538832 Festo Vacuum Generators

Product Details

• Width dimension
  20 mm
• Manual override
  Non-detenting Additionally via operating buttons
• Short-circuit protection
  yes
• Switching function
  Window comparator Threshold value comparator
• Nominal width of Laval nozzle
  0.7 mm
• Mounting position
  Any
• Integrated function
  Ejector pulse valve, electric Vacuum switch
• Switching element function
  N/C contact N/O contact
• Display type
  4-character alphanumeric Back-lit LCD
• Setting options
  Via display and pushbuttons
• Max. vacuum
  93 %
• Idle current
  < 70 mA
• Surge resistance
  0.8 kV
• Noise level at nominal operating pressure
  58 dB(A)
• Product weight
  330 g
• Measuring principle
  Piezoresistive
• Valve function
  Closed
• Display range
  -0.999 bar ... 0 bar
• Displayable unit(s)
  bar
• Operating pressure for max. vacuum
  4.1 bar
Inductive protective circuit
Adapted to MZ, MY and ME coils
Duty cycle
100%
Coil characteristics
24 V DC: low-current phase 0.3 W, high-current phase 2.55 W
Overload protection
Available
Corrosion resistance class (CRC)
2 - Moderate corrosion stress
CE marking (see declaration of conformity)
As per EU EMC directive
Certification
RCM compliance mark c UL us - Listed (OL)
Type code
OVEM
Ejector characteristics
High vacuum Standard
Measured variable
Relative pressure
Switching input to standard
IEC 61131-2
Setting range hysteresis
-0.9 bar ... 0 bar
Switching status indication
Optical
Nominal operating pressure
6 bar
DC operating voltage range
20.4 V ... 27.6 V
Voltage drop
≤ 1.5 V
Switching output
2xPNP
Operating medium
Compressed air as per ISO 8573-1:2010 [7:4:4]
Relative air humidity
5 - 85 %
Protection class
III
Pressure measuring range
-1 bar ... 0 bar
Electrical connection
5-pin Plug
Seals material
NBR
Housing material
Die-cast aluminum PA-reinforced
Material of plug housing
Brass, nickel-plated
KC characters
KC EMC
Muffler construction type
Open
Grade of filtration
40 µm
Design
Modular
Symbol
00992094
Setting range threshold value
-0.999 bar ... 0 bar
Switching position indication
LCD
Air supply time at nominal operating pressure
0.4 s
Insulation voltage
50 V
Residual current
0.1 mA
Information on operating and pilot media
Operation with oil lubrication not possible
Degree of protection
IP65
Accuracy in ± % FS
3 %FS
Pneumatic connection 1
QS-8
Material of filter housing
PA-reinforced
Material of screws
Steel
Material of pins
Steel
Material of keypad
TPE-U
Reverse polarity protection
for all electrical connections
Operating pressure
2 bar ... 8 bar
Max. suction rate with respect to atmosphere
16 l/min
Max. output current
100 mA
Contamination level
3
Temperature of medium
0 °C ... 50 °C
Ambient temperature
0 °C ... 50 °C
Max. tightening torque
0.8 Nm with internal thread 2.5 Nm with through-hole
Type of mounting
With through-hole With accessories
Female nozzle material
POM
Muffler material
Wrought aluminum alloy PU foam
Material of pin contacts
Brass, gold-plated
Material of pneumatic fitting
Brass, nickel-plated
Reproducibility, switching value FS
0.6 %
Vacuum connection
QS-8
Pneumatic connection 3
Pneumatic muffler integrated
Material of adjusting screw
Steel
Inspection window material
PA
Material of jet nozzle
Wrought aluminum alloy
Input switching logic
PNP (positive switching)
Note on materials
Contains paint-wetting impairment substances RoHS-compliant
Compressed air filter material
Fabric Sintered steel

Related documents 538832 Specs