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Description

Keystone XFit Dawn-to-Dusk Button Photocell — 120-277V

The Keystone KT-WPLED-PS-UV-KO is a commercial-grade dawn-to-dusk button photocell designed specifically for the XFit series of full cutoff LED wall packs. Operating on a universal 120-277V input, it provides contractors with an easy-to-install solution for automating exterior lighting and maximizing facility energy savings.

Key Features

  • Sensor Type: Dawn-to-dusk button photocell.
  • Input Voltage: 120-277V universal operation.
  • Compatibility: Fits Keystone M1, M2, and L1 wall pack housings.
  • Mounting: Installs behind translucent 1/2 in. housing knockout.
  • Function: Automates on/off operation based on ambient light.

Performance & Light Output

This photocell continuously monitors ambient daylight levels, automatically engaging the connected LED luminaire at dusk and disengaging it at dawn. This ensures that security and perimeter lighting is perfectly synchronized with the natural day-night cycle, providing safety only when required without manual intervention.

Electrical & Controls

Engineered to handle a wide range of standard electrical systems, this unit features a universal 120-277V input. It acts as a direct, hardwired control mechanism, interrupting or completing the power circuit to the fixture's LED driver based on measured light thresholds.

What's Included

  • (1) Button Photocell Sensor

Specifications

Dimensions

Length/Depth
2.99 in
Width/Diameter
1.57 in
Height
0.43 in
Weight
0.1 lb

Style & Materials

Material
Polycarbonate

Electrical Information

Voltage
120-277V

Item Details

MPN
KT-WPLED-PS-UV-KO
Brand
Keystone Technologies
Catalog Number
DLU-58
UPC
843654129198

Frequently Asked Questions

What fixtures are compatible with this photocell?

This dawn-to-dusk photocell is specifically designed for use with Keystone XFit full cutoff LED wall packs, including the M1, M2, and L1 housing sizes.

What voltage does this sensor support?

The photocell operates on a universal 120-277V input, making it compatible with most standard commercial and residential power systems.

How does the dawn-to-dusk feature work?

The sensor detects ambient light levels. It automatically turns the light fixture on when it gets dark (dusk) and turns it off when the sun comes up (dawn).

Where is the photocell installed on the fixture?

It installs cleanly behind the existing translucent 1/2 in. knockout located on the housing of the compatible wall pack fixture.

Does this sensor offer dimming capabilities?

No, this is a standard dawn-to-dusk photocell that provides simple automated on/off functionality without dimming control.
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Keystone Technologies

For over 75 years, Keystone Technologies has been a leader in the lighting industry, operating under a simple yet powerful philosophy: "Light Made Easy." The brand is dedicated to creating high-quality, reliable, and user-friendly lighting solutions for commercial and industrial applications. With a massive portfolio of lamps, fixtures, and controls, Keystone is the trusted, go-to partner for contractors and lighting professionals seeking performance and simplicity.

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