Nascom N1178TSHK-STDD, N1178GSHK-STHS, N1178WSHK-STSD, N1178WSHK-STHS, N1178WSHK-STFB Specsheet
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N1178 SHK
1” RECESSED STUBBY DOOR CONTACT WITH SHARK MAGNET
DESCRIPTION
Nascom’s N1178 SHK Series is a 1” recessed stubby door contact couple
with the patented SHARKTM magnet. The set is designed for residential, commercial and industrial steel and wood door applications.
The N1178 SHK is the installer’s choice of contact conguration because the
contact set is designed to cut installation times .. just a pinch of the springs installs the SHARKTM magnet permanently and the powerful rare earth magnet
helps to prevent false alarms caused by shifting or warping doors.
The N1178 SHK 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
• TIME SAVING INSTALLATION • NO SILICONE REQUIRED FOR MAGNET INSTALL
• 12” 22AWG WIRE LEADS • POLYPROPYLENE SWITCH HOUSING
• 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:
N1178BSHK/ST
N1178GSHK/ST
N1178TSHK/ST
N1178WSHK/ST
BROWN
GREY
TAN
WHITE
0.75 to 1.25 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1178BSHK/ST2CR
N1178GSHK/ST2CR
N1178TSHK/ST2CR
N1178WSHK/ST2CR
BROWN
GREY
TAN
WHITE
0.75 to 1.25 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N1178BSHK/STFB
N1178GSHK/STFB
N1178TSHK/STFB
N1178WSHK/STFB
BROWN
GREY
TAN
WHITE
0.75 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
SINGLE POLE DOUBLE THROW, SWITCH/MAGNET SET:
N1178BSHK/STSD
N1178GSHK/STSD
N1178TSHK/STSD
N1178WSHK/STSD
BROWN
GREY
TAN
WHITE
0.75 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
DOUBLE POLE DOUBLE THROW, SWITCH/MAGNET SET:
N1178B/STDD
N1178G/STDD
N1178T/STDD
N1178W/STDD
BROWN
GREY
TAN
WHITE
0.75 to 1.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1178BSHK/STHS
N1178GSHK/STHS
N1178TSHK/STHS
N1178WSHK/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. 131123-09 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
.375
9.53
1.600
40.64
1.507
38.27
1.119
28.42
WIRING SCHEMATIC
N1178 SHK
1” RECESSED STUBBY DOOR CONTACT WITH SHARK MAGNET
” RECESSED STUBBY DOOR CONTACT WITH SHARK 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 location for the switch on the door frame.
• Drill a hole for the switch using a 1” Hole Saw for steel doors or a Forstner bit for wood doors.
• Connect the switch leads to the alarm circuit conductors. Hold the wire leads (not the switch housing) when cutting and
stripping to prevent damage to the switch.
• Feed the switch conductors into the hole and insert the switch housing pressing rmly until seated. Silicone may be used
to secure the switch in wood doors.
• Test switch for correct operation and make sure gap performance is acceptable.
• Place a mark on the top edge of the door aligned with the center of the switch.
• Press the springs inward on the sides of magnet.
• Insert the magnet in u-channel in the top of the door centered with the alignment mark.
• Release the springs to secure the magnet and complete the installation.
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 131123-09 Rev. 1
2
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