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Thomas · Thomas 668 data sheet

668 Series

ReciprocatingOil-freeOEM data3 values carry a verification flag
Thomas 668 Series

*Photo shows the 668 series, not necessarily this exact model. Image: Thomas

Free air delivery
2.72 m³/h
Max. pressure
6.9 bar
WeightS
6.03 kg

Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.

Technical data

Source: Thomas product page · retrieved 2026-10-04
As publishedValueas printed: "Power at rated pressure (668S44XNTLSXX, 100/60/1)"as printed: "Power at rated pressure (668E44XNTLSXX, 115/60/1)"as printed: "Power at rated pressure (668S44XNTLSXX, 100/50/1)"as printed: "Net weight"; stated for the whole series; 6.0 kgas printed: "Power at rated pressure (668N44XNTLSXX, 230/50/1)"as printed: "Power at rated pressure (668N44XNTLSXX, 230/60/1)"
Flow
Free air delivery
45.3 l/min
oem verified
Source · 2026-10-04
Max. pressure
6.9 bar
oem verified
Source · 2026-10-04
Max. vacuum
93 % of local barometer
oem verified
Source · 2026-10-04
Power consumption
272 W
oem source
Source · 2026-10-20
309 W
oem source
Source · 2026-10-20
335 W
oem source
Source · 2026-10-20
326 W
oem source
Source · 2026-10-20
268 W
oem source
Source · 2026-10-20
Weight
13.3 lbsS
oem source
Source · 2026-10-20

Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.

S stated once for the whole series by the manufacturer

Reviewed operating performance · 60 Hz

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Documents

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Service parts

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  • MissingThomas's parts drawing (exploded view) for the 668 Series
  • MissingA parts list for the 668 Series

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