Backup Power For Maglocks Guide

By Brian Rhodes, Published Nov 17, 2020, 10:59am EST (Info+)

When the main power fails, many believe maglocks must leave doors unlocked.

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However, battery backed up maglocks are allowed according to IBC / NFPA code. It just needs to be done properly. We examine the five critical steps for using backing up maglock power correctly:

  • Understanding Codes
  • Calculating Power Budgets
  • Factoring In Power Source
  • Connecting Power Supply Fire Alarm Loops
  • Including The AHJ

In this note, we look at what the code actually says about power backups for maglocks, where they might be illegal, and how to do it right when allowed.

Multiple *******

** ******* **** ******* ***** **** being ********* **** ***** *****, ***** are ***** ***** **************:

  • *****:************* *** ********** ***** *** *** they ***** ** * ********'* *** of******** ** *** *********** *****.
  • ***********: *********** ***** **** ************ **** a ********* ******.
  • *** ***: ******* ******** **** *** ******** authority ** *** ****, *** ***** most ******** ****** ** *** *******.

*****

********** ** ****, ******** ***** ** not ****** *** *** ** ******* backed ** ********, ******* *** ******** 'free ****** **** ****** ** ********' theme. ** ***** ****** ****** ******* backups, ***** ********** *** **** ** the ***** *****. *******, ***** *** is ******* ** **** *********. **** a **** ** ***** ********, ******** the **** ***** ** ********** ******** regardless ** ********* ****:

  • **** *** (****) *.*.*.*.* (************ ********** Egress **** **********)
  • **** *** (****) *.*.*.*.* (******-********** ****** Door **********)
  • **** ** (****) **.*.* ************ ****** Doors
  • *** ****.*.*.* (****)

(*** **** ****** ** ***** *********, see:**** ****** ****, ***, *** *** Codes *** *********)

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

**** ** ***** ** *** ****** hardware **** ************* ****** *** ****.

*******, *** ****** **** *** ******** the *** ** ****** *****.*** ******** **** ** *** ********* of ****** ***** ** ********* ** the **** ***** ****** *** ****** when *** ****** ** ********* ** when ***** ** ****.

*** ***** ************ *** **** * variation ** ***** '***** *****' **** take ********* ** *** *****, ** maintaining ***** ********* ** ***** ******** or ****** ***** ** **** ** a ******* ****, ***** ********** **** meeting *** ***. (*** *** **** section ** **** ******.)

Calculating ***** *******

******* *** **** * ******* **** keep * ******* ****** ** *******. Maglocks*** ********* **** ****** ******* **** can ***** ********* ******* ** *** current **** ** ********* **********, ****** ***** **** ***** that **** *** ***** **** *********.

******** ******* *** ***** *********** ******** ***** ** ** *** or ***** ** *****:

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****** * ***** ****** ****** ********* with *** * *** **** ************* **** **** **** ******* ***** (two **** ** ****** *****) *********. The ***** ***** ******* **** *.** amps *** ****, ** **** * 10 *** ******, ***** **** **** unlocked** **** **** ***** *****. ** such, ********* ******* *** ***** ******* manual ******** ********, **** ** ****** mechanically ******* *************** *****.

*********** **** ****** ** *********** ** other ******* **** **** **** ** powered ** *** ****** ******, ********* the ***********, *******, *** **** **** RTE ******* **** *** ****** *********. The ***** ****** ********** **** *** backup ****** *** ******* ***** *** backup ***** ******** ** **** ******* in * ***** ******, *** ***** capacity ** * ****** ** ******* design.

Designing ******* ****** - ****** / **** ********

**** ** ********* * ******* ****** system *** ** ************ ******** (*********) doors ** **** ******, *** ******* others (******) ******** **** ***** *****. Of ******, *** ******** **** ******* with ******** ******** ********** *****, *** in *** ******** ** ********** ****** for ******** *****, ****** *** **** to ** ********.

Factoring ** ********** ***** *******

*******, **** ** *** ********* ********** batteries, * **** ********** *** *** support ******* ********** ***** *** *** period ******* *** ******* **** ** power.

