FIELD: electrical engineering. SUBSTANCE: electrical heater has metal made ring banding which works like carrier for lamp heating elements, brackets for electric heating members fastening on panel and heat reflector made like semispherical member. Heat reflector has firm nichrome made frame with several layers of covering material having heat reflecting and electrical insulation properties. Heater temperature level is setting up automatically by electric circuit series connection of nichrome made frame, lamp heating elements and temperature controller-limiter so it provides effectiveness and reliability of heat transfer operation. Heat reflector construction provides more useful heater heat exchange. EFFECT: higher reliability and efficiency. 5 dwg
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