RA 55|B 40

RA 55|B 40


The new, manoeuvrable all-rounders in the 40-litre class deliver the comfort and equipment for long, intensive cleaning work combined with the benefits of easy handling and compact dimensions. Extremely easy to use and configurable for any requirement, they make the efficient cleaning of small and medium sized areas a real pleasure! The diversity of options and the typical columbus features make professional cleaning more effective – productivity which pays dividends.

Technical key data
  • Tank capacity 40 l

  • Working width 550 mm
  • Theoretical coverage max. 2200 m²/h
  • Brush pressure 23 kg
RA 55|B 40
Product highlights
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Very robust mechanics

Only truly durable machines are also truly green.

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Superb suction

Guarantees streak-free floors that can be walked on immediately after cleaning.

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Clean right up to the edge

Perfect cleaning result, right up to the wall.

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Silence comes as standard

Ultra-quiet cleaning at only 60 dB(A) in noise-sensitive areas.

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Quick Stop as standard

The brush motor and water supply stop automatically when you let go of the handle.

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Automatic brush holder

Change tools quickly and easily at the touch of a button.

  • High brush pressure

Excellent cleaning result with the lowest possible amounts of water and chemicals, even on very dirty surfaces.

  • Functional display

Intuitive and easy to understand for every operator.

  • Easy-to-service components

Well thought-through design provides quick and easy access to all vital machine components.

  • Ergonomic steering handle

Easily adjustable steering handle, convenient for every operator.

  • Maintenance Instructions

Service markings simplify day-to-day care of machines.

  • Easy-clean machine

HACCP-compliant hygiene measures easily applied to all critical components.

  • Compact construction

Maximum efficiency for the best possible size.

  • Made in Germany

Quality from Germany.

RA 55|B 40
Optional equipment
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V-Eraser mop and wipe disinfection

WHO- and RKI-compliant mop and wipe disinfection on medium to large surfaces.

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With antibacterial tanks for all applications with high hygienic requirements.

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ECD – electronic Chemical dosing system

Only as much chemicals as absolutely necessary; this is good for the environment and the budget.

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EWD – electronic water dosing system

Cleaning operations with constant water quantity for consistently good cleaning quality.

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Integrated charger

Charge the battery anywhere, with the high-quality integrated charger.

RA 55|B 40
Technical data
Technical key data
L x W x H 1250 x 570 x 980 mm
Working width 550 mm
Suction width 850 mm
Theoretical coverage max. 2200 m²/h
Noise level 60 dB(A)
Empty weight 80,4 kg
Operating weight 198 kg (105 Ah 5)
Batteries / Electrical data
Rated voltage 24 V
Power max. 950 W
Power cable
Capacity wet 110 Ah 5
Capacity gel 105 Ah 5
Solution tank capacity 40 l
Recovery tank capacity 45 l
Suction: low pressure 125 mbar
Suction: air flow 32 l/s
Brushes and pad holders
Number 1
Speed 180 rpm
Brush pressure 23 kg
RA 55|B 40

As a specialist for contract cleaning, columbus offers you, in addition to first-class machines, a wide range of accessories for an individual adaption to your equipment and your requirements.