Nascom N285TWGG-STHS, N285TWGB-SWFB, N285TWGB-M, N285TWGW-SWSD, N285TWGW-SWHS Specsheet
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N285TWG
SURFACE MOUNT WIDE GAP SCREW TERMINAL SWITCH SET
DESCRIPTION
Nascom’s N285TWG surface mount screw terminal contacts protects all
doors and windows, including steel doors, in commercial settings. The low
prole design with beveled covers make for an attractive installation.
The N285TWG 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
shifting or warping doors and windows.
FEATURES
• ENCAPSULATED HERMETICALLY SEALED CONTACTS • ABS HOUSING
• WIDE GAP - N35 NdFeB RARE EARTH MAGNET • SPACER FOR STEEL DOOR INSTALLS
• SWITCH AND MAGNET BEVELED COVERS • LISTED TO UL634 STANDARD
ORDERING INFORMATION
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:
N285TWGGSW/ST
N285TWGB/ST
N285TWGG/ST
N285TWGGT/ST
N285TWGW/ST
SNOW WHITE
BROWN
GREY
TAN
WHITE
1.00 to 2.00 200 VDC 0.5 Amps 10vA 1.5 Amps 150 mOhms
OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:
N285TWGSW/STFB
N285TWGB/STFB
N285TWGG/STFB
N285TWGT/STFB
N285TWGW/STFB
SNOW WHITE
BROWN
GREY
TAN
WHITE
0.75 to 1.50
30 VDC 0.2 Amps 3vA 0.5 Amps 100 mOhms
SINGLE POLE DOUBLE THROW, SWITCH/MAGNET SET:
N285TWGSW/STSD
N285TWGB/STSD
N285TWGG/STSD
N285TWGT/STSD
N285TWGW/STSD
SNOW WHITE
BROWN
GREY
TAN
WHITE
0.75 to 1.50
30 VDC 0.2 Amps 3vA 0.5 Amps 100 mOhms
HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:
N285TWGSW/STHS
N285TWGB/STHS
N285TWGG/STHS
N285TWGT/STHS
N285TWGW/STHS
SNOW WHITE
BROWN
GREY
TAN
WHITE
0.1875 to
0.5000
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. 131125-23 Rev. 1
1
.575
14.61
2.600
66.04
.600
15.24
FRONT
VIEW
TOP
VIEW
RIGHT
VIEW
.575
14.61
2.600
66.04
.600
15.24
FRONT
VIEW
TOP
VIEW
RIGHT
VIEW
WIRING SCHEMATIC
2.090
53.09
2.600
66.04
.600
15.24
.125
3.18
N285TWG
SURFACE MOUNT WIDE GAP SCREW TERMINAL SWITCH SET
SWITCH
CONTACT
CLOSED LOOP,
NORMALLY OPEN CONTACT
DIMENSIONS - IN [mm]
SWITCH
SWITCH
CONTACT
OPEN LOOP,
NORMALLY CLOSED CONTACT
MAGNET
NC, OPEN LOOP (WHITE)
COMMON
(BROWN)
SPDT, SINGLE POLE DOUBLE THROW
NO, CLOSED LOOP (RED)
SPACER
INSTALLATION INSTRUCTIONS
Note: High Security model – Dots on switch and magnet must be aligned for correct operation.
• Remove the snap-on covers from the switch and magnet.
• 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.
• 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.
• Connect the alarm circuit leads to the terminals on the switch and test the system for correct operation.
• Snap the covers on the switch and magnet.
Royne Industries LLC, dba NASCOM
|
P: 800.843.5530
|
F: 800.727.4041
|
www.nascominc.com
DWG No. 131125-23 Rev. 1
2
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