Busch · R5 RA 0165–0305 D
R5 RA 0255 D
Image: Busch
- Pumping speed
- 301 m³/h
- Ultimate pressure
- 0.1 mbar
- Motor power
- 7.46 kW
- Noise level
- 74 dB(A)
Headline ratings converted to common units for comparison; the table below shows each figure exactly as published.
Technical data
Source: Busch product page · retrieved 2026-10-01| As published | ISO 50 Hz; (light vacuum motor*) | ISO 50 Hz; (standard motor) | ISO 50 Hz | ISO 50 Hz; (Gas-ballast valve closed) | ISO 50 Hz; (Gas-ballast valve open) | ISO 50 Hz; at 100 mbar | ISO 50 Hz; at ultimate pressure | ISO 50 Hz; (ISO 2151), KpA = 3 dB | ISO 50 Hz; approx. | ISO 50 Hz; (L x W x H) | ISO 60 Hz; (light vacuum motor) | ISO 60 Hz; (standard motor) | ISO 60 Hz | ISO 60 Hz; (Gas-ballast valve closed) | ISO 60 Hz; (Gas-ballast valve open) | ISO 60 Hz; at 100 mbar | ISO 60 Hz; at ultimate pressure | ISO 60 Hz; (ISO 2151), KpA = 3 dB | ISO 60 Hz; approx. | ISO 60 Hz; (L x W x H) | US 60 Hz | US 60 Hz; (Gas-ballast valve closed) | US 60 Hz; (Gas-ballast valve open) | US 60 Hz; at 75 Torr | US 60 Hz; at ultimate pressure | US 60 Hz; (ISO 2151), KpA = 3 dB | US 60 Hz; approx. | US 60 Hz; (L x W x H) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal motor rating (light vacuum motor*) Motor power | ||||||||||||||||||||||||||||
| Nominal motor rating (standard motor) Motor power | ||||||||||||||||||||||||||||
| Nominal pumping speed Pumping speed | ||||||||||||||||||||||||||||
| Ultimate pressure (Gas-ballast valve closed) Ultimate pressure | ||||||||||||||||||||||||||||
| Ultimate pressure (Gas-ballast valve open) Ultimate pressure | ||||||||||||||||||||||||||||
| Nominal motor speed Speed | ||||||||||||||||||||||||||||
| Ambient temperature | ||||||||||||||||||||||||||||
| Power consumption at 100 mbar Power consumption | ||||||||||||||||||||||||||||
| Power consumption at ultimate pressure Power consumption | ||||||||||||||||||||||||||||
| Sound pressure level (ISO 2151), KpA = 3 dB Noise level | ||||||||||||||||||||||||||||
| Oil capacity | ||||||||||||||||||||||||||||
| Weight approx. Weight | ||||||||||||||||||||||||||||
| Dimensions (L x W x H) Dimensions | ||||||||||||||||||||||||||||
| Gas inlet Inlet connection | ||||||||||||||||||||||||||||
| Gas outlet Outlet connection | ||||||||||||||||||||||||||||
| Nominal motor rating (light vacuum motor) Motor power | ||||||||||||||||||||||||||||
| Nominal motor rating Motor power | ||||||||||||||||||||||||||||
| Power consumption at 75 Torr Power consumption |
Original extracted values are shown with their source and review status. Multiple values under the same condition remain separate for review.
Same family: R5 RA 0165 D, R5 RA 0205 D, R5 RA 0305 D
Explore the parts
R5 RA 0255 D, pulled apart
This model’s parts, by where they sit
Our drawing of the machine type, with the R5 RA 0255 D's own parts from Busch's lists. Side view along the shaft. Oil-free (dry) pumps have no exhaust box oil, sight glass or oil filter; their exhaust filter is a dust filter.
Reviewed operating performance · 60 Hz
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Documents
- Product leaflet R5 RA 0165–0305 D International ENdatasheet · 2 pp
- Product leaflet R5 RA 0165–0305 D USdatasheet · 2 pp
- Instruction manual R5 RA 0165-0305 D ENmanual · 44 pp
- Instruction manual R5 RA 0165-0305 D ENmanual · 48 pp
- Pumping speed curveISO
- Pumping speed curveIMP
- Dimensional drawingISO
Documents open on the manufacturer’s site.
Service parts · 29
Kit3
Filtration5
Lubrication4
Seals and gaskets2
Fittings and hardware6
Valves1
Part numbers from Busch’s parts lists, shop and instruction manuals. Open a part for its other models, replacements and suppliers.
Not on file yet
- MissingBusch's parts drawing (exploded view) for the R5 RA 0255 D
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