Nascom N205A-SWSD, N205A-SWHS, N205A-SWFB, N205A-SWDD, N205A-SW2CR Specsheet

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Nascom N205A-SWSD, N205A-SWHS, N205A-SWFB, N205A-SWDD, N205A-SW2CR Specsheet

N205A

OVERHEAD DOOR SWITCH WITH AN L SHAPE MAGNET

DESCRIPTION

Nascom’s N205A is a wide gap standard size floor mount for commercial and industrial overhead door applications with an L shape magnet.

The N205A combines the installers’ choice of contact configuration for maximum gap performance with an L shape magnet.

The closed loop versions of the N205A prevent false alarms caused by the side to side shifting of overhead doors with our unique NO DEAD SPOT™ technology.

FEATURES

NO DEAD SPOT™ TECHNOLOGY

WIDE GAP - AlNiCo 5 MAGNET

24” ARMORED CABLE LEAD PROTECTION

36” 22AWG WIRE LEADS

INDUSTRY STANDARD SWITCH MOUNTING HOLES

EXTRUDED ANODIZED (TYPE II) ALUMINUM

LISTED TO UL634 STANDARD

ORDERING INFORMATION

 

 

 

 

CONTACT RATING

 

STATIC

 

 

 

(Max DC/Peak AC Resistive)

PART

COLOR

OPERATE GAP

CONTACT

SWITCHING

CARRY

NUMBER

(in INCHES)

RESISTANCE

 

 

 

 

V

I

V

I

(50mV, 100mA)

 

 

 

 

CLOSED LOOP, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:

 

 

 

N205A/ST

SILVER

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:

 

 

 

N205A/ST2CR

SILVER

1.50 to 2.50

200 VDC

0.5 Amps

10vA

0.5 Amps

150 mOhms

OPEN LOOP, NORMALLY CLOSED, 1FB, SWITCH/MAGNET SET:

 

 

 

N205A/STFB

SILVER

1.25 to 2.25

30 VDC

0.2 Amps

3vA

0.5 Amps

100 mOhms

SINGLE POLE DOUBLE THROW, SWITCH/MAGNET SET:

 

 

 

 

N205A/STSD

SILVER

1.25 to 2.25

30 VDC

0.2 Amps

3vA

0.5 Amps

100 mOhms

DOUBLE POLE DOUBLE THROW, SWITCH/MAGNET SET:

 

 

 

 

N205A/STDD

SILVER

1.75 to 3.00

30 VDC

0.2 Amps

3vA

0.5 Amps

100 mOhms

 

 

HIGH SECURITY, NORMALLY OPEN, 1FA, SWITCH/MAGNET SET:

 

 

 

N205A/STHS

SILVER

0.1875 to 0.50

300 VDC

0.25

10vA

0.25

150 mOhms

Amps

Amps

initial

 

 

 

 

 

DWG No. 131112-01 Rev. 1

Royne Industries LLC dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com

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N205A

OVERHEAD DOOR SWITCH WITH AN L SHAPE MAGNET

WIRING SCHEMATIC

 

 

 

 

 

 

SWITCH

SWITCH

CONTACT

CONTACT

 

 

 

 

 

 

 

 

 

 

 

 

CLOSED LOOP,

OPEN LOOP,

 

 

 

DUAL CLOSED LOOP,

NORMALLY OPEN CONTACT

NORMALLY CLOSED CONTACT

NORMALLY OPEN CONTACTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NC, OPEN LOOP (WHITE)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMMON

 

 

 

 

 

 

NO, CLOSED LOOP (RED)

 

 

 

 

NC, OPEN LOOP (WHITE)

 

 

 

 

 

 

 

 

 

 

(BROWN)

 

 

 

NC, OPEN LOOP (WHITE)

 

COMMON

 

 

NO, CLOSED LOOP (RED)

COMMON

 

 

 

 

 

NC, OPEN LOOP (WHITE)

 

(BROWN)

 

 

(BROWN)

 

 

 

 

 

 

 

 

 

 

 

DPDT, DOUBLE POLE DOUBLE THROW

 

SPDT, SINGLE POLE DOUBLE THROW

 

 

 

 

 

 

 

 

 

 

 

 

 

DIMENSIONS - IN [mm]

 

 

 

 

 

2.250

 

 

 

2.118

1.400

57.15

 

 

.153

35.56

 

.876

1.375

3.88

53.80

.370

 

 

 

9.40

 

22.25

34.93

.260

 

 

 

 

 

1.300

Top View

 

 

6.60

 

33.02

4.300

.380

 

 

3.750

End View

109.22

 

 

95.25

 

 

 

 

9.65

 

 

3.850

 

 

 

 

 

 

 

 

 

 

97.79

 

Front View

 

 

 

Front View

 

SWITCH

 

 

 

 

MAGNET

INSTALLATION INSTRUCTIONS

The switch can be mounted on the floor at the base of the door or on the wall at the top of the door. For best performance, align the switch and magnet housings and keep the gap distance between the switch and magnet as close as possible.

FLOOR MOUNT:

With the overhead door closed, position the magnet on the lower right or left side of the door, then align the switch under the magnet. Adjust the position of the switch and magnet to ensure there is adequate clearance between the housings (1/4” minimum).

Make sure the stainless steel armored cable will not interfere with the door operation.

Mark the mounting hole locations for the switch and magnet.

Drill the marked locations on the door using a high speed drill adequately sized for self-tapping screws or machine screws.

Mount the magnet on the door.

Raise the door and drill the switch mounting hole locations using a masonry bit for concrete floors, sized to fit expansion anchors for #6 self-tapping screws.

Secure the switch to the floor.

Test the switch by attaching an ohm meter to the switch leads and operate the door.

Connect the leads to the alarm system conductors.

DWG No. 131112-01 Rev. 1

Royne Industries LLC dba NASCOM | P: 800.843.5530 | F: 800.727.4041 | www.nascominc.com

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