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Muffle Furnaces Basic Models
LE 1/11 - LE 14/11

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
• Insulation made of non-classified fiber material
• 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
• Process control and documentation with Controltherm MV software package

Model	Tmax	Inner dimensions in mm			Volume	Outer dimensions 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	250	265	340	1.5	1-phase	10	10
LE 2/11	1100	110	180	110	2	275	380	350	1.8	1-phase	10	25
LE 6/11	1100	170	200	170	6	510	400	320	1.8	1-phase	18	35
LE 14/11	1100	220	300	220	14	555	500	370	2.9	1-phase	25	40