540020 Festo Vacuum Generators

Product Details

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

Related documents 540020 Specs