Maglock Selection Guide

Author: Brian Rhodes, Published on Dec 26, 2012

One of the most misunderstood yet valuable pieces of electrified hardware is the maglock. Few locks are stronger, but myths and confusion surround their proper use. Many access control designers avoid using them altogether, but should they? In this note, we examine maglocks, their proper application, and how to avoid problems when using them, including:

Designed to Fail Safe

  • **** **** ** **** ****** ********
  • *** **** ********** ** * *******
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  • **** *******
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  • ******** ******* ** **** *********
  • *** / **** ***** **************

******* ************** ***** ***** ******, *** ******** **** ****. ****** other ****** ** *********** ******** **** *** ** ********** ** fail ****** - *********** ************ ****** ** ** ********* - maglocks **** *** ******* ***** **** ***** *****.

******* * ******* ** *********** ** *************, ** ****** ** not ******* - ** ****** **** *** *******. ****** ********** cylinders ** ******** ******* **** **** ****** ********** ********** **** can ***** ** ****, * ******* *** ** ****** ****** and **** *** **** **** ****.

************* *********** *********** '**** ******' ** ***** *******, **** **** *** ******** installed **** *** ****** ***** *********. *** '***** *****' ************ means **** * ******* ****** ******** ********* ** ******, ** it **** *** ******* ** ***.

**********

******* ***** '****-****' ******** ******, * ******* ** * **** simple ****** ******** ** **** *** ******:

  • ********: **** ** * **** ******* ** ***** **** ******* the ****** '***' ********* ** *** *****. *** ******** **** be ******** ******** ** *** **** ** ***** ** ******* a ****** **** *** **** *** **** ****.
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Which **** ****** * ******?

********* *** ****** **** ** ******* *** ** *********** ** not *********, ** * *** ***** ********** *** ********* ****** specification. *** ***** ********* **** **** ** ********, *** *** order **** **** ** ***** *** ****** *****:

  • ********/ *** ************
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********

*** *****, *** **** ******** ****** **** **** ** ********* is ******* ** *** *** ** ******** *** ********* ** the ***** **** ***********, ** **** ******* ************ ***** ** their ***. ********** ** *********** ** ******* ** * ********* level, *** *** **** **** *** **** ** *** ****. In *******, * **** ** *** ***** **** ******* ** City ***** ********** **** ***** ****** **********. ** *** ******** below, **** **** ******** *** *** **** ********* ** **** locations, **** *****, *** ******* ****:

Shear ****** **. "************"/**** ******

******** *** ********* ** *** ********** *****; ****** ************/**** ***** or ***** ***** *******. *** ********** ******* ***** ***** ** noted ** *** ******* *****:

*** ****** ********** *** ******** ******** ******** ** *** *******. As ******** ** *** *******, *** ******** ********* *** **** is ******** ** '****' ************* *** ****. ******* ** *** differences ** **** ********, * '************' ******* ** *** ****** for *** ** * '*****' ***********, *** **** *****.

***** *** ********* ********* ** *** ****, *** ************ ********* and **** ************ *** ********* ********* ** ******* *****. ** the ******** *****, ** ******* *** *** ***** *** *** they ******:

Shear *****

**** ***** ** ******** ** ******* **** ***** ******** **** be ***-*******, ** **** *** ** ********** ******** (******) **** frames. ******* ***** ***** *** ********* ***** **** ******* ********, they *** ******-*********. *******, ***** ***** ***** *** **** ****** than *** '************' **** ******* **** ****** *** ***** **** be ********** ********** **** **** ********** ** ****.

***** ****, ** *** ****, ** ********** ****** ******* ******* are '*****-******' ** '***********' ** ******** ***** (******* *** ****** cut-outs), ***** ***** *** *** ********** ****. *******, ******* ** their ***-******* *** ****** **** ** *** ******** ********* ** travel, *******  ************ **** ***** ** ******* ******* ***** ****** shear *****.

**** *** ***** ***** ** ******* ***** ******** ** ***** maglock *****, ******* *** ** *** ********** *********** ******** ** doors *** ****** ** *** ****, *** ********** **** ** higher.

