Product Description
QEL9957K-US4-4 Von Duprin 9957 Series with 996K Knob Surface Three Point Latch Device with Quite Electric Latch in Satin Brass
The QEL9957K-US4-4 is a Von Duprin 9957 Series Surface Three Point Latch exit device in Satin Brass (US4/606), sized for 4' doors. Knob Trim — outside knob for keyed entry. Night latch function. Ships less cylinder — order a mortise cylinder separately to match your existing keyway.
Quiet Electric Latch Retraction — QEL motor-driven latch retraction provides quiet, ADA-compliant remote unlocking. 24VDC power required.
ANSI/BHMA A156.3 Grade 1 certified. Hex key dogging standard. Field reversible handing.
Pro-Tip from Our Locksmiths: When servicing a 9957 three-point latch, check all three latch points independently. A misaligned top or bottom bolt can cause the whole device to bind. Adjust strikes one at a time, starting with the rim latch, then top, then bottom.
| Specifications | |
|---|---|
| Part Number | QEL9957K-US4-4 |
| Brand | Von Duprin (Allegion) |
| Series | Von Duprin 9957 |
| Function | Knob Trim |
| Grade | ANSI/BHMA A156.3 Grade 1 |
| Mount Type | Surface Three Point Latch (three latch points for enhanced security) |
| Finish | Satin Brass (US4/606) |
| Door Size | 4 Foot |
| Cylinder | Ships less cylinder |
| Fire Rating | Non Fire Rated |
| Electronics | Quiet Electric Latch Retraction |
- Von Duprin 9957 Series touch bar mechanism — Grade 1 architectural-grade panic hardware
- Surface Three Point Latch (three latch points for enhanced security)
- Satin Brass finish
- Quiet Electric Latch Retraction — QEL motor-driven latch retraction provides quiet, ADA-compliant remote unlocking
- Hex key dogging standard — hold latch retracted during business hours
Free Expert Support — As an authorized Von Duprin distributor, Lock Depot provides full manufacturer warranty coverage and same day shipping on most orders. Call (877) 365-5625 for personalized help.
Image shown is representative of the product line. Actual finish, trim, and configuration may vary by SKU.
