Nascom N1178C1175B-STDD, N1178C1175W-STSD, N1178C1175W-STHS, N1178C1175W-STFB, N1178C1175W-STDD Specsheet
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N1178C 1175
3/4” RECESSED STUBBY DOOR CONTACT WITH 3/8” PRESS FIT MINI MAGNET
DESCRIPTION
Nascom’s N1178C 1175 Series is a 3/4” recessed stubby door contact designed for residential, commercial and industrial steel and wood door applica-
tions. The 3/8” press t mini magnet provides installation exibility where gap
is not an issue.
The N1178C 1175 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 N1178C 1175 Series is designed for installation in every type of hinged
door including wood doors.
FEATURES
• SNAP FIT ON STEEL - NO GLUE REQUIRED • ENCAPSULATED HERMETICALLY SEALED CONTACTS
• 12” 22AWG WIRE LEADS • POLYPROPYLENE HOUSINGS
• 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:
N1178C1175B/ST
N1178C1175G/ST
N1178C1175T/ST
N1178C1175W/ST
BROWN
GREY
TAN
WHITE
0.50 to 0.875 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1178C1175B/ST2CR
N1178C1175G/ST2CR
N1178C1175T/ST2CR
N1178C1175W/ST2CR
BROWN
GREY
TAN
WHITE
0.50 to 0.875 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N1178C1175B/STFB
N1178C1175G/STFB
N1178C1175T/STFB
N1178C1175W/STFB
BROWN
GREY
TAN
WHITE
0.375 to
0.875
30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
SINGLE POLE DOUBLE THROW, SWITCH/MAGNET SET:
N1178C1175B/STSD
N1178C1175G/STSD
N1178C1175T/STSD
N1178C1175W/STSD
BROWN
GREY
TAN
WHITE
0.375 to
0.875
30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
DOUBLE POLE DOUBLE THROW, SWITCH/MAGNET SET:
N1178C1175B/STDD
N1178C1175G/STDD
N1178C1175T/STDD
N1178C1175W/STDD
BROWN
GREY
TAN
WHITE
0.375 to
0.875
30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1178C1175B/STHS
N1178C1175G/STHS
N1178C1175T/STHS
N1178C1175W/STHS
BROWN
GREY
TAN
WHITE
0.1875 to
0.5000
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
DWG No. 140204-03 Rev. 1
www.nascominc.com
1
.800
20.32
.060
1.52
.375
9.53
.480
12.19
.730
18.54
.910
23.11
FRONT
VIEW
TOP
VIEW
.540
13.72
.030
0.76
.455
11.56
.355
9.02
TOP
VIEW
FRONT
VIEW
WIRING SCHEMATIC
N1178C 1175
3/4” RECESSED STUBBY DOOR CONTACT WITH 3/8” PRESS FIT MINI MAGNET
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
COMMON
(BROWN)
COMMON
(BROWN)
OPEN LOOP,
NORMALLY CLOSED CONTACT
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
NC, OPEN LOOP (WHITE)
NC, OPEN LOOP (RED)
SWITCH
CONTACT
COMMON
(BROWN)
DUAL CLOSED LOOP,
NORMALLY OPEN CONTACTS
DPDT, DOUBLE POLE DOUBLE THROW SPDT, SINGLE POLE DOUBLE THROW
DIMENSIONS - IN [mm]
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
SWITCH
MAGNET
INSTALLATION INSTRUCTIONS
• Mark the desired location for the switch and magnet on the top edge of the door and door frame making sure your marks
are in alignment.
• 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 3/4” hole in the door frame.
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 140204-03 Rev. 1
• Apply adhesive or RTV to the end of the magnet and 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 strip-
ping 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.
• Test system for correct operation.
Royne Industries LLC, dba NASCOM
2
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