Festo 577521


$170.35 1 pcs. with 1 to 3 days delivery to United States


Pneumatic connection Weight Mounting Position Operating Pressure Actuation Type Size
G1/8 245g optional 2,5 bar ... 10 bar Electric 21 mm
pneumatic working port G1/8
Valve size 21 mm
Valve function 2x3/2-way, open, monostable
Material housing Die-cast aluminium Painted
Note on materials RoHS-compliant
Pneumatic connection, port 2 G1/8
Pilot exhaust port 84 M5
Breather connection Not ducted
Electrical connection Type C To EN 175301-803
Ambient temperature -5 °C ... 60 °C
Media temperature -10 °C ... 60 °C
Shock resistance Shock test with severity level 2 to FN 942017-5 and EN 60068-2-27
Note on operating and pilot medium Lubricated operation possible (in which case lubricated operation will always be required)
Permissible voltage fluctuations +/- 10 %
Max. negative test pulse with 1 signal 2.700 µs
Duty cycle 100%
Switching time off 23 ms
b value 0,29
Symbol 995,470
Pilot air supply Internal
Manual override Detenting Non-detenting
Sealing principle Soft
Nominal size 5,2 mm
Approval c UL us - Recognized (OL)
Design Poppet seat
Operating voltage 24V DC
Standard nominal flow rate 600 l/min
Type of actuation Electric
Material screws Galvanised steel
Material seals HNBR NBR TPE-U(PU)
Pneumatic connection, port 3 G1/8
Pneumatic connection, port 1 G1/8
Pilot exhaust port 82 M5
Type of mounting On manifold rail With through-hole Either:
Product weight 245 g
Pilot medium Compressed air to ISO 8573-1:2010 [7:4:4]
Corrosion resistance class CRC 2 - Moderate corrosion stress
Vibration resistance Transport application test with severity level 2 to FN 942017-4 and EN 60068-2-6
Operating medium Compressed air to ISO 8573-1:2010 [7:4:4]
Characteristic coil data 24 V DC: 2.6 W
Max. positive test pulse with 0 signal 1.900 µs
Switching time on 9 ms
C value 2,3 l/sbar
lap Underlap
Flow direction Non-reversible
Type of piloting Pilot actuated
Mounting position optional
Exhaust-air function With flow control option
Degree of protection IP65 With plug socket To IEC 60529
Type of reset Mechanical spring
Operating pressure 2,5 bar ... 10 bar
Stock 1 pcs.
Part number 577521
Manufacturer Festo
Quantity Unit Price
1+ $170.35
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