null LED Stairwell Fixture | 4ft. | Wattage Adjustable & Color Tunable
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4ft. LED Wattage Adjustable & Color Tunable Stairwell Fixture - 30W/35W/40W - 3500K/4000K/5000K - Built-In Ultrasonic Sensor - 12W Smart Safe Emergency Battery Backup Included - Keystone

4ft. LED Wattage Adjustable & Color Tunable Stairwell Fixture - 30W/35W/40W - 3500K/4000K/5000K - Built-In Ultrasonic Sensor - 12W Smart Safe Emergency Battery Backup Included - Keystone
SKU: LEDSTRP1000051606
MPN: KT-SWLED45PS-4A-8CSA-VDIM-P /EM12
BRAND: Keystone
$433.25
Availability: Out of Stock: Call for Availability
$433.25

Out Of Stock

Clearance Non-Clearance
Country Of Origin China
Color Temp / CCT Color Tunable 3500-4000-5000K
CRI 80
Life Hours 50,000 Hours
Light Source LED
Lumens 3550-5450
Lumens Range 3,000 - 5,000 Lumens
Operating Temp - Low -20C / -4F
Operating Temp - High 50C / 122F
Voltage AC120-277V
Warranty 5 Year
Color Color Tunable 3500-4000-5000K
Features Dimmable
Features Instant On
Features Long Life Span
Features Mercury Free
Features Warranty
Features Damp Rated
Features CCT Tunable
Features Wattage Adjustable
Features Wattage & CCT Adjustable
Recommended Uses 0_to_10v_dimmable.png
Recommended Uses damp_location.png
Recommended Uses dimmable.png
Recommended Uses dlc_listed.png
Recommended Uses ul_listed.png
Driver Brand Keystone
Right Overlay Image New on Lightup.png
Wattage Wattage Adjustable 30W/35W/40W
Ratings and Certifications DLC Listed
Ratings and Certifications UL Listed
Lens Material PMMA Lens
Brand Keystone
  • Details

    Keystone's Stairway Lighting with Motion Sensor: Ideal for Bi-Level Stairwells in Commercial and Retail Applications

    This Keystone LED stairwell fixture is ideal for commercial and retail applications including stairwells, hallways, and corridors. Stairwell fixtures are a great way to illuminate stairs with bright and even light output that need security lighting where people are present in lower occupancy rates as well. Keystone’s Power Select and Color Select technology are built into this stairwell fixture making it easy to make changes to the wattage and color temperature by simply using a switch.

    Notable features and benefits of this light include its integrated ultrasonic dimming occupancy sensor, steel body, and its smooth, diffused PMMA lens. It is also dimmable to 10% and powered by a Keystone 0-10V dimming LED driver. This light is also UL Listed 1598 making it suitable to be installed in both dry and damp locations. It boasts a long lifespan of 50,000 hours and operates in a wide range of temperatures from −4ºF/−20ºC to 122ºF/50ºC.

    In addition to the built-in occupancy sensor, this light also has a 12W, 1200 lumen Smart Safe emergency battery backup included that runs for up to 90 minutes. The emergency battery backup is also CEC Title 20 compliant.

    Additional Specifications:

    • Length: 4ft.
    • Adjustable Wattage: 30W, 35W, 45W
    • Lumens: varies by color temperature and wattage (see below)
      • 30W:
        • 3500K: 3,550 Lumens (119 Lumens/Watt)
        • 4000K: 3,650 Lumens (121 Lumens/Watt)
        • 5000K: 3,600 Lumens (120 Lumens/Watt)
      • 35W:
        • 3500K: 4,150 Lumens (119 Lumens/Watt)
        • 4000K: 4,250 Lumens (121 Lumens/Watt)
        • 5000K: 4,200 Lumens (120 Lumens/Watt)
      • 45W:
        • 3500K: 5,350 Lumens (119 Lumens/Watt)
        • 4000K: 5,450 Lumens (121 Lumens/Watt)
        • 5000K: 5,400 Lumens (120 Lumens/Watt)
    • Selectable Color Temperature: 3500K, 4000K, or 5000K
    • Input Voltage: 120-277V
    • Dimming: 0-10V
    • CRI: >80

    Product Dimensions: 5.6" H x 47.9" W x 4.9" D

    What is ultrasonic sensing?

