NS400P Pneumatic Deadlatch Pneumatic Locks

■ Instant solenoid actuation – Instant
bolt retraction provided by pneumatic
■ Compact size – Designed for hollow
metal frames with standard 2″ face.
■ Two-piece, twelve-pin plug
connector – Simplifies wiring, allows
pre-wiring of the lock opening.
■ Heavy duty lock mechanism –
Designed with heavy duty, corrosionresistant
working parts tested over
1,000,000 cycles.
■ Stainless steel strike – Angled liptype,
furnished with tamper-resistant
screws. Requires less force to close
and lock the door.
■ Mechanical latchback
(Model NS400P-01) – Holds latchbolt
retracted until door opens.
■ Mechanical unlocking by key –
Offers manual control at the door in
event of power failure or at any other
■ Stainless steel latchbolt – 3/4″ throw,
hardened to resist sawing.
■ Finish – US32D.
■ Indication switch – an internal switch
to monitor the positions of the
deadlock actuator. Signals deadlocked



NS400P Series Deadlatches are pintumbler,
pneumatically-operated locks
for swinging doors. Specify builders
hardware cylinders and keying as
NS402P Keyed one side
NS406P keyed both sides
(See Optional Features for factory or customersupplied
key cylinders. Model NS400P, no
cylinder supplied.)
A remote switch is used to control the
lock pneumatically, or it may be
operated mechanically by builders
hardware key cylinder. These locks offer
the convenience of remote, electric
unlocking or locking and automatic
deadlocking when the door is closed.
Non-Fail-Safe Models
Unlock when solenoid is energized
(1): by a momentary-contact switch.
Latchbolt remains retracted
mechanically until the door is opened.
Upon opening the door the latchbolt
extends. The latchbolt is deadlocked
mechanically when the door is closed.
Unlock when solenoid is energized
(2): by a momentary-contact switch.
Latchbolt is electrically held retracted as
long as control switch is tripped. (No
mechanical latchback). The door must
be opened while control switch is in
the unlocked position. The latchbolt is
deadlocked when the door is closed.
A maintained-contact switch will hold
the lock unlocked until the switch
is released.
Specify for minimum/medium security
swinging cell, corridor or administration
areas of institutions with 2″ wide hollow
metal jamb construction.

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