Bosch Rexroth | 4WE6Q6XEG24N9K4VSO407
4WE6Q6X/EG24N9K4/VSO407
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The 4WE6Q6X/EG24N9K4/VSO407 valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for electrically actuated flow control in hydraulic automation. It is designed for 24 V DC operation, a nominal voltage that aligns with standard machine power supplies. The coil draws 8 W of nominal power, limiting energy demand and simplifying power budget calculations. A voltage tolerance of ±10 % lets the electromagnet switch reliably when the supply varies. The duty cycle is rated at 100 % ED, so the coil may remain energized continuously without derating. Coil surface temperature is capped at 85 °C to control heat transfer to adjacent components. Electrical connection is made through a DIN EN 175301-803 K4 plug, giving a quick-disconnect interface. A concealed manual override N9 is included for emergency actuation while preventing accidental use. Because the installation position is unrestricted, the valve can be mounted in any orientation within the manifold.
Maximum operating pressure in ports P, A, and B is 315 bar, permitting use in high-pressure circuits. Port T is limited to 210 bar, allowing elevated return pressure without jeopardizing housing integrity. The directional element passes up to 60 l/min of hydraulic oil under direct current control, matching medium-flow actuators. A switching frequency limit of 2 cycles per second maintains spool alignment and minimizes wear. Its ISO 4401-03-02-0-05 porting pattern fits size 06 subplates for straightforward block mounting. Seals are made from FKM to resist heat and chemically aggressive fluids encountered in modern hydraulic oils. Required oil cleanliness is ISO 4406 20/18/15 to avoid contamination-induced sticking of the precision-ground spool. An MTTFd of 300 years quantifies the low probability of dangerous failure and supports functional safety calculations.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED
Electrical Connector
DIN EN 175301-803 (K4)
Installation Position
Any
Manual Override
Concealed (N9)
Max Coil Surface Temperature
85 °C
Max Operating Pressure (p, A, B)
315 bar
Max Pressure Port T (dc)
210 bar
Max Switching Frequency
2 1/s
Maximum Flow (dc)
60 l/min
Mttfd
300 years
Nominal Power
8 W
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Seal Material
FKM
Voltage Tolerance
±10%
1620 Old Apex Road
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