Keystone 2 Foot LED Stairwell Fixture Selectable 25W/20W/15W 3500K/4000K/5000K 0-10V Dimming Built-In Ultrasonic Sensor (KT-SWLED25PS-2A-8CSA-VDIM-P) backorder1428 The OSF10 offers a sensor

The OSF10 offers a sensor and relay in one device

and many other applications

5W LED 4000K Black 110 Degree 800Lm Type IC Airtight Wet Locations Energy Star 90 CRI (LL4R-40K-BK)

Penn Union Bronze Bus Support Clamp For Copper Tube 3-1/2 Inch IPS (BSR2B353)

Leviton 20 Amp 240V 3-Phase IEC 309-1 And 309-2 3P 4W Mechanical Interlock North American Pin And Sleeve Receptacle Hub Sold Separately (420MI9W)

Keystone 2 Foot LED Stairwell Fixture Selectable 25W/20W/15W 3500K/4000K/5000K 0-10V Dimming Built-In Ultrasonic Sensor (KT-SWLED25PS-2A-8CSA-VDIM-P) backorder1428 The OSF10 offers a sensorKeystone 2 Foot LED Stairwell Fixture Power CCT Selectable 25W 20W 15W 3500K 4000K 5000K 0 10V Dimming Built In Ultrasonic Sensor (KT SWLED25PS 2A 8CSA VDIM P)