********, *** ******* **** ** ******* by *** **** ***** *** ***** will ** ******** **/*** ** ********** contacts. *******, ** ***** **** **** power ***** ** *** ****** ******** connects ******** ** *****-******* *******, ***** may **** ******** *** ****** ******* the ********** ******. **** ***, **** controller ******** *** *** ******** ** rated ** ******* *********** **** *** long *******.

*** *******, **** **** ****** ****** image **** ***** ** ******* ******* connection:

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***** **** ******* *** **** ****** amounts ** ***** (**: **** - 100mA), *** **********'* ****** ***** ******** may *** ** ***** ** **** through ********** ******** ** ***** ******** (ie: ***** - *****+)

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(****: ***** ******** ** ****** ** not ******* **** ****** ***** **********.)

** ** ******* ** **** **********, and *** *** **** ***** ******* 'direct ************' ** ***** ** ********, **** **** ******** *** **** installed ***** * ******** ****** ***** supply, *** ******* ** ****-**** ******** in *** **********. ** ***** *** limitations ** *** ****-**** ***** ******, especially ***** **** ***, ***** ******* ****** ******* ********.

Batteries ** *** ** **********

** ** ***** ****** **** ********* are *** ****** *** ****, ** even ********* ******, ** ****** *****. UPS ******* ** *********, ** ***** in*** ****** ***** *** ******** *****, *** *** **** ******** *** least ********* ** ******, *** *** duration ** ****** * *******. ** a ******, ********** ** ******** ************** or ******* **********, *** ****** ******** may ** ****** ** ** * generator. ** **** ****, *** ****** is ********* **** **** *********** *** runs **** ******** ** **** *** hour. ** ***** **********, *** *** length ** *** ****** ****** *** simply *** ** * **** *******.

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

*** ***** *** ***** ** *** engineering *****: **** *** **** ***** activates, *** ***** ** ******* **** drop. **** ********* ** *********** ** tying *** ****** ***** ****** **** the **** ***** *** ** ***** loop. **** *** ***** ** ******, it ***** * ****** ** *** supply **** ** **** *** ***** to ******** ****** ** ***** ** it.

**** ****** ***** *** ******* ************* include ***** ************, ******** **** *** typically ***** ** ******* ** *** to ******* ***** ********** ** **** it *******. ** **** *****, *** install ************ ***** '********* **** **** ********** ***/** ***** supply ** **** ******* ***** **** local **** ***** ** *********', ** *******.*******, ********** ***** *** ***** **** are *** **** ** ********** ** understood ***********.

***** ** *** ******* ** ******** issued ** * ****** ***** ******, which ** **** ** ********* ** drop ***** **** * **** ***** is ******** ** *** **********. *************, the ***** ****** ****** *** ******* fire ***** ***** ******** ******* ** connecting ** * **** **********. ************ *****, *******, **** ***** **** may ***** ** ***** ****** ********* to *** ******: *******, ***********, *** and ****.

**** *** ***** *** **** *********, and *** **** ********** ** '******** safety' ***** ***** ********** **** '******** security'.Therefore, ************* ******** *** ***** **** device ** *******, *** ***** **** conditions ****** ***** ** ********, ****** not ** **************.

Including *** ***

**** ***** *** **** ** ****, the ****** ***** ***** ** "**". If *** ************** ****** ************, ** ***, **** *** *******, the **** ** ****. ***** *** two ***** ******* *** ***** **** may *** ****** *** ****:

  • ***** ********* ******:**** ****** ** *** **** *** possibility **** ************ ****** ***** * building ******* *** **** ** ******.
  • ****** ***********:*************, **** ********** ****** ** ******** ******* ** the**** ************** ************, *** ********* ***** *********** keep *** **** ****** *** **** panicked ********* ****** * ********* ********.

** * ******, **** ***** ******** forbid ***** ****** ***** ** ***** types ** **** ***** ** * matter ** ***** ********* *** **** any ******** *** ** *** ***** of ***** **********.

