For low to medium range applications. Compact, completely packaged and wired units with automatic controls and Incoloy sheathed elements. Input power requirement: 30-390 KW, 460 or 480 volt, 3 phase, 30-195 KW, 208 or 240 volt, 3 phase; or 15-120 KW, 240 volt, 1 phase. Output: 98,000 BTUH (at 30 KW input) to 1,280,000 BTUH (at 390 KW input). Hot water and steam models available.