Leviton OSP20-RD0 Fluorescent/Incandescent Power Pack for Occupancy Sensor with HVAC Relay， 20 Amp FL/INC， 120-277V， Black<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Power supply for all OS Series Occupancy sensors and Add-A-Relay </span></li><li><span class="a-list-item"> Switches incandescent， magnetic and electronic fluorescent， magnetic and electronic low-voltage and motor loads </span></li><li><span class="a-list-item"> Compact size and light weight allows easy mounting through knockout in junction box (from either inside or outside junction box) with a simple twist-on nut. Unit is also approved for mounting in ballast channel cavity </span></li><li><span class="a-list-item"> Companion Add-A-Relay provides additional capacity using the OSA20-R00 </span></li><li><span class="a-list-item"> Use a Leviton Power Pack with Leviton Occupancy Sensors in the following applications: Bi-level lighting applications， Class Rooms， Conference Rooms， Offices or anywhere optimal lighting and energy savings are desired </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51V-DlfgolL.jpg" noproxy>