Product Description
3549A-NL-OP-US10-4 Von Duprin 3549A Series with 388 Night Latch Concealed Vertical Cable Exit Device in Satin Bronze
The Von Duprin 3549A-NL-OP-US10-4 is a touch bar concealed vertical cable exit device from the 35A Series family. Night Latch with Optional Pull — outside lever locks and unlocks by key with optional pull handle. Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
The 3549A uses a steel cable instead of rigid rods for top-and-bottom latching. The cable system is more forgiving of slight door misalignment, making it a practical choice when perfect door alignment can't be guaranteed. Available in 4-foot width. UL listed for panic exit hardware with hex key dogging standard. ANSI/BHMA A156.3 Grade 1 certified.
Pro-Tip from Our Locksmiths: Wood door concealed cable (WDC) models are specifically designed for wood doors — the cable routing and mounting are optimized for wood door construction. Don't install a standard cable device on a wood door or vice versa.
| Specifications | |
|---|---|
| Part Number | 3549A-NL-OP-US10-4 |
| Function | NL-OP - Night Latch Optional Pull |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Mount Type | Concealed Vertical Cable (flexible cable replaces rigid rods — easier install than rod devices) |
| Door Width | 4-Foot (48") |
| Door Material | Aluminum, Glass, Hollow Metal, Wood |
| Outside Trim | Included |
| Warranty | 10-Year Mechanical |
- 35A Series touch bar design — smooth, quiet operation
- Steel cable latching — more forgiving of door misalignment than rigid rods
- Hex key dogging standard — holds latch retracted during business hours
- Non-handed, field-reversible — one device fits both LHR and RHR
- Satin Bronze (US10/612) finish
- 10-year mechanical warranty — longest in the Von Duprin line
Works With: For narrow stile doors, see the 33A Series. For the top-of-line pushpad, see the 98/99 Series. Same trim accessories work across the 33A/35A family.
Authorized Von Duprin Dealer — Lock Depot ships all Von Duprin products brand new in factory-sealed packaging with the complete manufacturer warranty. Same day shipping available on most orders. Questions? Contact us for free expert support.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.
