when is elr used?

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As of Feb. 23rd 2011 Falcon RDS-2 power supply has been discontinued and no longer available.
The older ELR 17/18 device would have to replaced with a new EL-24/25 device and use the PS914 with either the 900-2RS or 900-4RL board.
This is not an option, the older RDS-2 was used with the older Falcon Monarch ELR devices.  The power supply would apply 24VDC for 1 second then drop down to 5VDC for the remainder of hol...
The standard Falcon 25V vertical rod cannot be cut to fit on a 2 feet door opening.This device requires 2' 7 1/8" minimum door opening. Falcon offers a device that can be used on a 2 feet door...
Electric Latch Retraction(ELR) option for the 19 Series was discontinued in December of 2006.
The 909 strike is used in single and paired non-fire rated and single fire rated openings.  The 954 strike is used in fire rated paired openings.
The 1609 strike cannot be used with Von Duprin XP98/99 exit device.
Hinge manufacturers do not require or recommend that doors should be reinforced for continuous hinges. Steelcraft does not reinforce for continuous hinges unless it is specified on the customers' P...
Grouting frames is: A process done in the field during hollow metal frame installation  The internal cavity of the frame is fill with masonry or mortar It is intended to mainly provide ...
On the 5547-F device both rods lift and on the regular 5547 device the rods move towards each other.  A 371L control trim lift the top rod, so it would not pull the top rod down on a regular 5547 d...
Chexit motor driven devices shipped after 8-24-2015:You can use 1 Chexit device with PS902, 3 Chexit devices with PS904, and 4 Chexit devices with PS914 or PS906 power supplies with proper gau...
The ALK exit alarm will sound when the exterior trim is used to enter from pull side without using access control when an LX latch bolt monitor switch is used instead of RX push bar monitor switch.
Extra Long Rod
Electrified both levers lock two-point latch (inside and outside cylinder) - Electrically locking/unlocking both levers. Latchbolt(s) retracted by outside key and lever, by inside key and lever, or...
Electrified both levers lock two-point latch (outside cylinder) - Electrically locking/unlocking both levers. Latchbolt(s) retracted by outside key and lever, by electrically unlocking door, and by...
Electrified both levers lock, two-point latch - Electrically locking/unlocking both levers. Latchbolt(s) retracted by outside or inside lever when unlocked. Requires doors specifically designed for...
The First Person In feature is used in combination with AutoUnlocks. If the First Person In feature is enabled, the lock will remain locked until a user presents a credential to open the door. The ...
A generic name for contactless integrated circuit devices used for security access or payment systems. The industry generally refers to cards that operate at 125kHZ as proximity cards. These cards ...
Classroom security lock* two-point latch - Latchbolt(s) retracted by lever from either side unless locked by key from either side. When outside is locked, latchbolt(s) retracted by key and lever ou...
Institution lock with deadbolt - Latchbolt is operated by key from either side. Knob/lever on both sides is always fixed. Deadbolt is operated by key on either side. Auxiliary latch deadlocks latch...
Electrically locking and unlocking both levers (inside and outside cylinders) - Both levers continuously locked (EL) or unlocked (EU) by 12 or 24V DC. EL is fail safe (power failure allows outside ...
Electrically locking and unlocking both levers (outside cylinder, inside thumbturn with deadbolt) - Both knobs/levers continuously locked (EL) or unlocked (EU) by 12 or 24V DC. EL is fail safe (pow...