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Chamber furnaces, electrically heated

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Chamber furnaces, electrically heated Chamber Furnaces Nabertherm Furnace Laboratory Equipment Facility

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N 7/H - N 641/13
These universal chamber furnaces with radiation heating have been specifically designed to withstand heavyduty use in the heat treatment shop. They are particularly useful for processes such as tool making or for hardening jobs, e.g. annealing, hardening and forging. With help of various accessories, these furnaces can be customized to your application requirements.

  • Compact, robust design
  • Three-sides heating: from both side walls and floor
  • High-quality, free-radiating heating elements mounted on support tubes for longest service life
  • Floor heating protected by heat conducting SiC tiles
  • Parallel guided downward swinging door (user protected from heat radiation)
  • Stainless steel upper door jamb protects furnace structure when furnace is opened hot
  • Exhaust air flaps in rear
  • Optimum temperature uniformity up to ± 10 K according to DIN 17052-1
  • Low energy consumption due to multi-layer insulation
  • Gas spring dampers provide for easy door opening and closing
  • Heat resistant zinc paint for protection of door and door frame (for N81 and larger
Model Tmax °C Inner dimensions in mm Volume in l Outer dimensions in mm Connected load kW Electrical connection Weight in kg
W D H W D H
N 7/H 1280 250 250 140 9 800 650 600 3.0 1-phase 60
N 11/H 1280 250 350 140 11 800 750 600 3.5 1-phase 70
N 11/HR 1280 250 350 140 11 800 750 600 5.5 3-phase 70
N 17/HR 1280 250 500 140 17 800 900 600 6.4 3-phase 90
N 31/H 1280 350 350 250 30 1040 1100 1340 15.0 3-phase 210
N 41/H 1280 350 500 250 40 1040 1250 1340 15.0 3-phase 260
N 61/H 1280 350 750 250 60 1040 1500 1340 20.0 3-phase 400
N 87/H 1280 350 1000 250 87 1040 1750 1340 25.0 3-phase 480
N 81 1200 500 750 250 80 1140 1900 1790 20.0 3-phase 820
N 161 1200 550 750 400 160 1180 1930 1980 30.0 3-phase 910
N 321 1200 750 1100 400 320 1400 2270 2040 47.0 3-phase 1300
N 641 1200 1000 1300 500 640 1690 2670 2240 70.0 3-phase 2100
N 81/13 1300 500 750 250 80 1220 1960 1840 22.0 3-phase 900
N 161/13 1300 550 750 400 160 1260 1990 2030 35.0 3-phase 1000
N 321/13 1300 750 1100 400 320 1480 2330 2090 60.0 3-phase 1500
N 641/13 1300 1000 1300 500 640 1770 2730 2290 80.0 3-phase 2500

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