M400 Series
Electromagnetic Locks
Installation Instructions for Double Locks
M422, M452, M492
FEATURES
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.
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
M422 (Traffi c Control)
UL1034 and 10C/500lb and 3hr rating
M452 (High Security)
UL1034 and 10C/1000lb and 3hr rating
M492 (Max Security)
UL1034 and 10C/1500lb and 3hr rating
TRIMS
Basic
Auto Voltage Selection (AVS) for 12 or 24VDC
Plus
Basic fe Door Position Switch (DPS), Magnetic Bond
Sensor (MBS), Relocking Time Delay (RTD), LED Status
Indicator (LED) and Anti-Tamper Switch (ATS)
UL Requirements:
• 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”
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 modifi cations
not expressly approved by party responsible for compliance could void
user’s authority to operate equipment.
