NS400M and MC Motor-Operated Deadlatch Electro-Mechanical Locks

Standard Features_______
■ 300 lb. rated side load motor
operation (Models NS400M,
NS400MC) – Preclude jamming by
applying side pressure on the door.
■ 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 to complement the high
torque motor. Corrosion resistant
working parts tested over 1,000,000
■ Stainless steel strike – Angled lip
type, furnished with tamper resistant
screws. Requires less force to close
and lock the door.
■ Mechanical latchback (Models
NS400M, NS400MC) – 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.
■ Relock switch (Model NS400MC) –
Repositions motor to relock when
door is opened.
■ Finish – Key Cylinder: US32D.

SKU: NS400M Categories: ,


NS400M and NS400MC Series
Deadlatches are pin tumbler, motoroperated
locks for swinging doors.
Specify builders hardware cylinders and
keying as follows:
NS402M/MC Keyed one side
NS406M/MC Keyed both sides
Note: See optional features for factory or
customer-supplied key cylinders. For Models
NS400M and NS400MC, no cylinders are
A remote switch is used to control the
lock electrically, or may be operated
mechanically by a builders hardware key
cylinder. These locks offer the
convenience of remote, electric
unlocking or locking and automatic
deadlocking when the door is closed.
Motor-Actuated Models
Unlock when the motor is energized
(1): by a momentary-contact switch.
Latchbolt is held mechanically retracted
until the door is opened. It then extends
automatically (mechanical latchback).
Two-Position Motor Actuated Models
Lock or unlock when the motor is
energized (1): by either a two or threeposition
maintained-contact switch, or
by a three-position, momentary-contact
switch. When unlocked by control
switch, latchbolt remains retracted
by motor position until control switch is
set to lock. Latchbolt is held
mechanically retracted until the door is
opened. It will then extend
automatically, if the control switch is set
to the lock position (mechanical
Specify for minimum/medium security
swinging cell, corridor or administration
areas of institutions, with 2″ wide
hollow metal jamb construction.

© 2017, Best Brothers Group. All rights reserved.


Folger Adam


■ Lock case – Investment-cast
stainless steel.
■ Latchbolt – Investment-cast
stainless steel hardened.
■ Latchbolt throw – 3/4″
■ Operating lever – Stainless steel.
■ Deadbolt lever/trigger bolt –
Investment-cast stainless steel.
■ Strike – Stainless steel stamping,
angled lip.

© 2017, Best Brothers Group. All rights reserved.

Electrical Characteristics

■ Motor – High-torque,
permanently lubricated,
permanent magnet, planetary
gearmotor, UL Listed.
■ Voltage – 24 VDC, operates on
24 VAC via rectifier 0.12 Amps
running, 1.29 amps stalled.
■ Indication switch – SPDT, UL
■ Switch rating – 5 amp @ 125 or
250 VAC.

© 2017, Best Brothers Group. All rights reserved.