    Ultrasonic sensing has a better reaction time when installed in stairwell applications over PIR or microwave technologies. Ultrasonic sensing senses motion better without direct line of sight as well. This simply means that the light turns on before people are in the area. Additionally, it has a degree of sensitivity to prevent the light from turning on from motion behind walls separate from the stairwell. This also means that the light will not falsely turn on out of the desired area of detection.

    This LED stairwell fixture is DLC Standard V5.1 listed and may qualify for energy-saving rebates! Learn more about LED Lighting Rebates or check out our FREE Rebate Assistant tool to help you find rebates in your area and start saving money on your next lighting project!

    Want to learn more about getting our products at wholesale discounts? Buy LightUp LED Products in Bulk by completing the form on our wholesale page.

    Shop our Commercial Lighting for a selection of lighting to fit your needs for various commercial applications.

    Check out all that LightUp has to offer on weekly specials, new products, categories and more on our home page!

Keystone's Stairway Lighting with Motion Sensor: Ideal for Bi-Level Stairwells in Commercial and Retail Applications

This Keystone LED stairwell fixture is ideal for commercial and retail applications including stairwells, hallways, and corridors. Stairwell fixtures are a great way to illuminate stairs with bright and even light output that need security lighting where people are present in lower occupancy rates as well. Keystone’s Power Select and Color Select technology are built into this stairwell fixture making it easy to make changes to the wattage and color temperature by simply using a switch.

Notable features and benefits of this light include its integrated ultrasonic dimming occupancy sensor, steel body, and its smooth, diffused PMMA lens. It is also dimmable to 10% and powered by a Keystone 0-10V dimming LED driver. This light is also UL Listed 1598 making it suitable to be installed in both dry and damp locations. It boasts a long lifespan of 50,000 hours and operates in a wide range of temperatures from −4ºF/−20ºC to 122ºF/50ºC.

In addition to the built-in occupancy sensor, this light also has a 12W, 1200 lumen Smart Safe emergency battery backup included that runs for up to 90 minutes. The emergency battery backup is also CEC Title 20 compliant.

Additional Specifications:

  • Length: 4ft.
  • Adjustable Wattage: 30W, 35W, 45W
  • Lumens: varies by color temperature and wattage (see below)
    • 30W:
      • 3500K: 3,550 Lumens (119 Lumens/Watt)
      • 4000K: 3,650 Lumens (121 Lumens/Watt)
      • 5000K: 3,600 Lumens (120 Lumens/Watt)
    • 35W:
      • 3500K: 4,150 Lumens (119 Lumens/Watt)
      • 4000K: 4,250 Lumens (121 Lumens/Watt)
      • 5000K: 4,200 Lumens (120 Lumens/Watt)
    • 45W:
      • 3500K: 5,350 Lumens (119 Lumens/Watt)
      • 4000K: 5,450 Lumens (121 Lumens/Watt)
      • 5000K: 5,400 Lumens (120 Lumens/Watt)
  • Selectable Color Temperature: 3500K, 4000K, or 5000K
  • Input Voltage: 120-277V
  • Dimming: 0-10V
  • CRI: >80

Product Dimensions: 5.6" H x 47.9" W x 4.9" D

What is ultrasonic sensing?

Ultrasonic sensing has a better reaction time when installed in stairwell applications over PIR or microwave technologies. Ultrasonic sensing senses motion better without direct line of sight as well. This simply means that the light turns on before people are in the area. Additionally, it has a degree of sensitivity to prevent the light from turning on from motion behind walls separate from the stairwell. This also means that the light will not falsely turn on out of the desired area of detection.

This LED stairwell fixture is DLC Standard V5.1 listed and may qualify for energy-saving rebates! Learn more about LED Lighting Rebates or check out our FREE Rebate Assistant tool to help you find rebates in your area and start saving money on your next lighting project!

Want to learn more about getting our products at wholesale discounts? Buy LightUp LED Products in Bulk by completing the form on our wholesale page.

Shop our Commercial Lighting for a selection of lighting to fit your needs for various commercial applications.

Check out all that LightUp has to offer on weekly specials, new products, categories and more on our home page!



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