Dormakaba Commercial Nightlatch – Less Cylinder
Dormakaba commercial grade rim-mounted nightlatch designed for utility doors, service cupboards, and light commercial applications. This nightlatch is supplied less cylinder and is available in two mechanical versions: a fire rated non-snib model (NL550) and a non-fire-rated snib model (NL450).
Key Features
- Commercial grade stainless steel nightlatch.
- Supplied less cylinder to allow custom keying.
- Reversible latchbolt for left or right hand doors.
- Supplied with striker plates for open-in and open-out doors.
Fire Rated
- NL550 variant only is fire rated up to 2 hours in accordance with AS1905.1-2005 Part 1 (doorset dependent).
Specifications
What's In The Box
- Nightlatch body
- Stainless steel striker plates (open-in and open-out)
- Mounting hardware
Suitable Uses
- Utility cupboards
- Service and plant room doors
- Light commercial internal or external doors
Available Variants
Download PDF Resources
Item Code Family
Frequently Asked Questions
Is a cylinder included?
No, this nightlatch is supplied less cylinder so keying can be specified separately.
What is the difference between NL450 and NL550?
NL450 includes a snib for latch hold-back only and is not fire rated. NL550 has no snib and is fire rated.
Can this be used on fire doors?
Only the NL550 variant is suitable for fire door applications.
Additional Information
- Both variants are supplied boxed with stainless steel striker plates.
- Cylinder selection must match the intended keying system.
- Correct model selection is critical where fire compliance is required.
