Resistance Heated Melting Holding Furnace (Crucible) Capacity: 250 kg - 800 kg.Electric power: 35kw, 45kw, 60kw, 80kw, 90kw, 120kw. Customize service is available in a full range of sizes. Alarm Systems Over heated alarm and moten aluminum leaked alarm systems. Environmental design Best quality of firebrick, ceramic fiber and refractory materials. SCR Control SCR Automatic electric power control box. Low Cost Low maintenace required. Furnace shell Solid sturdy steel construction furnace shell.