizeable for single and double door applications, providing versatility across a wide range of opening widths.
• Precise Dimensions: Product Size: 36"; Case Dimensions: 7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case) and 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case); Product Projection: 3-3/4"; Latch Throw: 1/2"; Door Thickness Range: 1-3/4".
• ANSI/BHMA Grade 1 Certified: Meets ANSI/BHMA A156.3, 2008 Grade 1 certification, ANSI/UL 305, CAN/ULC-S132, and is UL listed for accident hazard installations. Fire-rated configurations (ANSI/UL 10C and CAN/ULC-S104) available by adding “-F” suffix.
• Hex Key Dogging: Dogging Configuration is Hex Key Dogging, allowing the device to be held in the retracted position for push/pull traffic during business hours.
• Multiple Device Type Configurations: The 55 Series supports rim (27: surface-mounted vertical rods), concealed vertical rods (47), and mortise lock (75) configurations, offering broad installation flexibility.
• Electronic and Mechanical Options: Compatible with E8875 electrified option (pairs with access control, fire alarm, or remote switching systems), RX door position monitoring switch, and KN knurling on crossbars for tactile hazard warning.
• Fastener Inclusion: Includes screw pack for 1-1/4" and 2-1/4" thick metal/wood doors. Wood doors require 589 cover plate; specify for 2-1/4" door.
• Trim Function Versatility: Supports Classroom, Dummy, Exit Only, Passage, and Storeroom functions. Popular 990 pull trim includes five standard functions: Classroom (TP), Storeroom (NL), Dummy Trim (DT), Passage (TP-BE), and Exit Only (EO).

Technical Specifications

• Product Group: Exit Devices and Trim
• Series: 55 Series
• Grade: Grade 1
• Fasteners: Screw pack for 1-1/4" and 2-1/4" thick medal/wood doors.
• Product Subgroup: Exit Devices - Mortise
• Product Type: Exit Devices - Mortise
• Subcategory: Mortise Exit Devices
• Latch Throw: 1/2"
• Commercial/Residential: Commercial
• Stile Type: Narrow Stile
• Door Hand Direction: Field Reversible
• Door Thickness Range: 1-3/4"
• Product Size: 36"
• Dogging Configuration: Hex Key Dogging
• Product Dimension: 7-1/4" x 1-1/4" x 2-1/4" (Hinge Stile Case), 7-1/4" x 1-1/4" x 2-1/4" (Lock Stile Case)
• Fire Rating: No
• Product Projection: 3-3/4"
• Product Style: Cross Bars
• Product Category: Exit Devices and Trim
• Department: Door Hardware

Professional Applications

• Commercial Office Buildings
• Educational Facilities and Schools
• Healthcare Institutions
• Retail Establishments
• Historical and Retro-Inspired Architecture
• Government and Municipal Buildings
• Multi-Tenant Residential and Mixed-Use Properties

Why Choose Von Duprin Quality?

Von Duprin 55 Series mortise exit devices are engineered to meet ANSI/BHMA A156.3, 2008 Grade 1 certification and are UL listed for accident hazard installations, ensuring compliance with the most demanding commercial egress requirements. The field-reversible 7500 Mortise lock, non-handed auxiliary deadlocking bolt, and adjustable bevel faceplate reflect the precision engineering that commercial door hardware professionals rely on. With support for multiple device types, trim functions, and optional electronic integrations including access control and door position monitoring, the Von Duprin 5575-3ft delivers the flexibility and dependability required for high-traffic commercial applications.