NBS Source
I'm a manufacturer

Application

Locks for entrance doors where automatic locking is required when door is closed.

Description

Modular nightlatch.


Features and benefits:

  • Available with backset 50 or 70 mm.
  • Bolt deadlocks automatically when door is closed. Key for locking bolt into lockcase.
  • Supplied with striking plate.
  • Available with a built-in microswitch.


Function:

Latchbolt is retracted with key or thumbturn. The lock back mechanism in the faceplate has the following function: latchbolt cannot be locked back.


Suitable cylinders:

Scandinavian oval or round:

  • ASSA 5-Pin.
  • ASSA Flexcore Plus.
  • ASSA 4800.
  • ASSA Twin Combi.
  • ASSA dp4400.
  • ASSA CLIQ.

General information

Color

Silver

Finish

Zinc plated

Material

Steel

Shape

Rectangle

Warranty description

Five year

Uniclass

Pr_30_36_08_24 Door latchesPrimary

CAWS

P21/24 Door locks

P21/515 Door locks

Product range

ASSA Lockcases / Modular range

Specification data - Door latches

Standard

To BS EN 12209.

Classification grades (minimum)

-

Category of use

BS EN 1192, grade 3.

Durability

BS EN 12209, grade X.

Door mass and closing force

BS EN 12209, grade 9.

Suitability for use on fire-resisting and/ or smoke control doorset

BS EN 12209, grade B.

Safety

BS EN 12209, grade 0.

Corrosion resistance and temperature

BS EN 12209, grade F.

Security and drill resistance

BS EN 12209, grade 2.

Key identification requirement

BS EN 12209, grade 0.

Latch or lock type

Modular lock.

Backset

50 mm.

70 mm.

Material and finish

Zinc plated steel.

Lock type

Modular Nightlatch Without Lock-back 6785, Double Cylinders.

Modular Nightlatch Without Lock-back 6785, Single Cylinder.

Modular Nightlatch Without Lock-back 6785, Single Cylinder And Thumbturn.

Handing

Left hand inward opening.

Left hand outward opening.

Right hand inward opening.

Right hand outward opening.

Microswitch

Not required.

Required.

Sustainability data

Contains Red List materials

No