U 5.40 (XL K)Pumping speed 40 m³/hUltimate pressure 1 mbar
U 5.45 3Ph 230/400 V 50 Hz
The Becker U 5.45 is an oil-lubricated rotary vane vacuum pump with a pumping speed of 45 m³/h at 50 Hz (54 m³/h at 60 Hz) and an ultimate pressure of 0.5 mbar (without gas ballast). It is designed for packaging and food processing machines. Ehrler & Beck advises on selection, accessories and service.
Request a quote for this product Read more
- Pumping speed 45 m³/h 50 Hz 54 m³/h 60 Hz
- Ultimate pressure 0.5 mbar
- Rated motor power 1.5 kW 50 Hz
| Motor variant | Motor order number |
|---|---|
| 3Ph 230/400 V 50 Hz (selected) | 42088401300003GW |
| 3Ph 230/400, 220/380, 240/415 V 50 Hz / 460, 230/400, 265/460 V 60 Hz, UL/CSA | 42088422300114GW |
| 3Ph 230/460 V 50 Hz / 230/460, 208, 200/346 V 60 Hz | 42188407300088GW |
| 3Ph 200/346 V 50 Hz / 220/380, 400 V 60 Hz, UL/CSA | 42088453300003GW |
Becker U 5.45 – oil-lubricated rotary vane vacuum pump
The U 5.45 delivers 45 m³/h at 50 Hz and 54 m³/h at 60 Hz and reaches an ultimate pressure of 0.5 mbar (without gas ballast); for continuous operation Becker gives a working range of 0.5–300 mbar. Installed motor power: 1.5 / 1.5–1.8 kW. Sound pressure level 62 / 64 dB(A) at 50 / 60 Hz. Weight: 31 kg without motor. Dimensions up to 615 × 283 × 263 mm (length depending on the motor), oil quantity 1.0 l.Use
Becker names packaging and food processing machines as typical areas of use. The pump has a high water vapour tolerance.Equipment
- Gas ballast valve
- Non-return valve
- High-efficiency oil separator element
- Freely configurable connection and service openings
Advice and service
Ehrler & Beck supports you in selecting the right size and motor version, supplies oil, filters and spare parts and carries out maintenance and repair.| Pumping speed 50Hz | 45 |
|---|---|
| Pumping speed 60Hz | 54 |
| Ultimate pressure | 0.5 |
| Rated motor power 50Hz | 1.5 |
| Motor efficiency class | IE3 |
| Length | 58.4 |
| Width | 28.3 |
| Height | 26.3 |
| Inlet connection flange | G 1 1/4" |
| Outlet connection flange | G 1 1/4" |
| Noise level | 62 dB(A) |
| Cooling method | Air cooling |
Further technical data
| Motor | Data |
|---|---|
| Motor order number | 42088401300003GW |
| Pump types according to Becker | U 5.45 U 5.65 U 5.65 XL K |
| Phases | 3~ (three-phase) |
| 50 Hz | 1.5 kW (2.0 hp) · Δ230/Y400 V · IE3 · 1445 min⁻¹ · 5.58/3.21 A |
| Version | CE IP55 • ISO F • PTO |
| Motor length M1 | 279.0 mm |
| Overall length L1 with pump | 584.0 mm |
| Motor weight | 20.9 kg |
| Motor data according to | Becker Motor Specifications for Pumps and Blowers (09/2026), item 7-06 |
Additional technical data
| Technical data | Value |
|---|---|
| Design | Rotary vane vacuum pump, oil-lubricated, air-cooled |
| Pumping speed 50 Hz / 60 Hz | 45 / 54 m³/h |
| Ultimate pressure (absolute) | 0.5 mbar (without gas ballast) |
| Working range in continuous operation | 0.5–300 mbar |
| Installed motor power 50 Hz / 60 Hz | 1.5 / 1.5–1.8 kW |
| Sound pressure level 50 Hz / 60 Hz | 62 / 64 dB(A) |
| Weight | 31 kg without motor |
| Dimensions L × W × H | up to 615 × 283 × 263 mm (length depending on the motor) |
| Connections | Vacuum G 1 1/4" (vertical or horizontal); exhaust G 1 1/4" |
| Oil quantity | 1.0 l |
| Gas ballast | Water vapour tolerance 33.8 mbar |
| Becker data sheet | Dated 2026-08-17 |






