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Busch · COBRA NC 0500 B

COBRA NC 0500 B

Data coverage & sourcesCompare this modelAsk about this model
Dry ScrewOil-freeOEM data19 values carry a verification flag
Busch COBRA NC 0500 B

Image: Busch

Pumping speed
490 m³/h
Ultimate pressure
0.01 mbar
Motor power
9.02 kW
Noise level
69 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 publishedISO 50 HzISO 50 Hz; (ISO 2151), KpA = 3 dBISO 50 Hz; approx.ISO 50 Hz; (L x W x H)ISO 60 HzISO 60 Hz; (ISO 2151), KpA = 3 dBISO 60 Hz; approx.ISO 60 Hz; (L x W x H)US 60 HzUS 60 Hz; (ISO 2151), KpA = 3 dBUS 60 Hz; approx.US 60 Hz; (L x W x H)
Nominal pumping speed
Pumping speed
490 m³/h m³/h
oem verified
Source · 2026-10-01
490 m³/h m³/h
oem verified
Source · 2026-10-01
288.4 ACFM ACFM
oem verified
Source · 2026-10-01
Ultimate pressure
≤ 0.01 hPa (mbar) hPa (mbar)
oem verified
Source · 2026-10-01
≤ 0.01 hPa (mbar) hPa (mbar)
oem verified
Source · 2026-10-01
0.0075 Torr Torr
oem verified
Source · 2026-10-01
Nominal motor rating
Motor power
9.0 kW kW
oem verified
Source · 2026-10-01
9.0 kW kW
oem verified
Source · 2026-10-01
12.1 hp hp
oem verified
Source · 2026-10-01
Nominal motor speed
Speed
2900–2930 min⁻¹ min⁻¹R
Needs review · excluded from comparison
Source · 2026-10-01
3470–3540 min⁻¹ min⁻¹R
Needs review · excluded from comparison
Source · 2026-10-01
2930 rpm rpm
oem verified
Source · 2026-10-01
Operating voltage
190–210 / 380–420 V / 380–420 VR
Needs review · excluded from comparison
Source · 2026-10-01
200–240 / 380–460 V / 380–460 VR
Needs review · excluded from comparison
Source · 2026-10-01
190–210 / 380–420 V / 380–420 VR
Needs review · excluded from comparison
Source · 2026-10-01
Sound pressure level (ISO 2151), KpA = 3 dB
Noise level
≤ 69 dB(A) dB(A)
oem verified
Source · 2026-10-01
≤ 69 dB(A) dB(A)
oem verified
Source · 2026-10-01
69 dB(A) dB(A)
oem verified
Source · 2026-10-01
Weight approx.
Weight
460 kg kg
oem verified
Source · 2026-10-01
460 kg kg
oem verified
Source · 2026-10-01
1012 Lbs. Lbs.
oem verified
Source · 2026-10-01
Dimensions (L x W x H)
Dimensions
1163 x 485 x 557 mm mm
oem source
Source · 2026-10-01
1163 x 485 x 557 mm mm
oem source
Source · 2026-10-01
45.8 x 19.1 x 21.9 inches inches
oem source
Source · 2026-10-01
Gas inlet
Inlet connection
G2"
oem source
Source · 2026-10-01
G2"
oem source
Source · 2026-10-01
G2"
oem source
Source · 2026-10-01
Gas outlet
Outlet connection
G1½"
oem source
Source · 2026-10-01
G1½"
oem source
Source · 2026-10-01
G1½"
oem source
Source · 2026-10-01

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

R a min–max range as published, not a single rating

Reviewed operating performance · 60 Hz

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Documents

Documents open on the manufacturer’s site.

Service parts · 6

Lubrication2
Fittings and hardware1
Controls and instruments1
Other parts2

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