Proceed **********

***** ****** ******** *** ******** *** hated ** ****** *** ********* ** work **** ** ****. ***** ***** maglocks *** ** **** ********* ** easier ** ******* **** ***** ***** of ******** *****, **** *** *** always *** **** ******. ** *** opening ****** ** *** *********** ** costly ** ****** ***** **** *****, then ****** ***** **** ** ******** to **** ***** ******.

******* ******* * ****-********* ****** *** getting ******** ** *** *** ** become * ******** *** *** *** access ******.

[****: **** ***** *** ********* ********* in ****, *** ************* ******* *** updated ** **** *** ****.]

Comments (9)

**** ******* ******* ********* ********* ** lock ***** ** ***** *** ** hooked ** **** *** ***** ****** in ***** ** ***** *****. *** input ********** ** *** ***** ***** is *** * *** ******* ******* only, ***** *** *********** ** ***** and ********** ******** **** * *** power ******* ****** **** ** * battery.

Agree
Disagree
Informative: 1
Unhelpful
Funny

****'* * **** *****. ******** ***** on * ***-***** *** ******* ** not ***** ** ***, *** ***** it ******'* **** ***** **** ** isn't * **** *******. *'** *** the ***** ********.

Agree
Disagree
Informative
Unhelpful
Funny

*** ***** *** **** ******* ***** a ******* *******. ****** *** ******** this ***.

Agree
Disagree
Informative
Unhelpful
Funny

**** ******* ********* ****** **** *** forgot ** ***** *** ******* ********* CURVE & *** **** **** * batteries ******** ******, ********* ***** *******, based ** ******* ****, *********** & degree ** ***** **** *********.

*** **** ****** ******** **** ******* capacity ** ********** ** **** **** scenario, *** ***** ****, ** ***********.

**** **** ***** ********** ** ** good ** ********* **** ********** ****** time ** **% ** ***** *** these *********.

***** **** ******* ******* *** * mag ***** **** **** * ******** 1280mA. **** * * **** ********* give *********** ******** ** ***** ** a *********** ****** **** ** *.* hours. ** **** ***** ************ **** off / ********* ******* ******** ** 30% ***** ***** ** ******** **** world ****** **** ** *.** ***.

Agree: 3
Disagree
Informative
Unhelpful
Funny

*** ********** ** ******* * ****-******, while ****- *** ****-****, ******* ******** sorted *** ******* ** *** ** the **** ******* * ****** ** work **** ******** ** ******* ******** possible.

*****'* **** ** **** ****** ***** a ******* ** **** ******, ********* break-glass, **** **********, ********* ********, ***** or ****** ******* ****** ***** ***** have ** ***** *** ***** * door ***** ****** **** ** *******'* be.

******* *'* *** ******** *** * strongly ****** * ******** **** ***** gracefully ** * *** ********.

Agree: 1
Disagree
Informative
Unhelpful
Funny

*** ****** *** **** *** ******* ... ** * ********** **, ******** code ** ******* ******** * ******* must ** ******** ***** ***** ** event (**** *****, ** ***** ****, etc). *** ** ******* ** ******* a ******* **** ** ** *** maglock *** ***** **** ******? * couldn't **** *** ******** ******** **** section *** **** ** *****.

** **** ** ****** **** ***** to **** ******* "***** ********" ** "hiccups" **** **** * *** ******* or * ******, *** **** ****** all *** ******** ** ** ******** until * **** **** ***** **** an ********** ****** ** **** ** reset *** ******. **** ******* * couple ***** ******.

****** ** *******,

Agree
Disagree
Informative
Unhelpful
Funny

** ** *** ****, ******** **** the ***** ****** ****** ******* ** the **** ** ******* *** ****** we *** ** **** **** (*** related ** *****). ******** **** ***** place, ** *'* **** *** ** us *** ***** **, *******, ******** possible ** *** **** ** ******* to *** ******* ** ******* **** of ********.

Agree: 1
Disagree
Informative
Unhelpful
Funny

*** **** ***** *** ***** **********,**** ****** ****, ***, *** *** Codes *** *********, ****** ** ** ***-********* ******.

Agree
Disagree
Informative
Unhelpful
Funny

****** *****. **** *****.

Agree
Disagree
Informative: 1
Unhelpful
Funny
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