Home > Companies > ASSA ABLOY UK > Connect Nightlatch 231

Application:

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

Features:

  • Available with backset 35, 50 or 70 mm.
  • Bolt deadlocks automatically when door is closed. Key for locking bolt into lockcase. Bolt reversible without opening lockcase.
  • The latchbolt can be locked back.
  • Supplied with striking plate.
  • Can be combined with electric strikes.
  • Available with a built-in microswitch.

Function:

  • Deadlocking latchbolt is retracted with key or thumbturn
  • The lock-back mechanism in the faceplate has the following functions: Latchbolt is locked back with a faceplate key.

Suitable cylinders:

Scandinavian oval or round:

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

Additional information for this product is available from:

http://www.assa.co.uk/en/site/assacouk/Products1/?groupId=644145

NBS Specification

NBS Create logo
This product is associated with the following NBS Create clause:
45-25-18/310 Door and window locks and latches

NBS Specification

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This product is associated with the following NBS clauses:

Product specification

An important note about specifying

Manufacturer

Name:

ASSA ABLOY UK

Tel:

+44 (0)1902 364120

Product reference

[Connect Nightlatch With Key Lock-Back 231, Double Cylinder]
[Connect Nightlatch With Key Lock-Back 231, Single Cylinder]
[Connect Nightlatch With Key Lock-Back 231, Single Cylinder And Thumbturn]

Door thickness

[ ______ ]

Handing

[Left hand inward opening]
[Left hand outward opening]
[Right hand inward opening]
[Right hand outward opening]

Backset

[35 mm]
[50 mm]
[70 mm]

Colour/ Finish

[Bright zinc]
[Satin chrome]
-
Special finish.

Microswitch

[Not required]
[MD]
-
Monitors lock-back.
[MF]
-
Monitor bolt deadlatching and use of cylinder or thumbturn.

Manufacturer details

ASSA ABLOY UK Ltd,
School Street,
Willenhall,
West Midlands, WV13 3PW
Tel +44 (0)1902 364120
Fax +44 (0)1902 364000
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NBS National BIM Library
RIBA CPD