Nascom N11752550W-STFB, N11752550W-ST2CR, N11752550W-ST, N11752550T-STFB, N11752550T-ST2CR Specsheet
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N1175 2550
3/8” RECESSED MINI CONTACT WITH CYLINDER NdFeB MAGNET
DESCRIPTION
Nascom’s N1175 2550 Series, mini 3/8” recessed contact with cylinder
neodymium magnet, protects all nonferrous (e.g. wood, aluminum and vinyl)
doors and windows, in both residential and commercial settings.
The N1175 2550 is the installer’s choice of contact conguration where drill
depth is critical and excellent air and side-to-side gap are required to prevent
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
PART
NUMBER
CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1175B/ST
N1175G/ST
N1175W/ST
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N1175B/STHS
N1175G/STHS
N1175W/STHS
COLOR
BROWN
GREY
WHIITE
BROWN
GREY
WHIITE
OPERATE
GAP
(in INCHES)
0.625 to 1.00 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
0.1875 to 0.50 300 VDC
CONTACT RATING
(Max DC/Peak AC Resistive)
0.20
Amps
WIRING SCHEMATIC
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
3vA 0.5 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. 131119-01 Rev. 1
1
.680
17.27
.030
0.76
.465
11.81
.355
9.02
FRONT
VIEW
TOP
VIEW
k
p
DIMENSIONS - IN [mm]
N1175 2550
3/8” RECESSED MINI CONTACT WITH CYLINDER NdFeB 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.
• 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. 131119-01 Rev. 1
2
PART NUMBERING SYSTEM
N1175 2550
3/8” RECESSED MINI CONTACT WITH CYLINDER NdFeB MAGNET
COLOR:
• W = WHITE
• B = BROWN
• G = GREY
CIRCUIT (0, 2 or 3 digits):
• Blank = CLOSED LOOP
• HS = HIGH SECURITY
BUILT-IN END OF LINE RESISTOR VALUE
(zero to 4 digits):
• Blank = No built-in end of line
resistor
• All other resistor values are
specied (e.g. 1K = 1,000 Ω)
N11752550
END OF LINE RESISTOR (zero to 4 digits):
• Blank = Resistor in series with the switch
• P = Resistor in parallel with the switch
• SP = Resistor 1 in series to the switch; resistor
2 in parallel to the switch
X ST XX/ XXXX XX XXX X
XX
LEAD WIRE COLOR (zero to 2 digits):
• Blank = Switch Color except:
» resistor contacts standard is red wire
WIRE TYPE (0 or 1 digit):
• Blank = UL1061 | 22AWG | 7/30
• Z = Zipcord ZIP NEC (UL) TYPE CL2
LEAD LENGTH (zero, 3 or 4 digits):
• Blank - 12 Inches
• All other lengths specied in Inches with 3
digits (e.g. 036 = 36 Inches)
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 131119-01 Rev. 1
3
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