What is the best commercial mortise lock?

The Schlage L9000 is the most widely specified. The Sargent 8200 has the highest cycle count at 14M+. The Corbin Russwin ML2000 is heavily specified on government projects. All are ANSI/BHMA Grade 1.

What is the difference between Grade 1 and Grade 2 locks?

Grade 1 locks are tested to 1,000,000+ cycles with higher impact resistance. Grade 2 are rated for 250,000 cycles. Grade 1 is standard for commercial exterior doors and high-traffic areas.

What is the best door lock for school classrooms?

The Schlage ND78 classroom security lock allows locking from inside without opening the door, meets ADA requirements, and maintains fire egress compliance.

What is the difference between Schlage ND and ALX?

ND is Grade 1 with 1M+ cycles and electrified options. ALX is Grade 2 with 250K cycles and modular chassis at lower cost. They share the same lever designs.

What is the most common commercial door closer?

The LCN 4040XP is the most widely specified surface-mounted commercial door closer in the US, covering sizes 1-6 and all three mounting types.

What locks are used in hospitals?

Grade 1 mortise locks on high-traffic doors, cylindrical locks on patient rooms, electronic access with audit trails on pharmacy and restricted areas.

How much cheaper is wholesale vs retail door hardware?

Wholesale pricing on commercial door hardware is typically 20-40% below manufacturer list price. Project quotes for large orders can be even lower.

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Nortek Control DXS-54 Supervised Passive Infrared Motion Detector Transmitter Walk-Test Mode Fresnel Lens with 24 Facets Battery Saver Circuitry DXS Format Powered by 9-Volt Battery 315 MHz RF Frequency

Nortek Control DXS-54 Supervised Passive Infrared Motion Detector Transmitter Walk-Test Mode Fresnel Lens with 24 Facets Battery Saver Circuitry DXS Format Powered by 9-Volt Battery 315 MHz RF Frequency

Nortek Control

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SKU:: DXS-54

MSRP:

$157.88

$111.00

You save $46.88

Nortek Control DXS-54 Supervised Passive Infrared Motion Detector Transmitter Walk-Test Mode Fresnel Lens with 24 Facets Battery Saver Circuitry DXS Format Powered by 9-Volt Battery 315 MHz RF Frequency DXS-54

UPC:: 93863103483

MSRP:

$157.88

$111.00

You save $46.88

Descriptions

Supervised Passive Infrared Motion Detector Transmitter, Walk-Test Mode, Fresnel Lens with 24 Facets, Battery Saver Circuitry, DXS Format, Powered by 9-Volt Battery, 315 MHz RF Frequency

Specifications

Brand:

Nortek Control

Series:

Nortek Electrical Accessories

Manufacturer:

Nortek Control

Commercial Residential:

Commercial

Country Of Origin:

China

Sub-Type:

Motion Sensors

Type:

Sensors, Switches, Relays, Timers

UPC:

93863103483

Uid:

LIN200DXS54

Url Title:

lindxs-54

Title:

DXS-54 Nortek Control Sensors, Switches, Relays, Timer

Sub Type:

Motion Sensors

Last Modified:

2024-10-23T00:55:56+00:00

Last Pricing:

2025-01-02T05:00:00+00:00

Msrp:

145.00

Avg Lead Time:

128

Popularity:

Vendor:

Nortek Control

Nortek Control DXS-54 Supervised Passive Infrared Motion Detector Transmitter Walk-Test Mode Fresnel Lens with 24 Facets Battery Saver Circuitry DXS Format Powered by 9-Volt Battery 315 MHz RF Frequency

Nortek Control

Descriptions

Specifications

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