Muffle Furnaces Basic Models (1100°C)


With their unbeatable price/performance ratio, these compact muffle furnaces are perfect for many applications in the laboratory. Quality features like the dual shell furnace housing of rust-free stainless steel, their compact, lightweight constructions, or the heating elements encased in quartz glass tubes make these models reliable partners for your application.

  • Tmax 1100 °C, working temperature 1050 °C
  • Heating from two sides from heating elements in quartz glass tubes
  • Maintenance-friendly replacement of heating elements and insulation
  • Only fiber materials are used which are not classified as carcinogenic according to TRGS 905, class 1 or 2
  • Housing made of sheets of textured stainless steel
  • Dual shell housing for low external temperatures and high stability
  • Flap door which can also be used as a work platform
  • Exhaust air outlet in rear wall
  • Solid state relays provide for low-noise operation
  • Compact dimensions and light weight
  • Controller mounted under the door to save space
  • Defined application within the constraints of the operating instructions

Additional equipment

  • Chimney, chimney with fan or catalytic converter (not for L 1)
  • Over-temperature limiter with adjustable cutout temperature for thermal protection class 2 in accordance with EN 60519-2 as temperature limiter to protect the furnace and load
  • Protective gas connection to purge with non-flammable protective or reaction gases
  • Manual gas supply system
  • Observation hole in the door
Model Tmax Inner dimensions in mm Volume Outer dimensions2 in mm Connected Electrical Weight Minutes
°C w d h in l W D H load kW connection* in kg to Tmax1
LE 1/11 1100 90 115 110 1 290 280 430 1.5 1-phase 10 10
LE 2/11 1100 110 180 110 2 330 385 430 1.8 1-phase 10 25
LE 6/11 1100 170 200 170 6 390 435 490 1.8 1-phase 18 35
LE 14/11 1100 220 300 220 14 440 535 540 2.9 1-phase 25 40
1: If connected at 230 V 1/N/PE rsp. 400 V 3/N/PE
2: External dimensions vary when furnace is equipped with additional equipment. Dimensions on request.