Product Description
Von Duprin 4263 Monitor Strike — Bright Chrome
4263-T3-US26 Von Duprin 4263 Series Monitor Strikes in Bright Chrome Finish
The Von Duprin 4263-T3-US26 series are designed to offer users remote door monitoring utilizing a signal switch mounted in the strike to monitor the latch bolt. These models are designed for use with Von Duprin and almost all other manufacturers rim, mortise, surface and concealed vertical rod exit devices and cylindrical, mortise and unit type locks. The Von Duprin monitor strike replaces the standard door strike found in normal set ups.
The tripper in the monitor strike is depressed when the latch bolt is fully inserted in the strike. This stainless steel tripper in turn activates an electric switch - this is how the monitoring takes place.
Features and Benefits:
- Bright Chrome finish
- Strike opening: 1-5/16" (33mm)
- Voltage: 24 VDC
- T3 - Tripper
- Signal switch housing
- Lockset: Rim type exit device
- Handing: Non handed
- UL listed as "miscellaneous door accessory"
- Dimensions: 1-5/8" (41mm) W x 2-7/8" (73mm) H x 1-1/8" (29mm) D
Pro-Tip from Our Locksmiths: The 4263 is Von Duprin's monitor strike for mortise and cylindrical lock doors. It reports whether the door is open or closed without any electric release function. Check your trim type: T1 is standard, T3 is the DERA trim for detention and restricted egress applications.
| Brand | Von Duprin (Allegion) |
| Part Number | 4263-T3-US26 |
| Series | Von Duprin 4263 |
| Application | Monitor Strike for Mortise/Cylindrical Locksets |
| Finish | Bright Chrome (625/US26) |
| Type | Monitor Strike (Non-Electric) |
| Trim Type | T3 (DERA) |
| Monitoring | Door Position Switch |
| Faceplate | 4-7/8" |
| Latch Throw | 1/2" |
| Fire Rating | Non Fire Rated |
| Grade | ANSI/BHMA Grade 1 |
| Construction | Heavy-duty stainless steel body |
| Warranty | 3-year limited (electronic), Limited lifetime (mechanical) |
- Heavy-duty stainless steel construction — built for high-traffic commercial applications
- 4-7/8" faceplate with 1/2" latchbolt throw
- Door position monitoring — reports open/closed status to access control system
- In stock at Lock Depot — same-day shipping on orders before 3 PM EST
Compatible With: Most ANSI-standard mortise and cylindrical locksets including Schlage L, Corbin Russwin ML2000, Sargent 8200, and Yale 8800 series. Available in T1 (standard) and T3 (DERA) trim types.
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.
