Nascom N1178CTG-SW, N1178CTB-STHS, N1178CTW-SWHS, N1178CTW-SWFB, N1178CTW-SW Specsheet
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N1178CT
3/4” RECESSED WIDE GAP STUBBY DOOR CONTACT SET
DESCRIPTION
Nascom’s N1178C Series is a 3/4” recessed wide gap stubby door contact designed for residential, commercial and industrial steel and wood door applications.
The N1178C 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 Series is designed for installation in every type of hinged door.
FEATURES
• SNAP FIT ON STEEL - NO GLUE REQUIRED |
• ENCAPSULATED HERMETICALLY SEALED CONTACTS |
• SCREW TERMINALS |
• POLYPROPYLENE HOUSINGS |
• WIDE GAP - 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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STATIC |
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(Max DC/Peak AC Resistive) |
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PART |
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CONTACT |
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COLOR |
GAP |
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NUMBER |
SWITCHING |
CARRY |
RESISTANCE |
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(in inches) |
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V |
I |
V |
I |
(50mV, 100mA) |
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CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N1178CTB/ST |
BROWN |
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N1178CTG/ST |
GREY |
0.875 to 1.50 |
200 VDC |
0.5 Amps |
10vA |
1.5 Amps |
150 mOhms |
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N1178CTT/ST |
TAN |
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N1178CTW/ST |
WHITE |
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OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET: |
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N1178CTB/STFB |
BROWN |
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N1178CTG/STFB |
GREY |
0.75 to 1.25 |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
150 mOhms |
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N1178CTT/STFB |
TAN |
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N1178CTW/STFB |
WHITE |
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HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N1178CTB/STHS |
BROWN |
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N1178CTG/STHS |
GREY |
0.1875 to |
300 VDC |
0.25 |
10vA |
0.25 |
150 mOhms |
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N1178CTT/STHS |
TAN |
0.5000 |
Amps |
Amps |
initial |
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N1178CTW/STHS |
WHITE |
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DWG No. 120119-02 Rev. 2
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
1 |
N1178CT
3/4” RECESSED WIDE GAP STUBBY DOOR CONTACT SET
WIRING SCHEMATIC
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SWITCH |
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SWITCH |
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CONTACT |
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CONTACT |
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CLOSED LOOP, |
OPEN LOOP, |
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NORMALLY OPEN CONTACT |
NORMALLY CLOSED CONTACT |
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DIMENSIONS - IN [mm] |
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.910 |
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.910 |
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23.11 |
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23.11 |
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TOP |
.730 |
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VIEW |
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.730 |
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18.54 |
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.480 |
TOP |
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18.54 |
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VIEW |
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12.19 |
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.480 |
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12.19 |
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FRONT |
1.190 |
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VIEW |
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.660 |
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.805 30.23 |
FRONT |
.435 |
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.435 |
16.76 |
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20.45 |
VIEW |
11.05 |
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11.05 |
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.060 |
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.060 |
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1.52 |
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1.52 |
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SWITCH |
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MAGNET |
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INSTALLATION INSTRUCTIONS
•Mark location for the switch on the door frame and mark the location for the magnet on the door.
•Make sure switch and magnet hole locations are aligned.
•Drill holes for the switch and magnet using a 3/4” Hole Saw for steel doors or a Forstner bit for wood doors.
•Press the magnet into the hole in the door until seated firmly against the head. Silicone may be used to secure the magnet in wood doors.
•Connect the switch terminals to the alarm circuit conductors. 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 switch for correct operation and make sure gap performance is acceptable.
DWG No. 120119-02 Rev. 2
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
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