Nascom Overhead Door Standard Contact N205AU/ST, Universal Magnet, 3.5" Gap, 24" Armored Cable, Silver Aluminum

Name: Nascom Overhead Door Standard Contact N205AU/ST, Universal Magnet, 3.5" Gap, 24" Armored Cable, Silver Aluminum
Brand: Nascom
SKU: Raz-N205AU/ST
Price: 69.04 USD
Availability: InStock

Know when the door moves.

A wired, armored magnetic contact for overhead doors. Its 3.5" standard gap tolerates door play, so commercial alarm systems can tell whether a roll-up or sectional door is closed.

$69.04

In stock

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Nascom Overhead Door Standard Contact N205AU/ST

Overhead door closedClosed loop, 3.5" standard gap

Leads protected24" armored cable

Overhead doors rarely sit still.

Roll-up and sectional doors move and shift, so a tight-gap contact can lose the magnet. A wide gap and consistent detection keep the loop reliable.

Without itA narrow-gap contact has little room for door play, and exposed leads are easy to tamper with or damage.

✓

With the N205AU/STThe 3.5" standard gap and NO DEAD SPOT design give room for door movement, and armored cable protects the first 24" of the leads.

What you get

Built for commercial overhead doors

A wide-gap contact with armored leads and a durable aluminum housing.

3.5" standard gap

A wide gap tolerates the play found on overhead doors.

Nascom Overhead Door Standard Contact N205AU/ST, Universal Magnet, 3.5" Gap, 24" Armored Cable, Silver Aluminum

3.5"

Standard gap

Wide gap for roll-up and sectional overhead doors.

NO DEAD SPOT technology

Nascom's design is built to give consistent detection across the magnet's travel.

24" armored cable

The first 24" of the wire leads run through armored cable to help protect them from tampering and physical damage.

Anodized aluminum housing

Switch and magnet housings are extruded aluminum with a Type II anodized finish for commercial settings.

Details

Everything you need to know.

Brand	Nascom
Model	N205AU/ST
Contact Type	Closed Loop
Standard Gap	3.5" (88.9 mm)
Lead Length	36" (914.4 mm)
Lead Wire	22 AWG
Lead Protection	24" armored cable
Rated Voltage	200 V DC
Rated Current	500 mA
Housing Material	Extruded anodized aluminum (Type II)
Color	Silver
Certification	UL634

Description

Nascom Overhead Door Standard Contact N205AU/ST, Universal Magnet, 3.5" Gap, 24" Armore...

The Nascom N205AU/ST is a standard overhead door switch with a universal magnet and a 3.5" standard gap, giving room for the movement typical of roll-up and sectional doors. Extruded anodized aluminum housings, armored lead protection and industry-standard mounting holes make it a practical choice for commercial and industrial installers.

Key Features

3.5" standard gap – A wide gap tolerates the play found on overhead doors.
Universal magnet – Flexible mounting with a universal magnet.
NO DEAD SPOT technology – Nascom's NO DEAD SPOT design is built to give consistent detection across the magnet's travel.
24" armored cable lead protection – The first 24" of the wire leads run through armored cable to help protect them from tampering and physical damage.
Extruded anodized (Type II) aluminum – Switch and magnet housings are extruded aluminum with a Type II anodized finish for durability in commercial settings.
Industry-standard switch mounting holes – Matches common hole patterns for straightforward replacement.
36" 22 AWG wire leads – Long pre-attached leads.
Listed to UL634 – Listed to the UL634 standard for connectors and switches used with burglar-alarm systems.

Specifications

Brand: Nascom
Model: N205AU/ST
Series: N205AU
Type: Overhead door magnetic contact
Mounting: Overhead / universal
Standard Gap: 3.5" (88.9 mm)
Loop Type: Closed loop
Termination: Wire leads
Lead Length: 36" (914.4 mm)
Lead Wire: 22 AWG
Lead Protection: 24" armored cable
Rated Voltage: 200 V DC
Rated Current: 500 mA
Contact Resistance: 0.15 Ω (150,000 µΩ)
Magnet Material: Neodymium (permanent magnet)
Connectivity: Wired
Housing Material: Extruded anodized aluminum (Type II)
Color: Silver
Applications: Commercial, industrial
Certification: UL634

Typical Uses

Roll-up and sectional overhead doors
Warehouse and loading dock doors
Replacing existing overhead contacts

Please verify the required gap, mounting surface and loop type (closed loop / switch configuration) against your alarm panel or access-control input and the door construction before ordering.

Good to know: The N205AU/ST is intended for commercial and industrial applications and uses industry-standard switch mounting holes, which suits straightforward replacement.