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N 7/H N 41/H  

N 641 with annealing box and lift trolley

N 7/H - N 1491

These universal chamber furnaces with radiation heating are designed for highly adverse conditions during heat treatment. They are ideally suited for tooling construction processes and in the hardening shop, such as annealing, hardening or preheating for forging. The use of various accessories allow these furnaces to be modified for your application.

Standard Features, Table-Top Models N 7/H - N 17/HR

  • Compact, low-cost construction
  • Heating from floor and both side walls
  • Heating elements on support tubes ensure free heat radiation and a long service life
  • Low energy consumption due to multi-layer insulation
  • Casing made of sheets of textured stainless steel (non-corrosive design)
  • Exhaust air vent mounted on the side
  • Optimal temperature uniformity up to ΔT 20 K in accordance with DIN 17052-1
  • Floor heating protected by heat conducting SiC tiles
  • Parallel swinging door which opens downward (protection against heat radiation)

Standard Features N 31/H - N 61/H, like models N 7/H - N 17/HR, plus

  • Upper door area amored with stainless steel to avoid burn damage
  • Exhaust air vent in rear wall of furnace
  • Door movement cushioned by gas springs
  • Base included in delivery

Standard Version N 81/H - N 1491/H, like models N 31/H - N 61/H, except

  • Door movement with counterweight and gas spring; opening upward
  • Models N 761 + N 1491 equipped with electro-hydraulic lift door

For additional features see separate heat treatment catalog

Article no.ModelTmaxInner dimensions in mmVolumeExterior dimensions in mmSupplyElectricalWeight
Controller B 150Controller C 290 °Cwdhin lWDHpower/kWconnection*in kg
001311110 001311190 N 7/H¹ 1280 250 250 120 7 720 640 510 3,0 1-phase 60
001311210 001311290 N 11/H¹ 1280 250 350 140 11 720 760 510 3,6 1-phase 70
001311310 001311380 N 11/HR¹ 1280 250 350 140 11 720 760 510 5,5 3-phase² 70
001311510 001311580 N 17/HR¹ 1280 250 500 140 17 720 890 510 6,4 3-phase² 90
                           
001321110 001321173 N 31/H 1280 350 350 250 30 840 1010 1320 13,0 3-phase 210
001321210 001321290 N 41/H 1280 350 500 250 40 840 1160 1320 15,0 3-phase 260
001321310 001321395 N 61/H  1280 350 750 250 60 840 1410 1320 20,0 3-phase 400
                           
101320400 101320490 N 81 1200 500 750 250 80 1140 1900 1790 20,0 3-phase 820
101320500 101320590 N 161  1200 550 750 400 160 1180 1930 1980 30,0 3-phase 910
101320600 101320690 N 321 1200 750 1100 400 320 1400 2270 2040 47,0 3-phase 1300
101320700 101320790 N 641 1200 1000 1300 500 640 1690 2670 2240 70,0 3-phase 2100
101320800 101320890 N 761 1200 800 1900 500 760 1550 2540 2650 70,0 3-phase 2400
101320900 101320990 N 1491 1200 1660 1200 750 1490 2430 1840 3150 110,0 3-phase 5400
                           
101330400 101330490 N 81/13 1300 500 750 250 80 1220 1960 1840 22,0 3-phase 900
101330500 101330590 N 161/13 1300 550 750 400 160 1260 1990 2030 35,0 3-phase 1000
101330600 101330690 N 321/13 1300 750 1100 400 320 1480 2330 2090 60,0 3-phase 1500
101330700 101330790 N 641/13  1300 1000 1300 500 640 1770 2730 2290 80,0 3-phase 2500
¹Table-top model *Please see page 32 for more information about mains voltage
²Heating only between two phases

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