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SECURITRON PB3, PB3A, PB3N, PB3AN EXIT BUTTON
INSTALLATION AND OPERATING INSTRUCTIONS
1. DESCRIPTION
The model PB3 is a spring loaded momentary rectangular exit button, with bi-color illuminati on,
mounted on a stainless steel single gang outlet box cover. The model PB3A is alternate action
(push-on; push off). Adding "N" to the part #(PB3N, PB3AN) yields mounting on a 1 3/4"
narrow stile plate. The NO and NC (DPST) contacts switch when the button is depressed and
return when it is released. The switch is UL listed with 3 AMP capacity. Note that the switch
type is double pole double throw. Two of the contacts are not factory wired (see drawing
below). The reason for this is that all six contacts are rarely required and pro viding less factory
wiring makes for a less crowded hookup. The installer may use these contacts by soldering
leads to them.
The red and green lamps can be individually operated according to the needs of the installation.
The red lamp is an LED mounted above the button and the gr een lamp is an LED, illuminating
the button itself. The PB3 can be used for momentary release of fail safe or fail secure electric
locks. If interfaced with a release hold timer, such as Securitron's TimeMate, it can provide for
timed release of electric locks. It may also be used to input a REX (request to exit) signal to a
card reader system. We recommend that the local building or fire safety authority be consulted
prior to using exit buttons for door egress. They may require a "no special knowledge" exit
device such as Securitron's Touch Sense Bar.
2. INSTALLATION
The PB3 comes with a retro-fit mounting device and color coded hookup wires installed. The
drawing below shows the unit's connection points.
WIRE IDENTIFICATION
REMOVE RESISTOR
REAR OF UNIT SHOWN
RED LED
NC2
YELLOW
BLUE (NO 2)
RED (NC 1)
GREEN
FOR 12 VDC
OPERATION
REMOVE OUTER
RESISTOR FOR
12 VDC OPERATION
YELLOW= RED LE D P OSITIVE
GREEN= GREEN LED POSITIVE
BLACK= COMMON DC NEGATIVE
NOTE THAT NO1 AN D NC2 A RE N OT
FACTORY WIRED BUT MAY BE WIRED
BY THE INSTALLER IF DESIRED
BLACK
NO1
RED/WHITE (COM 1)
BLUE/W HI TE ( CO M 2)
NOTE: LIGHTS
OPERATE ON
24 VDC IF
RESISTORS NOT
REMOVED
3. LAMP OPERATION
Resistors are installed so that the lamps may be operated on either 12 or 24 VDC. The yellow
wire drives the red LED and the green wire drives the green LED. The yellow wire has a single
resistor soldered in line and the green wire has two resistors soldered in line. If the power
supply is 24 VDC, connect directly to the wires. If the power supply is 12 VDC, remove the
resistor on the yellow wire and the outer resistor on the gre en wire for proper operation at the
lower voltage.
© Copyright, 2012, all rights reserved PN# 500-15100
Page 1 Rev. D, 02/12

The red indicator draws 20 mA at either voltage. For replacement: the red indicator LED is
Securitron’s part number 700-10095 the switch LEDs are listed in the table below.
Switch Green LED 030-11000
Switch Red LED 030-11030
4. WIRING
The drawings below show two common applications. The first shows mom entary release o f a fail
safe or fail secure electric lock. The PB3 indicators are connected so that the switch LED is
normally on. When the button is pressed, releasing the lock, the switch LED turns off and the
Keyplate indicator comes on. The second drawing shows timed release of a fail safe electric loc k
using the PB3 and Securitron's TimeMate. Momentarily pressing the button will release the lock
for the amount of time set on the TimeMate. The Switch LED will swit ch off and the keyplate
LED illuminates during the lock release period. The wiring is also done in double break fashion
so that even if the timer fails, the button will still be able to momentarily release the lock. This
is for added safety.
MOMENTARY RELEASE OF FAIL SAFE OR FAIL SECURE ELECTRIC LOCK
POWER
SUPPLY
POWER
SUPPLY
RED
IF FAIL SAFE
GREEN
BLUE/WHT
PB3
BLUE
IF FAIL SECURE
+
RED/WHT
YELLOW
BLACK
TIMED DOUBLE BREAK RELEASE OF FAIL SAFE LOCK
BLUE/WHT
+
RED/WHT
GREEN
PB3
BLACK
YELLOW
BLUE
RED
YELLOW
WHITE
RED
BLUE
GREEN
TIMEMATE
BLACK
+
+
+
FAIL SAFE
D.C. LOCK
ELECTRIC
D.C. LOCK
5. ALTERNATE LENS CHANGING
The pushbutton is factory shipped with a green lens set installed and an optiona l red lens set.
Changing to the Red set is simple
1) While holding the keyplate grasp the top and bottom of the lens and pull straight out from
the keyplate.
2) To remove LED use a fine-nosed pliers and grasp LED by the sides and
pull straight out.
Flat se c tionFlat se c tion
3) To replace the LED. Look at the back of LED and locate the flat section
on the LED circumference. The flat section will go up when inserting the
LED into the switch. With fine-nosed pliers grasp the edges of the LED
from the front side of the LED, lineup the LED terminals with the socket
LED Back View
in the switch and gently push the LED into the switch.
4) Place the lens over the switch face confirm that the text on the lens is right reading to the
keyplate and push down completely until it snaps into place. Depre ss lens several time to
ensure smooth operation and that the lens is not binding.
PN# 500-15100
Page 2 Rev. D, 02/12