Nascom N175W-SWHS, N175W-SWFB, N175W-SW2CR, N175W-SW, N175W-STHS Specsheet
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3/8” RECESSED STUBBY DOOR CONTACT SET
DESCRIPTION
Nascom’s N175 Series is a stubby 3/8” recessed contact, protects all nonferrous (e.g. wood, aluminum and vinyl) doors and windows, in both residential
and commercial applications.
The N175 is the installer’s choice of contact conguration where drill depth is
a consideration and excellent air and side-to-side gaps are required to stop
false alarms, caused by shifting or warping doors and windows.
FEATURES
• PRESS FIT - NO GLUE REQUIRED • ENCAPSULATED HERMETICALLY SEALED CONTACTS
• 12” 22AWG WIRE LEADS • 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:
N175B/ST
N175G/ST
N175W/ST
BROWN
GREY
WHIITE
0.625 to 1.00 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N175B/ST2CR
N175G/ST2CR
N175T/ST2CR
N175W/ST2CR
BROWN
GREY
TAN
WHIITE
0.625 to 1.00 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N175B/STFB
N175G/STFB
N175T/STFB
N175W/STFB
BROWN
GREY
TAN
WHIITE
0.50 to 0.875 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
SINGLE POLE, DOUBLE THROW SWITCH/MAGNET SET:
N175B/STFB
N175G/STFB
N175T/STFB
N175W/STFB
BROWN
GREY
TAN
WHIITE
0.50 to 0.875 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N175B/STHS
N175G/STHS
N175T/STHS
N175W/STHS
BROWN
GREY
TAN
WHIITE
0.1875 to 0.50 300 VDC
0.25
Amps
10vA
0.25
Amps
STATIC
CONTACT
RESISTANCE
(50mV, 100mA)
150 mOhms
initial
N175
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 120524-02 Rev. 1
1
.030
0.76
.750
19.05
.455
11.56
.355
9.02
FRONT
VIEW
TOP
VIEW
.030
0.76
.750
19.05
.800
20.32
.455
11.56
.355
9.02
.250
6.35
FRONT
VIEW
TOP
VIEW
WIRING SCHEMATIC
N175
3/8” RECESSED STUBBY DOOR CONTACT SET
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
COMMON
(BROWN)
DIMENSIONS - IN [mm]
SWITCH
CONTACT
OPEN LOOP,
NORMALLY CLOSED CONTACT
SPDT, SINGLE POLE DOUBLE THROW
DUAL CLOSED LOOP,
NORMALLY OPEN CONTACTS
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
SWITCH
MAGNET
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
• 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
|
www.nascominc.com
DWG No. 120524-02 Rev. 1
2
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