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Festo
539988
Vacuum generator OVEM-10-H-BN-QO-ON-N-2P
The Festo 539988 is a modular industrial component featuring a 0.95 mm nominal size Laval nozzle, a 20 mm grid dimension, and an open silencer design with any assembly position. This unit incorporates an electrical on-off valve, filter, open silencer, and piezoresistive vacuum switch measuring relative pressure from -29.5 to 0 inchHg on a 4-place backlit LCD alphanumeric display. Additional technical features include high vacuum and standard ejector characteristics, 40 µm filtration, short circuit and reverse polarity protection, a manual override via pushing and operating buttons, and IEC 61131-2 standard switching inputs. Submit the exact part number, quantity, and application requirements for an official quote.
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Request a Quote- Manufacturer
- Festo
- Part number
- 539988
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 539988.
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Verified configuration
Technical Specifications
- Nominal size, Laval nozzle
- 0.95 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
- 3.5 bar
- Max. vacuum
- 93 %
- Nominal working pressure
- 6 bar
- Max. suction rate with respect to atmosphere
- 19.5 l/min
- Air supply time at nominal working pressure
- 1.2 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
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 539988. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.