Classic-Line

SQ Electric Top-Loader

CLASSIC-LINE SQ electric top-loader up to 1,350 °C or 1,380 °C

KITTEC is the first manufacturer worldwide to offer square kilns without the heavy, bulky steel frame. These kilns are therefore very easy to transport, since they will fit through any door opening of 50 cm or more. With the SQ model series, you also have the possibility of extending it with an extension ring.

Features of SQ model series kilns


Reversible base for two possible working heights

Gas pressure spring support for easier lid opening (from SQ 90 upwards)


Wide lid opening angle (> 90°) for easy loading

Heating elements protected in grooves


Lid prop for accelerated cooling phases

More special features of the SQ model series:

  • Powder-coated base – in your choice of one of five colours
  • Stainless steel fastening clamps, welded on – rust-proof and easy moving
  • Two-layer insulation: Lightweight refractory brick + high-quality, ceramic fibre-free insulation
  • Continuous mortar-free brick lining reduces cracking
  • Exhaust cowl at right-hand side, protected from condensation
  • Lid lock (with lockable eyelet)
  • Useful handles for secure and quick transport

Variants of the SQ model series:

  • SQ Plus models, in addition to the lightweight refractory brick, also contain high-quality and innovative premium insulation in the sides and the base.
  • SQ S models are constructed for high current operation.
  • SQ extension rings (with their own heating elements) make it possible to extend certain SQ models to have bigger firing chambers.

Optionally available:


Extension rings to increase volume

Lid heating


Hearth heating

Various controllers available


Inspection hole (including bung)

ESP Energy Saving Package


Other available options:

  • Solid state semiconductor relay (noiseless)
    An electronic semiconductor relay is used instead of the electric contactor, and makes noiseless switching procedures possible during firing.
  • Extended maximum temperature 1,350 °C or 1,380 °C
  • Hearth air inlet slide valve
  • Transport castors (2 of the 4 castors have a locking brake)
  • Exhaust air opening on the left instead of on the right
  • Flexible exhaust pipe
  • Levelling feet for compensating for floor unevenness

Additional capacity with extension rings

The KITTEC CLASSIC-LINE extension rings (with own heating elements) for the CB and SQ model series bring additional volume and therefore more space and flexibility. In this way, extending a SQ 90 S to a SQ 140 S provides additional volume of 50 l. The divisibility of these extendible or extended models makes transport through the narrowest of door openings possible (from door width of 50 cm). The extension rings are currently available for the following CLASSIC-LINE SQ kilns: SQ 90 S and SQ 150 S.

KITTEC CLASSIC-LINE model series SQ

Modell Form Firing chamber width [mm] Firing chamber depth [mm] Firing chamber height [mm] Volume [l] External width [mm] External depth [mm] External height incl. base [mm] Max. temperature [°C] Power [kW] Voltage [V] Current [A] Weight [kg]
SQ 11square2202202301147556055013202,4230 N~1140
SQ 50 PLUSsquare380380340526707706601280±303,6230 N~1685
SQ 50 Doublesquare3803803405269078066013203,6230 N~1690
SQ 70 PLUSsquare380380460706707707801200±303,6230 N~16100
SQ 70 Doublesquare380380460706907807801250±303,6230 N~16105
SQ 70 Ssquare3803804607067077078013205,6400 2N~2x12 CEE1690
SQ 90 Ssquare4504504609773081078013207,2400 2N~2x16 CEE16110
Extension ring f SQ 90 Ssquare4504502304873081023013203,8--23
SQ 140 Ssquare4504506901457308101010132011400 3N~3x16 CEE16130
SQ 150 Ssquare560560460153840930780132012400 3N~3x26 CEE32140
Extension ring f SQ 150 Ssquare5605602307684093023013206--28
SQ 220 Ssquare5605606902298409301010132018400 3N~3x26 CEE32170
SQ 165 Srectangular780450460165980790780132011400 3N~3x16 CEE16165
SQ 235 Srectangular780560535235980900850132016400 3N~3x24 CEE32190
SQ 350 Srectangular89056069035010909001010132020400 3N~3x29 CEE32225
SQ 390 Srectangular89056076539010909001080132022400 3N~3x32 CEE32240

All data subject to technical change without notice.

Appropriate firing sets, tools and additional equipment to KITTEC CLASSIC-LINE kilns are available here. Should you have questions about this model series or wish to get more information or customized advice, please feel free to contact us. We will get back to you shortly.

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