Schlage M400 Series,M420,M490,M450 Installation Instructions Manual
*44487296*
44487296
M400 Series
Single Electromagnetic Locks: M420, M450, M490
Installation Instructions
M420/M450
Armature plate assembly
M490 Armature
plate assembly
Automatic Voltage Selection (AVS)
Magnet immediately detects 12VDC or 24VDC when power is
connected.
Anti-Tamper Switch (ATS)
An indication is provided should the magnet cover become
unsecured from lock.
Magnetic Bond Sensor (MBS)
Detects proper bond between magnet and armature. It can be
monitored remotely and locally with an LED.
M420 (Trafc Control)
UL1034 and 10C/500lb and 3hr rating
M450 (High Security)
UL1034 and 10C/1000lb and 3hr rating
Basic
Auto Voltage Selection (AVS) for 12 or 24VDC
Features
LED
Provides local indication of MBS status.
Door Position Switch (DPS)
Indicates whether door is open or closed. This feature is used in
conjunction with the MBS.
Relock Time Delay (RTD)
Relock time can be changed. Range is 1 - 30 seconds.
Models
M490 (Max Security)
UL1034 and 10C/1500lb and 3hr rating
Trims
Plus
Basic features + Door Position Switch (DPS), Magnetic Bond
• Units shall not impair operation of panic hardware mounted on door.
• Units shall not impair intended operation of an emergency exit.
• Units/Models are intended to be connected to UL Listed Equipment, not
intended for Burglar or Fire Alarm Initiating or Indicating Devices.
• Ambient Conditions - “For Indoor Use Only”.
UL Requirements
• This device complies with part 15 of FCC rules.
Operation is subject to following two conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including any
interference that may cause undesired operation. Changes or
modications not expressly approved by party responsible for compliance
could void user’s authority to operate equipment.
Electrical Specications
Model Amps (12VDC)
Per Lock
M420 0.750 0.380 500
M450 0.750 0.380 1000
M490 0.650 0.350 1500
1 Prepare for installation.
1a Determine Proper Magnet Orientation
• Magnet should be placed opposite of door hinges.
Wiring
Cover
Magnet
Amps (24VDC)
Per Lock
Lock Installation
Holding Force (lbs)
Magnet
Wiring
Cover
Per Coil
LHR Door - Shown from Exterior
2
RHR Door - Shown from Exterior
1b Reorient Magnet (if necessary).
End Block
Magnet
End Block
(with screw hole)
Magnet
Wiring Cover
End Block
(with screw hole)
LHR
RHR
• Remove screws, wiring cover and end blocks.
• Rotate magnet, end blocks and wiring cover as shown, then reassemble.
1c Place template and mark holes.
• Place template on top corner, opposite of hinges.
• Mark holes and prepare them per template.
3
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