Conventional / **** *****

*** **** ****** **** ** ******* ********* ***** ** *** "Conventional/Pull" ****. ** ******** ** *** ***** ******, **** **** is ********* **** *** ****** *******, ******* *** ****** **** be ********* ** *** '******' (** *********) **** ** *** door. *** ********* ** **** ***** *** ********** ****, ***** some ***** **** ***** ** - ********* ** * ************ to *** ************ ******** *** ******** ******* - * ***** we ******* *****.

***** ******* ** ********* ********* ****** *** *****, *** *** armature ***** ** ********* ***** **** *** **** ******. ******* this ***** **** ** ********* ** ** ** ******** **** the **** **** ******, ** ** ******* *** ******** **** through-bolts. ***** *** ** ***** *** ****** ***** ** **** doors, **** *** ******* * ******* *** ********* ***** ** thin ***** *****. ** ***** ************, * '*** *******' ******* *** **** ** ** **** *******.

Bond *******

******* ******* ***** ** ******** ** ******** ** ******, ********** more **** **** ****** *** ****. **** ****** ********* *** amount ** ******* ***** ******** ** ***** *** ******** **** of *** **** - *** ****** ******* **** ******** *** electromagnetic ****.

*********, *** ****** **** ****** ********* ***** ******, ***** *** ********* ****** *** ***** ****** ******. ** *******, *** ******** *** ******* ***** *** ****** the **** ******** **** * *** ******* ******* ** **** than $**** *** *** ********* *****. *******, *********** *** ********** elements ** *** ****, (**: ****, ******, **** ********) **** fail ****** *** ******* ******, ** ** *********** ********* *** uncommon *** *** **** ** * ******* ** ** ********.

** *******, ******** ***** ****** *** ** ******* **** **** that **** ***** ***** ********. **** ********* *** ****** ***** have * ******* ** **** (**: ******** ******* *****, ******* gates, ** *******), *** **** ****** *** ** **** ***** a ***** ***** ****** ***** *** ****** ** **************-******** ********.

Power **************

******** ******* ***** *** *********. **** ****** ****** *** ***** selectable ** ****** ** ** *****, *** ***** ******** *** AC ******** *** *********. ***** *** ***** ***** ** ***** recommended ** ** ******** ** ** ***********, ************ ***** ***** supply. ******* *** ************* ** ***** ***** ** ******** ********* on *** ******** *** ************* ** *** ***** ******, ******** do *** ********* ***** ***** ******* **** ************ *********.

************, ***** '***-****' ******** *** *********, ********* ***** *** **** controller ** *** *** **** ******** ******* *** ******* ** not ***********. ****** * ****** **** **** ************** ***** ***** when *********, * ******* *********** ***** ***** ****** *********. *** heavier ****-***** ** *** ******* ***** *** * ****** ****** that ** **** ******** ***** *** **** ** ****** *** constant ****** ** ******* ** *** ****.

Matching ******* ** **** *********

*** **** **** ** ******** ***** **** ** *** ***** from ********* *** **** ******. ******* ******** *** *********** ** several ****, ******** **** ** ********* ** ***** *** *******. We ******* * *** ** *** **** ****** ************ ********* in *** **** *****:

  • *********** ****:**** ** *** ********, *** ******* ******** **** ******** *** installed. ** **** ********, ******* *** **** ****** **** **** the ******, *** ******* ** ********* ******* *** *** **** frame ** *** ****, *** *** ******** ** ******* ** match *** ********. ***** *** **** **** ******** **** *** 'headspace' ** *** *******, ********* **** ** **** * *** inches. ***** *** ******** * **** ****** ** *** ****, the **** **** *** ******* * ******.
  • ********** ****: ** **** ***********, *** ***** ** *** **** ***** interfere **** *** **** ** **** ** *** '***********' ********, so *** **** ** ***** ** *** ******* ***** **** the **** ** *** *** *****. ** ********, *** ******** is ***** ******* *** ****** **** * '*-*******', ***** *** ** ** ********** ****. **** ** *** picture ***** *** *** **** ***** ******* ************ ********:

  • ******-**** *****:******** *** ** ********* ** '****-****' ** '******-*****'. ********* ***** require ******** **** ***** ** ******* **************. ***** **** *** sometimes ** ******** **** *** ******-**** ********, **** ********** ****** door *********** *** **** **** ** ** ********* ** * single ******* ******. ** **** ****, * ******-**** **** **** be **** ** * ****** ******* ******* **** ***** ******** doors ** **** ** *** **** ****. ** *******, ***** units *** **** ** ** ********* ** *** ***** **** single *****, *** *** ******** ** ***** *********** *** ****** ************.

