what is LC option

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The RX-LC and LX-LC (Low Current) switches are used for current up to 0.05 amps at 24 VDC and the standard RX and LX switches are used for current greater than 0.05 amps up to 0.5 amps at 24 VDC.
Here is detailed information on why the Von Duprin RX-LC Swtich is required by the AD300 and AD400 993 units.   A low current switch is needed because … -     &nb...
The attached table shows the part numbers for LX-RX and LX-RX-LC switches field installed.
No, the 33A is not compatible with the AD and  CO 993  chassis units. The  33A can only be driven in a clockwise direction. This would restrict it to right hand installs only.
The following common wiring diagrams are available:One Single Door with Panic BarElectric Latch Retraction, with Auto OperatorDelayed egress - Fire Rated ApplicationAuto Operator and actuatorElectr...
Electronic Protocols:Access Control Door with electric trimAccess Control with electric strike Access control with electric strike and LCN 4600 automatic operatorAccess Control with remote Loc...
ALWAYS put the PIM400 in LINK mode first. On a PIM400-TD2 press the LINK1 Button for door one, and LINK2 button for door 2. With a PIM400-485 you must use the SUS/HHD to select which door to LINK.  
1. To put the AD400 in LINK mode, hold down the RTE (Lever or crash bar see below) and press the # key on the key board, or present a card to the reader.            Why press the # key? Because t...
2. AD400 requires a Request To Exit (RTX) signal to link - see the user guide instructions for the linking process.  For an AD400 to enter link mode, it must see the RTX (Request To Exit) switc...
   3. Check the AA battery level, if the AA batteries are below 4.7 volts the AD400 can fail to LINK.             Install fresh batteries, with a level of 6.0 volts or better.  
4. PIM400/AD400 COM400 plug could be damaged! The small pins in the Main PCB board connection for the RF COMM board can get bent during installation of the RF COM400 board. If the PINs are bent a...