Nascom N400TT-STFB, N400TW-SW, N400TW-SWHS, N400TW-SWFB, N400TW-STHS Specsheet
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N400T
INDUSTRIAL BAR SCREW TERMINAL SWITCH SET
DESCRIPTION
Nascom’s N400T 4 inch industrial surface mount screw terminal contacts protects steel doors in commercial settings.
The N400T is the installer’s choice of contact configuration where extra wide air and side-to-side gap are required to prevent false alarms caused by shifting or warping doors and windows. The 400T is offer extreme flexibility for installation with four possible wire directions, including the bottom.
FEATURES |
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• ENCAPSULATED HERMETICALLY SEALED CONTACTS |
• ABS HOUSING |
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• EXTRA WIDE GAP - N35 NdFeB RARE EARTH MAGNET |
• SPACER FOR STEEL DOOR INSTALLS |
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• SCREW TERMINALS |
• LISTED TO UL634 STANDARD |
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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 |
SWITCHING |
CARRY |
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NUMBER |
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(in inches) |
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V |
I |
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I |
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CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N400TB/ST |
BROWN |
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N400TG/ST |
GREY |
1.50 to 2.50 |
200 VDC |
0.5 Amps |
10vA |
1.5 Amps |
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N400TT/ST |
TAN |
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N400TW/ST |
WHITE |
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DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N400TB/ST2CR |
BROWN |
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N400TG/ST2CR |
GREY |
1.50 to 2.50 |
200 VDC |
0.5 Amps |
10vA |
1.5 Amps |
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N400TT/ST2CR |
TAN |
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N400TW/ST2CR |
WHITE |
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OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET: |
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N400TB/STFB |
BROWN |
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N400TG/STFB |
GREY |
1.25 to 2.25 |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N400TT/STFB |
TAN |
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N400TW/STFB |
WHITE |
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SINGLE POLE, DOUBLE THROW SWITCH/MAGNET SET: |
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N400TB/STSD |
BROWN |
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N400TG/STSD |
GREY |
1.25 to 2.25 |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N400TT/STSD |
TAN |
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N400TW/STSD |
WHITE |
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DOUBLE POLE, DOUBLE THROW SWITCH/MAGNET SET: |
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N400TB/STDD |
BROWN |
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N400TG/STDD |
GREY |
1.25 to 2.25 |
30 VDC |
0.2 Amps |
3vA |
0.5 Amps |
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N400TT/STDD |
TAN |
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N400TW/STDD |
WHITE |
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HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET: |
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N400TB/STHS |
BROWN |
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N400TG/STHS |
GREY |
0.1875 to .050 |
300 VDC |
0.25 |
10vA |
0.25 |
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N400TT/STHS |
TAN |
Amps |
Amps |
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N400TW/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. 130212-02 Rev. 1
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
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N400T
INDUSTRIAL BAR SCREW TERMINAL SWITCH 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, |
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OPEN LOOP, |
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NORMALLY OPEN CONTACT |
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NORMALLY CLOSED CONTACT |
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NC, OPEN LOOP (WHITE) |
COMMON |
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COMMON |
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NO, CLOSED LOOP (RED) |
(BROWN) |
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(BROWN) |
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COMMON |
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(BROWN)
SPDT, SINGLE POLE DOUBLE THROW SPDT, SINGLE POLE DOUBLE THROW
DUAL CLOSED LOOP, NORMALLY OPEN CONTACTS
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
NC, OPEN LOOP (WHITE)
NC, OPEN LOOP (WHITE)
DIMENSIONS - IN [mm]
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.750 |
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.750 |
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19.05 |
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BOTTOM |
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BOTTOM |
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19.05 |
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VIEW |
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VIEW |
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2X |
.150 |
.125 |
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.750 |
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.750 |
END |
3.81 |
3.18 |
FRONT |
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19.05 |
END |
FRONT |
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19.05 |
VIEW |
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VIEW |
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VIEW |
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VIEW |
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3.500 |
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4.250 |
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.750 |
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4.250 |
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.750 |
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2X |
.150 |
88.90 |
.750 |
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107.95 |
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.750 |
19.05 |
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107.95 |
19.05 |
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3.81 |
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4.250 |
19.05 |
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TOP |
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19.05 |
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TOP |
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107.95 |
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VIEW |
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VIEW |
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3.500 |
2X |
.150 |
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3.500 |
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88.90 |
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88.90 |
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3.81 |
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SWITCH |
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MAGNET |
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SPACER |
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INSTALLATION INSTRUCTIONS
Note: High Security model – Dots on switch and magnet must be aligned for correct operation.
•Position the switch on the door/window frame in the desired location as close to the movable part of the door /window as possible.
•Mark the switch mounting screw locations and drill the mounting screw holes using a drill adequately sized for #6 self-tapping screws.
•Connect the alarm circuit leads to the terminals on the switch and test the system for correct operation.
•Install screws and tighten to mount the switch on the door/window frame.
•Position the magnet on the movable part of the door/window, align the magnet with the switch as close as possible. For steel door or window applications, use the enclosed spacer under the magnet.
•Mark the magnet mounting screw locations and drill the mounting screw holes using a drill adequately sized for #6 Self-tapping screws.
•Install screws and tighten to mount the magnet on the door/window.
DWG No. 130212-02 Rev. 1
Royne Industries LLC, dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com |
2 |
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