  • ****-**** ********:******** *** **** **** ** **** ***** ****. ********** ** applications **** ******** ********* ** **** ********, **** ***** *** be ******** ******* **** *** **** ****** **** ********** *********. Because ******** *** ****** ** ********** **** **** ***** *******, they *** ********* **** ** **** ***** ** *** '****' position, *** ** * ****-***** *********, *** ******** **** *** associated **** ****** **** ***** *** *****. *** ***** ***** shows * ******* **** ** **** ***********:

Required *** ********/ **** ***** ***-**

******* ******, '***', ** '******* ** ****' ******** *** *********** required ** **** ***** ******** *** *********. ***** *******, ************ ****** **********/**'****' ***********, **** ** ********* ** * ******* ***** ***** **** people **** ** ****** ******* *** ****.

***** *** ***** ** ***********, *** **** ** ********* ********** in * ****** ****, *** *********** ** ******* *** ******** is ***** ***** ** *** ********* ******* ** ****** ****:

**** *** **** *******:

****.*.*.*:******************* ****** ****** *****. ***** ** *** ***** ** ****** in ********* **** ** ********* ** ***** *, *, *, M, *-* ** *-* *** ***** ** ****** ****** ** Group *, *, *, *, *-* ** *-* ***** ** permitted ** ** ******************* ****** ** ******** **** ****** ******** that ************ * *****-** ****** *** **** *** ************ *****:

*. *** ****** ******** **** ** ******* ** *** **** leaf *** ** ******* ****** ** ********* **** ** ******* operated ***** *** ******** **********.

*. *** ****** ******** ** ******* ** ***** ******** **** one ****.

*. ********* ** *** ****** ******** ******** ********** *** ***** to *** *************** **** *** ******* *** **** ***********.

*. **** ** ***** ** *** ****** ******** ************* ******* the ****.

*. ***** ***** ** **** **** ******** ** ******** ** 1008.1.10, ********* ** *** ****** ***** ** **** **** ******** also ******** *** *************** ****.

**** ************* ******* ******** ** ************* ******* **** *** **** alarm ** *********, ** **** ********* ****** ** * **** is ********** ******** ** ********. ************, ************** ** ******* ******** **** ********** ** *** **** ***** in ******** ** *** ******** *** **** ********* *** **** ******* ** *** *** ****, *** **** jurisdictions **** ***** ******* **** *********** ******* *** ****** ********.

*******

******* **** *** *********** **** ********, ******** *** ********* **** most '***********' **** ******** ************* ****** *** **** *****, ********* Rand, *** ******* ******.  *******, ***** *** * *** ****** that ********** ** ******** ******** ** ***** **** ******* *******. While *** * ************* ****, *** ******** **** ******* * few ** ***** ********* *****:

  • ********:* ***** ************ **** * ***** ********* ** ****** *****, voltages, *** ********** ********.
  • ***: *********** ******** ************ **** *********** ** ****** ******* ********, including ***-*******, *** ******* ****, *** **** **** ****** ********.
  • ********** ********: **** ************ *** ******** ********* ** ***** (* *********** we ******* ** **** ******)  ***** *** *** **** ** '************* ********' **** *********** ******* ******, ******/***** ************, *** **** **** cameras.
  • **********:**** **** ******* ****** ******* ***** ** ********, ********* *** low-profile **** ******, ************ ** ******* ** *********** *** *** and **** ****** ** ** *************** ****** ******. (*** ********* ** **** ********** **** *******.)
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