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Festo
539987
Vacuum generator OVEM-07-H-BN-QO-ON-N-2P
The Festo 539987 industrial component features a 0.7 mm nominal size Laval nozzle, a 20 mm grid dimension, an open silencer design, and an adjustable assembly position. It incorporates an electrical on-off valve, filter, open silencer, and vacuum switch within a modular structure offering high vacuum or standard ejector characteristics, 40 µm filtration grade, and manual override via pushing or operating buttons. Featuring piezoresistive relative pressure measurement, short circuit and reverse polarity protection, an IEC 61131-2 standard switching input, and a 4-place backlit LCD alphanumeric display with an indicating range of -29.5 to 0 inchHg, this unit supports both normally open and normally closed contact functions as well as window and threshold value comparators. Submit the exact part number, quantity, and application requirements to request a quote for this Festo component.
Request pricing and availabilityCommercial response for your destination and required quantity.
Request a Quote- Manufacturer
- Festo
- Part number
- 539987
- Data verification
- Manufacturer evidence reviewed
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Exact part-number verificationTechnical properties are matched to 539987.
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Verified configuration
Technical Specifications
- Nominal size, Laval nozzle
- 0.7 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
- 4.1 bar
- Max. vacuum
- 93 %
- Nominal working pressure
- 6 bar
- Max. suction rate with respect to atmosphere
- 16 l/min
- Air supply time at nominal working pressure
- 1.9 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 539987. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.