574011 FESTO | Alldatasheet
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Technical content
VOFA-L26-T32C-M-G14-1C1-APP Part number: 574011 Data sheet Feature Value Valve function 3/2, closed, monostable Actuation type Electrical Width 65 mm Standard nominal flow rate 1050 l/min Pneumatic working port G1/4 Operating voltage 24V DC Operating pressure 3 bar ... 10 bar Structural design Piston gate valve Reset method Mechanical spring Degree of protection IP65 NEMA 4 Certification c UL us - Recognized (OL) KC characters KC EMC CE marking (see declaration of conformity) As per EU EMC directive as per EU machinery directive Certificate issuing authority UL MH19482 Type code VOFA Exhaust air function With flow control option Sealing principle Soft Mounting position Any Conforms to standard EN 60947-5-2 Manual override None Type of control Pilot-controlled Pilot air supply port Internal Flow direction Non-reversible Symbol 00995405 Measuring principle Inductive Lap Overlap Sensor reverse polarity protection For all electrical connections Safety function Exhausting Tamper protection, protection against unexpected start-up Performance Level (PL) Exhaust/up to category 4, performance level e Protection against manipulation, protection against unexpected start- up/up to category 4, performance level e Note on forced dynamization Switching frequency at least once a week Signal status display With accessories Switching position sensing Normal position with sensor 11/15/21 - Subject to change - Festo AG & Co. KG 1/2
Sensor switching status indication LED Pilot pressure 3 bar ... 10 bar Suitability for vacuum no Standard flow rate exhaust 6-> 0 bar 2650 l/min Standard flow rate exhaust 6 -> 0 bar in the event of a fault 1050 l/min Switching time off 54 ms On switching time 24 ms Pneumatic valve - sensor ON switching time 58 ms Pneumatic valve - sensor switching time off 11 ms Duty cycle 100% Max. positive test pulse with 0 signal 1000 µs Max. negative test pulse on 1 signal 800 µs Switching output PNP Coil characteristics 24 V DC: 1.8 W Permissible voltage fluctuations -15 % / +10 % Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4] Information on operating and pilot media Operation with oil lubrication possible (required for further use) Vibration resistance Transport application test with severity level 2 as per FN 942017-4 and EN 60068-2-6 Shock resistance Shock test with severity level 2 as per FN 942017-5 and EN 60068-2-27 Corrosion resistance class (CRC) 0 - No corrosion stress Max. magnetic interference field 60 mT Temperature of medium -5 °C ... 50 °C Noise level 85 dB(A) Protection against direct and indirect contact PELV Protection class as per EN 60950/IEC 950 Pilot medium Compressed air as per ISO 8573-1:2010 [7:4:4] Ambient temperature -5 °C ... 50 °C Nominal altitude of use above sea level 1000 m as per VDE 0580 Product weight 1134 g DC sensor operating voltage range 10 V ... 30 V Sensor short circuit protection Pulsed Sensor idle current ≤10 mA Max. output current, sensor 200 mA Sensor max. switching frequency 5000 Hz Sensor residual ripple ± 10 % Sensor voltage drop ≤2 V Electrical connection Form C as per EN 175301-803 Without PE conductor Sensor connection Plug 3-pin M8x1 Type of mounting With through-hole Pneumatic connection 1 G1/4 Pneumatic connection 2 G¼ Pneumatic connection 3 G1/4 Note on materials RoHS-compliant Seals material FPM HNBR NBR Housing material Die-cast aluminum PA Material of screws Steel Galvanized Switching element function N/C contact 11/15/21 - Subject to change - Festo AG & Co. KG 2/2