LHS 21L Premium (230V, 3.3KW)


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These advanced air heaters are distinguished by their extremely small dimensions—especially the slim design (2.6 in wide)—as well as their long service life. Designed for professional integration into machine systems, the new LHS series enables any specific application. Sterilizing, drying, welding, cleaning, shrinking, shaping, deburring and activating are now more efficient and reliable thanks to Leister’s proven hot-air technology!

  • Easy to integrate (mounted from above)
  • Overheat protection with alarm output for the heating element
  • Tool overheat protection with alarm output
  • Infinitely adjustable heating capacity via potentiometer
Attribute Unit Value
Voltage V~ 230
Power W 3300
Max. air outlet temperature °F 1202
Max. air inlet temperature °F 149
Max. ambient temperature °F 149
Relative humidity (non condensing) % 5 – 95
Max. inlet pressure psi 14.5
Size (L × B × H) mm 266 × 67 × 66
Size (L × W × H) inch 10.47 × 2.64 × 2.6
Weight kg 0.65
Conformity mark   CE Certification
Approval mark   Sicherheitszeichen-S-+
Protection class II   ProtectionClass II