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Recessed
5″ Standard Koto™: the parts
Standard Koto System

5″ Standard Koto™

Dimmable 5″ downlight that retrofits into existing housings, with field-changeable beams.See more specs

Output · lumens (watts)

  • 350 lm 5W
  • 750 lm 10.5W
  • 850 lm 10.5W
  • 950 lm 10.5W
  • 1,000 lm 12.5W
  • 1,150 lm 12.5W
  • 1,350 lm 12.5W
  • 1,400 lm 12.5W

Color temperature

  • 2400K
  • 2700K
  • 3000K
  • 3500K
  • 4000K
  • Sunset
  • Human Centric
  • 5-CCT

Beam

10° · 18° · 25° · 38° · 60° · 90°

Dimming

Triac/ELV, down to 5%

Voltage

120V

  • Integrated LED
  • Dimmable, Triac/ELV
  • CRI 95+
  • IC airtight housings
  • Damp location
  • Wet location, fixed trims
  • Title 24 JA8-2025-E
  • ENERGY STAR compliant
  • 50,000 hours L70
  • 5-year limited warranty
  • Award: Archello Awards 2023, Longlisted
  • Winner: Architectural SSL PIA 2019

Items

Build one part at a time, or the whole set, with a tab per part.
  • 5 items

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  • 4 items

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  • 2 items

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Details & Specs

Key Features

  • Driver on the module keeps service and upgrades simple
  • Retrofits into existing housings with a socket adapter
  • Dim-to-warm options: Sunset 3000K to 1800K, Human Centric 4000K to 2200K
  • Spot to flood in one fixture: change lenses on site for 18°, 25°, 38°, 60° or 90° (10° is fixed)
  • Dims down to 5% on 120V Triac and ELV dimmers
  • Choose a round reflector or baffle trim; the same module fits them all
  • Add louvers, diffusers, asymmetric lenses and other optics in the field

The 5″ Standard Koto has the driver built into a 1.5″ aperture LED module, so maintenance and upgrades are simple. Choose 350 to 1,400 lumens, beam angles from 10° to 90°, and 2400K to 4000K color temperatures, with Sunset and Human Centric dim-to-warm options. It fits 5″ new construction, remodel, shallow and 2-hour fire rated housings, retrofits into existing housings with a socket adapter, and takes twist-on trims without tools.

Specifications

Lumens

350 lm · 750 lm · 850 lm · 950 lm · 1,000 lm · 1,150 lm · 1,350 lm · 1,400 lm

Wattage

5W · 10.5W · 12.5W

Dimmable

Triac/ELV, down to 5%

Color Temp.

2400K · 2700K · 3000K · 3500K · 4000K · Sunset · Human Centric · 5-CCT switch (2700K to 5000K)

Dim-to-Warm

Sunset 3000K to 1800K; Human Centric 4000K to 2200K

Beam Angle

10° (fixed), 18°, 25°, 38°, 60°, 90° (Field changeable lenses, except 10°)

Optional Optics

Field changeable: louvers, linear lens, spread lens, frosted diffuser, color shifter, asymmetric lenses (single and double)

Module Aperture

1.5″

Voltage

120V

Lamp Type

LED

CRI

95+

Life Span

50,000 hours L70

Damp Location

UL and cUL listed, with adjustable trims

Wet Location

UL and cUL listed, with fixed (wet location) trims

Warranty

5-year limited

Finishes

All White

Covered by U.S. patents and patents pending.