Nascom N72W-SW, N72W-ST, N72B-SW, N72B-ST Specsheet
3/8” RECESSED STANDARD DOOR CONTACT SET WITH MOUUNTING FLANGE
DESCRIPTION
Nascom’s N72 Series standard length 3/8” recessed contact with mounting
ange, protects all nonferrous (e.g. wood, aluminum and vinyl) doors and
windows in both residential and commercial settings.
The N72 is the installer’s choice of contact conguration where drill depth is
not a concern and maximum air and side-to-side gaps are required to prevent
false alarms caused by shifting or warping doors and windows.
FEATURES
• PRESS FIT - NO GLUE REQUIRED • ENCAPSULATED HERMETICALLY SEALED CONTACTS
• 12” 22AWG WIRE LEADS • ABS HOUSINGS
• WIDE GAP - N35 NdFeB RARE EARTH MAGNET • LISTED TO UL634 STANDARD
ORDERING INFORMATION
CONTACT RATING
PART
NUMBER
COLOR
OPERATE
GAP
(in inches)
(Max DC/Peak AC Resistive)
SWITCHING CARRY
V I V I
CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N72B/ST
N72G/ST
N72T/ST
N72W/ST
BROWN
GREY
TAN
WHIITE
0.87 to 1.3125 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N72B/ST2CR
N72G/ST2CR
N72T/ST2CR
N72W/ST2CR
BROWN
GREY
TAN
WHIITE
0.87 to 1.3125 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N72B/STFB
N72G/STFB
N72T/STFB
N72W/STFB
BROWN
GREY
TAN
WHIITE
0.625 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
SINGLE POLE, DOUBLE THROW, SWITCH/MAGNET SET:
N72B/STSD
N72G/STSD
N72T/STSD
N72W/STSD
BROWN
GREY
TAN
WHIITE
0.625 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
DOUBLE POLE, DOUBLE THROW, SWITCH/MAGNET SET:
N72B/STDD
N72G/STDD
N72T/STDD
N72W/STDD
BROWN
GREY
TAN
WHIITE
0.625 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N72B/STHS
N72G/STHS
N72T/STHS
N72W/STHS
BROWN
GREY
TAN
WHIITE
0.25 to 0.50 300 VDC
0.25
Amps
10vA
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
0.25
Amps
STATIC
CONTACT
RESISTANCE
(50mV, 100mA)
150 mOhms
initial
|
www.nascominc.com
DWG No. 140113-02 Rev. 1
N72
1
.065
1.65
1.300
33.02
11.500
292.10
2X
.125
3.18
2X
.175
4.45
FRONT VIEW
END VIEW
1.300
33.02
.065
1.65
2X
.125
3.18
2X
.175
4.45
FRONT VIEW
END VIEW
WIRING SCHEMATIC
N72
3/8” RECESSED STANDARD DOOR CONTACT SET WITH MOUUNTING FLANGE
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
COMMON
(BROWN)
SPDT, SINGLE POLE DOUBLE THROW
DIMENSIONS - IN [mm]
SWITCH
CONTACT
OPEN LOOP,
NORMALLY CLOSED CONTACT
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
DUAL CLOSED LOOP,
NORMALLY OPEN CONTACTS
COMMON
(BROWN)
COMMON
(BROWN)
DPDT, DOUBLE POLE DOUBLE THROW
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
NC, OPEN LOOP (WHITE)
NC, OPEN LOOP (WHITE)
SWITCH
INSTALLATION INSTRUCTIONS
• Mark location for the switch on the door frame and mark the location for the magnet on the top edge of the door.
• Make sure switch and magnet hole locations are aligned.
• Using a square, transfer the marks on to the top edge of the door and the opposing door frame.
• Using a tape measure or graduations on the square, locate the center of the door edge and place an intersecting line with
the rst mark. Drill a 3/8” hole at the location where the marks intersect.
• Repeat the above step to locate the hole position for the switch in the door frame. Drill a 3/8” hole in the door frame.
• Press the magnet into the hole you drilled in the door until ush with top edge of door.
• Connect the switch leads to the alarm system. Caution! Hold wire leads, not the switch housing while cutting and
stripping to prevent damage to switch.
• Insert wire leads into hole followed by the switch and press the switch into the hole until the head is ush with the door
frame.
• Secure switch and magnet housings with #4X1/2 athead screws.
• Test switch for correct operation and make sure gap performance is acceptable.
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
MAGNET
|
www.nascominc.com
DWG No. 140113-02 Rev. 1
2
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