Solaira Omnis 30 Amp variable phase angle control, multi-Voltage 120,208,240, or 277volt, up to 30A total load. Includes Nema 1 Vented enclosure and low voltage Potentiameter included. For variable control of single heater load with optional inputs including 0-10dCV, 4-20mA, Building Management systems including Lutron, Crestron, Control 4 and others. Optional Timer, Occupancy Sensor, thermostat.