Nascom N1178TG-SWHS, N1178TB-STHS, N1178TW-SWHS, N1178TW-SWFB, N1178TW-SW Specsheet
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N1178T
1” RECESSED WIDE GAP STUBBY DOOR CONTACT SET
DESCRIPTION
Nascom’s N1178T Series is a 1” recessed wide gap stubby door contact designed
for residential, commercial and industrial steel and wood door applications.
The N1178T is the installer’s choice of contact conguration because the contact
set is designed to cut installation times and helps to prevent false alarms caused
by shifting or warping doors.
The N1178T Series is designed for installation in every type of hinged door.
FEATURES
• SNAP FIT ON STEEL - NO GLUE REQUIRED • ENCAPSULATED HERMETICALLY SEALED CONTACTS
• SCREW TERMINALS • POLYPROPYLENE 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:
N1178TB/ST
N1178TG/ST
N1178TT/ST
N1178TW/ST
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N1178TB/STFB
N1178TG/STFB
N1178TT/STFB
N1178TW/STFB
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1178TB/STHS
N1178TG/STHS
N1178TT/STHS
N1178TW/STHS
BROWN
GREY
TAN
WHITE
BROWN
GREY
TAN
WHITE
BROWN
GREY
TAN
WHITE
0.875 to 1.50 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
0.75 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
0.1875 to
0.5000
300 VDC
0.25
Amps
10vA
0.25
Amps
STATIC
CONTACT
RESISTANCE
(50mV, 100mA)
150 mOhms
initial
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 131123-10 Rev. 1
1
30.23
1.190
9.53
.375
29.46
1.160
12.45
.490
29.46
1.160
TOP
VIEW
SIDE
VIEW
17.15
.675
9.53
.375
29.46
1.160
24.38
.960
12.45
.490
TOP
VIEW
SIDE
VIEW
WIRING SCHEMATIC
N1178CT
1” RECESSED WIDE GAP STUBBY DOOR CONTACT SET
CLOSED LOOP,
NORMALLY OPEN CONTACT
DIMENSIONS - IN [mm]
SWITCH
SWITCH
CONTACT
OPEN LOOP,
NORMALLY CLOSED CONTACT
SWITCH
CONTACT
MAGNET
INSTALLATION INSTRUCTIONS
• Mark location for the switch on the door frame and mark the location for the magnet on the door.
• Make sure switch and magnet hole locations are aligned.
• Drill holes for the switch and magnet using a 1” Hole Saw for steel doors or a Forstner bit for wood doors.
• Press the magnet into the hole in the door until seated rmly against the head. Silicone may be used to secure the
magnet in wood doors.
• Connect the switch terminals to the alarm circuit conductors. 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.
• Test switch for correct operation and make sure gap performance is acceptable.
DWG No. 131123-10 Rev. 1
2
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
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