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Products/Festo/540000
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Festo

540000

Vacuum generator OVEM-14-H-BN-QO-ON-N-2P

The Festo 540000 industrial component features a 1.4 mm nominal size Laval nozzle, a 20 mm grid dimension, and an open silencer design with any assembly position. This modular unit integrates an electrical on-off valve, filter, open silencer, and vacuum switch, offering high vacuum and standard ejector characteristics with a 40 µm grade of filtration. Piezoresistive relative pressure measurement is displayed on a 4-place alphanumeric backlit LCD with an indicating range of -29.5 to 0 inchHg, supported by push and operating button manual overrides, short circuit strength, and complete polarity protection. Submit the exact part number, quantity, and application requirements to request a formal quote.

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Manufacturer
Festo
Part number
540000
Data verification
Manufacturer evidence reviewed

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Exact part-number verificationTechnical properties are matched to 540000.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.

Verified configuration

Technical Specifications

Nominal size, Laval nozzle
1.4 mm
Grid dimension
20 mm
Design, silencer
open
Assembly position
Any
Ejector characteristic
High vacuum | Standard
Grade of filtration
40 µm
Manual override
Pushing | Additionally via operating buttons
Integrated function
Electrical on-off valve | Filter | Open silencer | Vacuum switch
Design structure
modular
Short circuit strength
Yes
Measured variable
Relative pressure
Measuring principle
Piezoresistive
Switching element function
Normally closed contact | Normally open contact
Switching function
Window comparator | Threshold value comparator
Valve function
open
Polarity protected
for all electrical connections
Standard switching input
IEC 61131-2
Type of display
4-place alphanumeric | Backlit LCD
Indicating range
-29.5 ... 0 inchHg
Unit(s) that can be displayed
inchHg
Threshold setting range
-0.999 ... 0 bar
Hysteresis adjustment range [bar]
-0.9 ... 0 bar
Setting options
Via display and buttons
Switching position indicator
LCD
Operating status display
Optical
Working pressure
2 ... 8 bar
Working pressure for max. vacuum
3.6 bar
Max. vacuum
93 %
Nominal working pressure
6 bar
Max. suction rate with respect to atmosphere
50.5 l/min
Air supply time at nominal working pressure
0.6 s
Operating voltage range DC
20.4 ... 27.6 V
Duty cycle
100%
Inductive protective circuit
Adapted to MZ-, MY-, ME coils
Insulation voltage
50 V
Idle current
< 70 mA

Engineering context

Identification and RFQ Guidance

Confirm the exact configuration

Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 540000. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.