Schlage M420 - User Manual

M400 Series
Electromagnetic Locks
Installation Instructions for Single Locks
M420, M450, M490
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
M420 (Traffi c Control)
UL1034 and 10C/500lb and 3hr rating
M450 (High Security)
UL1034 and 10C/1000lb and 3hr rating
M490 (Max Security)
UL1034 and 10C/1500lb and 3hr rating
TRIMS
Basic
Auto Voltage Selection (AVS) for 12 or 24VDC
Plus
Basic features + 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.

Summary

Product Features

Magnetic Bond Sensor (MBS)

Detects proper bond between magnet and armature, monitorable locally and remotely.

Product Models

Electrical Specifications

Prepare For Installation

Magnet Orientation

Illustrates correct magnet placement opposite door hinges for LHR and RHR doors.

Template and Hole Marking

Explains placing the template on the top corner opposite hinges and marking holes.

Install Optional Features

Mounting and Attachment

Armature Attachment to Door

Mounting Bracket Installation

Magnet and Bracket Final Attachment

Covers removing the magnet, aligning, and fully attaching the bracket to the frame.

Lock Installation and Wiring

Connect Wiring (Standard Model)

Shows wiring connections to the printed circuit board for DC power and magnet.

Connect Wiring (Plus Model)

Details wiring connections for DPS, MBS, RTD, LED, ATS, and DC power on the PCB.

Schlage M420 Specifications

General

Brand	Schlage
Model	M420
Category	Door locks
Language	English