Nascom N1175UM123787W-ST, N1175UM123787T-ST, N1175UM123787G-ST, N1175UM123787B-ST Specsheet
N1175 UM 123787
3/8” RECESSED ULTRA MINI CONTACT WITH NdFeB BAR MAGNET
DESCRIPTION
Nascom’s N1175 UM 123787 Series, ultra-mini 3/8” recessed contact with
NdFeB bar manget, protects all nonferrous (e.g. wood, aluminum and vinyl)
doors and windows, in both residential and commercial settings.
The N1175 UM 123787, our shortest 3/8” press t switch, is the installer’s
choice of contact conguration where drill depth is critical and excellent air
and side-to-side gaps are required to prevent false alarms caused by shifting
or warping doors and windows.
FEATURES
• PRESS FIT SWITCH - 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:
N1175UM123787B/ST
N1175UM123787G/ST
N1175UM123787W/ST
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1175UM123787B/STHS
N1175UM123787G/STHS
N1175UM123787W/STHS
BROWN
GREY
WHIITE
BROWN
GREY
WHIITE
0.40 to 0.75 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
0.1875 to 0.50 300 VDC
0.25
Amps
WIRING SCHEMATIC - IN [mm]
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
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. 131119-08- Rev. 1
1
.540
13.72
.030
0.76
.355
9.02
.455
11.56
TOP
VIEW
FRONT
VIEW
.875
22.23
.125
3.18
.375
9.53
TOP VIEW
FRONT VIEW
DIMENSIONS - IN [mm]
N1175 UM 123787
3/8” RECESSED ULTRA MINI CONTACT WITH NdFeB BAR MAGNET
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.
• 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. Remove the release liner for the VHB tape on the back of the magnet and position the end of the magnet
at the intersecting line.
• 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.
• Align the end fo the magnet to the switch body.
• 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. 131119-08 Rev. 1
2
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