LHS 91S SYSTEM (400V, 11KW, 3Ph.)


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With power of up to 40 kW, the LHS 91 air heater is the tool for even the most demanding of heating applications. With this performance the LHS 91 is even capable of replacing many gas-fired heaters.

  • Heating power or temperature steplessly adjustable with potentiometer or remote control interface
  • Protection against heating element and device overheating with alarm output
  • Remote control interface for external temperature controllers (Leister CSS, or PLCs)
Attribute Unit Value
Voltage V~ 3 x 400
Power W 11000
Max. air outlet temperature °F 1202
Max. air inlet temperature °F 122
Max. ambient temperature °F 140
Relative humidity (non condensing) % 5 – 95
Size (L × B × H) mm 444 × 312 × 306
Size (L × W × H) inch 17.401 × 12.29 × 12.05
Weight kg 13.5
Conformity mark   CE Certification
Protection class I   Protection Class I