What is the sink rating for the IP710 and DS710 Dimmers? May 16, 2024 15:14 Updated Follow The IP710 = 28 mAmps maximum sink current. The DS710 = 50 mAmps maximum sink current. Related articles How do 0-10V dimmers work? What is the difference between sinking and sourcing? What is forward and reverse phase dimming? Video - Leviton Answer Series: 0-10V Dimmers What is a heat sink?