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You are here: Home > Furnaces > High-Temperature Ovens, Chamber Furnaces with Air Circulation

High-Temperature Ovens, Chamber Furnaces with Air Circulation

N 120/65 HA

N 250/65HA with pneumatic lift-door as additional equipment

Over-temperature limit controller

N 15/65HA, N 30/45HA - N 500/85HA

These chamber furnaces with air circulation are characterized by their extremely high temperature uniformity. Hence, they are especially suitable for processes such as cooling, crystalizing, pre-heating, curing, but also for numerous processes in tool making. Due to the modular concept, the furnaces can be adjusted to the process requirements by adding suitable equipment.

Tmax 450 °C, 650 °C, or 850 °C
Horizontal air circulation
Swing door hinged on the right
Optimum temperature uniformity (according to DIN 17052-1) up to ?T 6 K
Heating from bottom, sides and top
Optimum air flow and temperature uniformity through high circulation rates
One shelf and rails for two additional shelves included
Air baffle box of stainless steel inside the furnace chamber for optmum air circulation
Switchgear with solid-state relays

Additional equipment N 30/45HA - N 500/85HA

Cooling system with fan for fast cooling
Automatic control of air inlet and exhaust air vents for better ventilation and faster cooling of the furnace
Pneumatic lift-door
Atmosphere boxes for protective gas operation
Additional shelves
Variable frequency control of air circulation velocity for sensitive parts
Charging aids, roller conveyors

Technical Specifications

Model	Tmax°C	Inner dimensions (mm)			Volume in L	Outer dimensions (mm)			Supply Power kW	Electrical Connections	Weight (kg)
Model	Tmax°C	w	d	h	Volume in L	w	d	h	Supply Power kW	Electrical Connections	Weight (kg)
N 30/45 HA	450	290	420	260	30	607 + 255	1175	1315	3,6	1-phase	195
N 60/45 HA	450	350	500	350	60	667 + 255	1250	1400	6,6	3-phase	240
N 120/45 HA	450	450	600	450	120	767 + 255	1350	1500	9,6	3-phase	310
N 250/45 HA	450	600	750	600	250	1002 + 255	1636	1860	19,0	3-phase	610
N 500/45 HA	450	750	1000	750	500	1152 + 255	1886	2010	28,0	3-phase	1030

N 15/65 HA¹	650	295	340	170	15	470	845	460	2,7	1-phase	55
N 30/65 HA	650	290	420	260	30	607 + 255	1175	1315	6,0	3-phase²	195
N 60/65 HA	650	350	500	350	60	667 + 255	1250	1400	9,6	3-phase	240
N 120/65 HA	650	450	600	450	120	767 + 255	1350	1500	13,6	3-phase	310
N 250/65 HA	650	600	750	600	250	1002 + 255	1636	1860	21,0	3-phase	610
N 500/65 HA	650	750	1000	750	500	1152 + 255	1886	2010	31,0	3-phase	1030

N 30/85 HA	850	290	420	260	30	607 + 255	1175	1315	6,0	3-phase²	195
N 60/85 HA	850	350	500	350	60	667 + 255	1250	1400	9,6	3-phase	240
N 120/85 HA	850	450	600	450	120	767 + 255	1350	1500	13,6	3-phase	310
N 250/85 HA	850	600	750	600	250	1002 + 255	1636	1860	21,0	3-phase	610
N 500/85 HA	850	750	1000	750	500	1152 + 255	1886	2010	31,0	3-phase	1030

¹Table-top model ²Heating only between two phases