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 conguration where extra wide
air and side-to-side gap are required to prevent false alarms caused by shift-
ing or warping doors and windows. The 400T is offer extreme exibility for
installation with four possible wire directions, including the bottom.
FEATURES
• ENCAPSULATED HERMETICALLY SEALED CONTACTS • ABS HOUSING
• EXTRA WIDE GAP - N35 NdFeB RARE EARTH MAGNET • SPACER FOR STEEL DOOR INSTALLS
• SCREW TERMINALS • LISTED TO UL634 STANDARD
ORDERING INFORMATION
N400T
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:
N400TB/ST
N400TG/ST
N400TT/ST
N400TW/ST
BROWN
GREY
TAN
WHITE
1.50 to 2.50 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
DUAL CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N400TB/ST2CR
N400TG/ST2CR
N400TT/ST2CR
N400TW/ST2CR
BROWN
GREY
TAN
WHITE
1.50 to 2.50 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N400TB/STFB
N400TG/STFB
N400TT/STFB
N400TW/STFB
BROWN
GREY
TAN
WHITE
1.25 to 2.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
SINGLE POLE, DOUBLE THROW SWITCH/MAGNET SET:
N400TB/STSD
N400TG/STSD
N400TT/STSD
N400TW/STSD
BROWN
GREY
TAN
WHITE
1.25 to 2.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
DOUBLE POLE, DOUBLE THROW SWITCH/MAGNET SET:
N400TB/STDD
N400TG/STDD
N400TT/STDD
N400TW/STDD
BROWN
GREY
TAN
WHITE
1.25 to 2.25 30 VDC 0.2 Amps 3vA 0.5 Amps 150 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N400TB/STHS
N400TG/STHS
N400TT/STHS
N400TW/STHS
BROWN
GREY
TAN
WHITE
0.1875 to .050 300 VDC
0.25
Amps
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. 130212-02 Rev. 1
1
.750
19.05
4.250
107.95
.750
19.05
2X
.150
3.81
3.500
88.90
.750
19.05
.750
19.05
END
VIEW
TOP
VIEW
FRONT
VIEW
BOTTOM
VIEW
END
VIEW
4.250
107.95
.750
19.05
.750
19.05
2X
.150
3.81
3.500
88.90
.750
19.05
BOTTOM
VIEW
FRONT
VIEW
TOP
VIEW
4.250
107.95
.750
19.05
3.500
88.90
2X
.150
3.81
.125
3.18
WIRING SCHEMATIC
N400T
INDUSTRIAL BAR SCREW TERMINAL SWITCH SET
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
COMMON
(BROWN)
SPDT, SINGLE POLE DOUBLE THROW
SPDT, SINGLE POLE DOUBLE THROW
DIMENSIONS - IN [mm]
SWITCH
CONTACT
OPEN LOOP,
NORMALLY CLOSED CONTACT
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
DUAL CLOSED LOOP,
NORMALLY OPEN CONTACTS
COMMON
(BROWN)
COMMON
(BROWN)
DPDT, DOUBLE POLE DOUBLE THROW
NC, OPEN LOOP (WHITE)
NO, CLOSED LOOP (RED)
NC, OPEN LOOP (WHITE)
NC, OPEN LOOP (WHITE)
SWITCH
MAGNET
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.
|
P: 800.843.5530
|
F: 800.727.4041
|
Royne Industries LLC, dba NASCOM
SPACER
DWG No. 130212-02 Rev. 1
www.nascominc.com
2