Data sheet
OVEM-05-H-B-QO-CE-N-1P (540021) Vacuum generator
{{ $t('shop.all.artikelnummer') }}:
OT-FESTO035218
Example illustration
{{ $t('shop.display.artikel.eigenschaften_headline') }}
| Nominal width laval nozzle [mm] | 0,45 |
| Pitch dimension [mm] | 20 |
| Construction type silencer type | open |
| installation position | arbitrary |
| Ejector characteristic |
High vacuum, Standard |
| Filter porosity [µm] | 40 |
| Hand assist actuation | tentative |
| Integrated function |
check valves, Silencer open, vacuum switch, Electrical switch on valve, Ejection impulse electrical, flow control valve (both directions), filter |
| Construction set up | Modular |
| Short circuit resistance | yes |
| Measured parameter | Relative pressure |
| Measurement principle | Piezoresistive |
| Switching element function | NO contact |
| Switch function |
Threshold comparator, Threshold value with fixed hysteresis |
| Valve function | closed |
| Reverse polarity protection | for all electrical connections |
| Control input to standard | IEC 61131-2 |
| Display type | LED |
| Setting options | Teach-in |
| Switching position display | LED |
| Switching status indicator | Visual |
| Settings range threshold value [bar] | -1 |
| Operating pressure [bar] | 2 to 8 |
| Operating pressure for max. vacuum [bar] | 5,1 |
| max. vacuum [%] | 93 |
| Nominal operating pressure [bar] | 6 |
| Max. suction volume current against atmosphere [l/min] | 6,0 |
| Venting time for nominal operating pressure [s] | 2,0 |
| Operating voltage range DC [V] | 20.4 to 27.6 |
| Power-on time | 100 % |
| Inductive protection circuit | adjusted to MZ, MY, ME coils |
| Insulation voltage [V] | 50 |
| Empty run current [mA] | < 80 mA |
| Max. output current [mA] | 100 |
| Residual current [mA] | 0,1 |
| Control output | PNP |
| Voltage drop [V] | <= 1,5 V |
| Coil characteristic value | 24 V DC: Low current phase 0.3 W, high current phase 2,55 W |
| Surge voltage strength [kV] | 0,8 |
| Overload resistant | Available |
| Degree of contamination | 3 |
| Permission |
RCM mark, c UL us - Listed (OL) |
| KC-mark | KC-EMV |
| CE certificate (see declaration of conformity) | to EU EMC directive |
| Operating medium | Compressed air to ISO 8573-1:2010 [7:4:4] |
| Information about operating and control medium | Oiled operation not possible |
| Corrosion resistant class KBK | 2 - moderate corrosion stress |
| Medium temperature [°C] | 0 to 50 |
| Relative humidity | 5 - 85 % |
| Noise level for nominal operating pressure [dB(A)] | 51 |
| Protection category | IP65 |
| Protection class | III |
| ambient temperature [°C] | 0 to 50 |
| Max. tightening torque |
0.8 Nm with female thread, 2.5 Nm with throughway bore |
| Pressure measurement range [bar] | -1 |
| Accuracy FS [%FS] | 0,5 |
| Reproducibility shifting time FS [%] | 0,6 |
| Switching logic inputs | PNP (Positive switching) |
| Electrical connection |
M12x1, 5 pin, Plug |
| Fastening type |
With throughway bores, With female thread, With Accessories |
| Pneumatic connection 1 | QS-6 |
| Pneumatic connection 3 | Silencer integrated |
| vacuum connection | QS-6 |
| Material information |
LABS containing materials included, RoHs compliant |
| Seals material | NBR |
| Capture nozzle material | POM |
| Filter material |
PA, Web, Sintered steel |
| Filter housing material | PA reinforced |
| Housing material |
Aluminium die casting, PA reinforced |
| Regulation screw material | Steel |
| Silencer material |
Aluminium wrought alloy, PU foam |
| Screws material | Steel |
| Plug housing material | brass, nickel-plated |
| Plug contacts material | brass, Gold plated |
| Pins material | Steel |
| Jet nozzle material | Aluminium wrought alloy |
| Button field material | PA reinforced |
| Screw connection material | brass, nickel-plated |
| Hysteresis [bar] | 0,02 |
Further information:
| {{ $t('shop.all.gewicht') }} | 420 g / pcs |
| {{ $t('shop.all.gtin') }} | 4052568178239 |
| {{ $t('shop.display.artikel.zollwarennummer') }} | 84141089 |
| {{ $t('shop.all.hersteller') }} | Festo |
Figure
More information on this item and the process for ordering it can be found in our online shop https://www.landefeld.de under item number OT-FESTO035218.
Landefeld Druckluft und Hydraulik GmbH · Konrad-Zuse-Straße 1 · 34123 Kassel · Germany
All data are to be understood as non-binding reference values! We do not assume liability for any data selection not confirmed in writing. Unless otherwise specified, pressure values refer to liquids from Group II at +20°C.
Our products arid goods are generally only intended for industrial and commercial uses.
Our products arid goods are generally only intended for industrial and commercial uses.
As of: 08.12.2025