LEVITON OPP20-RD4 Power Pack Auto On, Manual On and Local Switch, Photocell Input 24 VDC, 225 mA,

The Leviton super duty power pack is the first power pack designed to control virtually any lighting or receptacle circuit load to meet today’s challenges for solid state lighting control and tougher code requirements for unmatched performance and durability. The Power Pack models are cost-effective with simplified energy management tools for daylight harvesting and energy management. The OPP20 line features robust and reliable mechanical latching relays, exclusive fail-safe circuitry, daylight harvesting, bi-level switching, and is configurable for energy code requirements (CA Title 24, ASHRAE 90.1, NYC LL48).