The SM Series from Richardson Electronics is a Microwave Generator with Frequency 2450MHz +/- 25MHz, Power 6 kW, Voltage 208VAC, 50/60Hz, 3-phase, 30A/Phase 400VAC, 18.5A/Phase 480VAC, 14.5A/Phase. Tags: System, Rack Mount. More details for SM Series can be seen below.