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 applications. The 3/8” press fit mini magnet provides installation flexibility where gap is not an issue.
The N1178C 1175 is the installer’s choice of contact configuration 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 |
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OPERATE |
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CONTACT RATING |
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PART |
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(Max DC/Peak AC Resistive) |
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COLOR |
GAP |
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NUMBER |
SWITCHING |
CARRY |
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(in inches) |
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V |
I |
V |
I |
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CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N1178C1175B/ST |
BROWN |
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N1178C1175G/ST |
GREY |
0.50 to 0.875 |
200 VDC |
0.5 Amps |
10vA |
1.5 Amps |
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N1178C1175T/ST |
TAN |
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N1178C1175W/ST |
WHITE |
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DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N1178C1175B/ST2CR |
BROWN |
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N1178C1175G/ST2CR |
GREY |
0.50 to 0.875 |
200 VDC |
0.5 Amps |
10vA |
1.5 Amps |
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N1178C1175T/ST2CR |
TAN |
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N1178C1175W/ST2CR |
WHITE |
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OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET: |
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N1178C1175B/STFB |
BROWN |
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N1178C1175G/STFB |
GREY |
0.375 to |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N1178C1175T/STFB |
TAN |
0.875 |
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N1178C1175W/STFB |
WHITE |
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SINGLE POLE DOUBLE THROW, SWITCH/MAGNET SET: |
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N1178C1175B/STSD |
BROWN |
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N1178C1175G/STSD |
GREY |
0.375 to |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N1178C1175T/STSD |
TAN |
0.875 |
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N1178C1175W/STSD |
WHITE |
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DOUBLE POLE DOUBLE THROW, SWITCH/MAGNET SET: |
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N1178C1175B/STDD |
BROWN |
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N1178C1175G/STDD |
GREY |
0.375 to |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N1178C1175T/STDD |
TAN |
0.875 |
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N1178C1175W/STDD |
WHITE |
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HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N1178C1175B/STHS |
BROWN |
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N1178C1175G/STHS |
GREY |
0.1875 to |
300 VDC |
0.25 |
10vA |
0.25 |
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N1178C1175T/STHS |
TAN |
0.5000 |
Amps |
Amps |
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N1178C1175W/STHS |
WHITE |
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STATIC
CONTACT
RESISTANCE (50mV, 100mA)
150 mOhms
150 mOhms
150 mOhms
150 mOhms
150 mOhms
150 mOhms initial
DWG No. 140204-03 Rev. 1
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
1 |
N1178C 1175
3/4” RECESSED STUBBY DOOR CONTACT WITH 3/8” PRESS FIT MINI MAGNET
WIRING SCHEMATIC
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SWITCH |
SWITCH |
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CONTACT |
CONTACT |
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CLOSED LOOP, |
OPEN LOOP, |
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DUAL CLOSED LOOP, |
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NORMALLY OPEN CONTACT |
NORMALLY CLOSED CONTACT |
NORMALLY OPEN CONTACTS |
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NC, OPEN LOOP (WHITE) |
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COMMON |
NO, CLOSED LOOP (RED) |
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NC, OPEN LOOP (WHITE) |
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(BROWN) |
NC, OPEN LOOP (WHITE) |
COMMON |
NO, CLOSED LOOP (RED) |
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COMMON |
NC, OPEN LOOP (RED) |
(BROWN) |
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(BROWN) |
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DPDT, DOUBLE POLE DOUBLE THROW |
SPDT, SINGLE POLE DOUBLE THROW |
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DIMENSIONS - IN [mm] |
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.910 |
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.455 |
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23.11 |
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11.56 |
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.730 |
TOP |
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VIEW |
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TOP |
18.54 |
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.355 |
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VIEW |
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.480 |
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9.02 |
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12.19 |
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FRONT |
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FRONT |
.540 |
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.800 |
VIEW |
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VIEW |
13.72 |
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20.32 |
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.060 |
.375 |
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.030 |
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1.52 |
9.53 |
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0.76 |
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SWITCH |
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MAGNET |
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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 first 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.
•Apply adhesive or RTV to the end of the magnet and press the magnet into the hole you drilled in the door until flush 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 flush with the door frame.
•Test system for correct operation.
DWG No. 140204-03 Rev. 1
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
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