Von Duprin E9975EO 3 US28 FSE Grade 1 MTS Exit Device 628

Von Duprin E9975EO 3 US28 FSE Grade 1 Mortise Exit Device 628 is engineered for high-performance access control, providing both security and ease of use. This Grade 1 mortise exit device measures 36 inches and is designed specifically for exit-only applications. With its electric mortise case and fail-secure functionality, it ensures safety and reliability, making it an ideal choice for commercial environments. The device is UL listed for panic exit hardware, fitting standard hollow metal doors with an 86 cutout and accommodating door stiles as narrow as 4-3/4 inches. It features a robust 3/4-inch anti-friction latch bolt that can be reversed in the field without door removal, along with a non-handed auxiliary bolt for added deadlocking security. The adjustable bevel faceplate ensures seamless integration with various door types. Designed for ease of installation, the E9975EO ships with a screw pack for both metal and wood doors ranging from 1-3/4 inches to 2-1/4 inches thick. Its satin aluminum clear anodized finish not only enhances durability but also provides a modern aesthetic. With the ability to accept various trim options, this exit device is versatile enough to meet a wide range of needs in commercial settings.

Grade 1 Mts Exit Device 628

Grade 1 Mortise Exit Device, 36" Device, Exit Only, Electric Mortise Case, Fail Secure, Less Trim, Hex Dogging, Satin Aluminum Clear Anodized Finish, Field Reversible

9875/9975 Mortise lock device for all types of single or double doors, UL listed for panic exit hardware. Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4-3/4" (121mm). The 7500 Mortise lock is equipped with a 3/4" (19mm) anti-friction latch bolt which is field reversible without removing the lock from the door. It has a non-handed auxiliary bolt for deadlocking and a faceplate with an adjustable bevel.

Devices are ANSI A156.3 – 2001 Grade 1

The 9975 Series is for all types of single or double doors and is UL listed for panic exit hardware.  Fits stock hollow metal doors with 86 cutout and door stiles as narrow as 4 3 /4" (121mm). 

• Device functions: Device ships EO/DT/NL. Field selectable. For TP, K or L remove NL drive screw from device.
• Device lengths: 3' 2'4' to 3' (711mm to 914 mm) Door size 4' 2'10" to 4' (864 mm to 1219 mm) Door size
• Device centerline from finished floor: 39 13/16" (1011 mm) 39 11/16" (1008 mm) with mullion
• Center case dimensions: 8" x 2 3/4" x2 3/8" (203mm x 70mm x 60mm)
• Mechanism case dimensions: 2 1/4" x 2 1/4" (57mm x 57mm)
• Projection: Pushbar neutral – 3 13/16" (97 mm) Pushbar depressed – 3 1/16" (78 mm)
• Fasteners & sex bolts (SNB): Includes screw pack for 1 3/4" (44mm) and 2 1/4" (57mm) thick metal or wood do

Resources

• 10 Things You Need to Know About the Von Duprin Chexit
• 98/9975-2 Series Wood Door Template
• 990TP/TP-BE/NL Trim 98/9975 Mortise Lock Device Installation Instructions
• QEL Data Sheet
• Von Duprin Finishes Chart