
OMECHANICAL LOCKS
13
ELECTRIFIED ACCESSORIES
8WTCM
Features
• All circuitry completely sealed
• Wire leads for easy installation
• Through hole mounting
• Usable on other manufacturer’s 12 & 24 VDC locksets
Specifications
Wire leads: 18 AWG stranded vinyl insulated wire approx. 6" in length
Voltage input: 24 volts AC/DC
Voltage output: 12 volts DC; 24 volts DC minimum at one (1) amp
max. load for approx. one (1) second, then 15 to 17 VDC regulated
output until input voltage is interrupted.
Output protection: Short circuit current limiting set at one (1) amp;
output reverse hookup protection for internal circuitry only.
Operating temp: -4 to 158°F (-20 to 70°C)
Size: 2" x 2
1
/
8
" x 1
3
/
8
"
To order specify: 8WTCM
Function/Application
A temperature control module (TCM) reduces the
amount of current flow to a lockset one second after
energizing, thereby lowering the temperature of the
lockset trim. A TCM may be needed on an electrified
mortise or electrified cylindrical lockset if energized
for long periods of time. The TCM is not used with
any IDH-Max function. The TCM Must Be ordered
separately for DEL, WEU, NXEU functions, but is
automatically included with 44H–47H DEL\, WEL,
NXEL functions.
8WTCM
Temperature
control module
TERMINOLOGY
TERMINOLOGY
Closed–A state in which a connection exists between the common terminal and another terminal on the switch. See also Open.
Common terminal–A terminal on a switch whose contact can be connected to one or more terminals on the switch.
Door monitor switch–A switch that monitors whether the door is open or closed. This switch is used to detect a forced entry,
or a door that is propped open.
Inductive load–An electrical device such as a motor, relay, or solenoid. Note: this type of load can cause arcing across switch
contacts and may burn the contacts. See also Resistive load and Lamp load.
Lamp load –An electrical device that produces light using a tungsten filament, such as an incandescent light bulb. Note: this
type of load can cause surges of current upon contact closure. This may cause the contacts to weld together. See also
Inductive load and Resistive load.
Maintained–Remaining in a given state until the switch lever or button is actuated. Actuating the switch lever or button causes
the switch to change to another maintained state.
Momentary–Remaining in a given state only as long as an external force is applied to the switch lever or button.
NC–(Normally Closed) Switch contacts that are closed as long as no external force is applied to the switch lever or button
NO–(Normally Open) Switch contacts that are open as long as no external force is applied to the switch lever or button.
Open–A state in which no connection exists between the common terminal or any other terminal on the switch.
Pole–The number of independent circuits in a switch. For example, a double-pole, single-throw switch can control two
separately powered motors. See also Throw.
Resistive load–An electrical device, such as a heater, having none of the characteristics of an inductive or lamp load. This type
of load is the least severe on the switch because only a small amount of arcing occurs when the switch contacts open and
close. See also Inductive load and Lamp load.
RQE–Request-to-exit. A switch that allows the user to exit without setting off an alarm. The 34–37H mortise lock can be
supplied with an internal request-to-exit switch. Turning the inside knob or lever actuates the switch and, when wired to an
alarm system, sends a signal to disable or sound an alarm, start a timer, etc.
Throw–The number of circuits, or contacts controlled by each pole. For example, a single-pole, double-throw switch can
control a motor with two contacts—a forward contact, and a reverse contact. See also Pole.
1300– Integrated BAS1300/LNL1300 reader electronics board or (ISC) Intelligent System Controller is embedded behind the
escutcheon secured and out of site. Functions with B.A.S.I.S./Mercury on-line equipment only.
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