3800 Series Electric Mortise Lock Electrical
Specifications and Supplemental Instructions
I-LS02200
REV 2, 04/18/2018
27390101
Page 1 of 4
FUNCTION DESCRIPTION
3880EL - Fail Safe Control
Outside trim is locked when power is applied and unlocked when power is removed (storeroom function when energized). Lockset
will unlock in the event of a power failure.
3880EU - Fail Secure Control
Outside trim is unlocked when power is applied and locked when power is removed. Lockset will lock in the event of a power
failure. This is the default lock setup.
Note: 3882 will function the same as the 3880EL / EU, but both sides will lock/unlock simultaneously.
Key Function
When key cylinders are installed into locks, the latch bolt may be momentarily retracted from the outside with key even if lockset is
electrically locked.
Latch Bolt Monitoring
Latch Bolt Monitoring (LM) is a SPDT switch that is mounted inside the lockset. The LM switch monitors the full extension of the
main latch.
Request to Exit
Request to Exit (RX) is a SPDT switch that is mounted inside the lockset. The RX switch monitors the activation of the inside trim
when the lockset is in the locked position only.
Door Position Monitoring (DPM)
Door Position Monitoring is a SPDT magnetic reed switch that is mounted in lock body and reacts with a magnet in the strike to
monitor if the door is in the closed position.
ELECTRICAL SPECIFICATIONS
EL and EU
RX and LM
DPM
Motorized Locking / Unlocking at 12/24V
operation with low power consumption
Voltage: 12-24V AC/DC (11V – 30V)
Current: 250 mA MAX Inrush, 10 mA
MAX holding
Non-polarized leads
Fail Secure by Default
SPDT mechanical switch. Mainly used as
a dry contact monitoring switch.
Voltage
Current
125 VAC
3 AMP
30 VDC
2 AMP
RX Wiring Diagram
Yellow Wire: (common)
Red Wire: (normally open)
Gray Wire: (normally closed)
LM Wiring Diagram
Black: (common)
Red: (closed loop secure)
White: (open loop secure)
SPDT Magnetic Reed Switch (used as a
dry contact monitoring switch)
Voltage: 28 VDC
Current: 0.300 A
DPM Wiring Diagram
WHITE WIRE – (COMMON)
RED WIRE – (OPEN LOOP SECURE)
GREEN WIRE – (CLOSED LOOP
SECURE)
Quick Connect Assignments: See page 4 for detailed pinning information
2-Conductor Wire Run
Distance
12V/24V
Wire
Gauge
125’/250’
22
200’/400’
20
300’/600’
18
500’/1000’
16
750’/1500’
14
1250’/2500’
12
