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Copyright 2001-2022, ASSA ABLOY Accessories and Door Controls Group, Inc., an ASSA ABLOY Group company. All rights reserved. Reproduction in whole or in part without the express written permission of ASSA ABLOY Accessories and Door Controls Group, Inc. is prohibited.

Norton Rixson offers a wide range of electromagnetic door holders/releases. Designed for virtually any remote door release application, electromagnetic door holders/releases primarily hold fire doors open until released by an alarm or smoke detector. Floor mounted units are available for single or back-to-back doors. Wall mounted units feature concealed or surface wiring, low profile projection or high hold force.

Table of Contents Introduction

E L E C T R O M A G N E T I C D O O R H O L D E R / R E L E A S E S

T A B L E O F C O N T E N T S

How to Select Product ....................................................................................................................................................................................................................................3 Specifications......................................................................................................................................................................................................................................................4 980M Floor Mounted ..................................................................................................................................................................................................................................5 981M Floor Mounted Back to Back Doors ..........................................................................................................................................................................................5 989, 990M Low Projection Wall Mounted ..........................................................................................................................................................................................6 991M Hazardous Location Wall Mounted ..........................................................................................................................................................................................7 993M High Hold Wall Mounted..............................................................................................................................................................................................................7 9930M High Hold Floor Mounted ..........................................................................................................................................................................................................7 994M Wall Mounted Adjustable Armature ........................................................................................................................................................................................8 996M Surface Mounted .............................................................................................................................................................................................................................8 997M, 998M Wall Mounted .....................................................................................................................................................................................................................9 999M Universal Wall Mounted ............................................................................................................................................................................................................10 Wiring Schematics..........................................................................................................................................................................................................................................11 Accessories........................................................................................................................................................................................................................................................11 972H Industrial Swinging Door .............................................................................................................................................................................................................12 972S Industrial Sliding Door ..................................................................................................................................................................................................................12 972U Industrial Overhead Door ...........................................................................................................................................................................................................12 How to Order ....................................................................................................................................................................................................................................................13 Parts List .......................................................................................................................................................................................................................................................14-19