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






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