FAIL SECURE VS FAIL SAFE

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The ND electrified motor driven locks shipping as of  March 14, 2016 has a field selectable operating mode, you can convert from EL to EU or EU to EL by flipping a switch on the chas...
The electrified ND electrified solenoid driven lock shipped prior to March 14, 2016 can be converted between fail safe (EL) and fail secure (EU) by swapping out the solenoid, sleeve,...
To convert the E360L electric trim from fail safe to fail secure or vice versa you need to replace the solenoid.  The 050743 is the fail secure and 050744 is the fail safe solenoid kit.  See atta...
To convert the Von Duprin 6000 series electric strikes from FS to FSE  or from FSE to FS follow these steps: Remove the electric strike face plate. Remove the strike box cover pl...
Part numbers: FS slider, part # 970387 (6211WF/6212WF/6221/6223 only) FS slider, part # 970388 (Except 6211WF/6212WF/6221/6223) FSE slider, part # 970388 (6211WF/6212WF/6221/6223 only) FSE sl...
The E996L is only shipped FS fail safe from the factory but can be converted to FSE fail secure.  To convert the 996L to E996L (fail safe or fail secure) follow step 1 of the attached installa...
Procedure for the L9090EL/EU, L9091EL/EU, L9092EL/EU, L9093EL/EU, L9094EL/EU, L9095EL/EUThese devices have a selectable switch in the upper right corner of chassis.  Simply move the switch to ...
Procedure for the L9080EL/EU and L9082EL/EUTo modify an electrified L9000 from EU to EL or EL to EU move the link pin to the appropriate location indicated below in Figure 1.  
Use a normally closed fire alarm as the input to the power supply option board (PS873-2 or PS914-2RS), this will hold the latch retracted.  During a fire alarm, the contact will open, dropping...
The E996L-FSE trim is needed if the application requires fail-secure operation from the trim side of the opening. When power is out on Chexit device, E996L-FSE trim will remain locked to ...