Bosch Rexroth | 4WE6D6XOFEG24N9K72LB06
4WE6D6X/OFEG24N9K72L/B06
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The 4WE6D6X/OFEG24N9K72L/B06 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series and directs hydraulic fluid in automation systems. It operates on a nominal voltage of 24 V DC, enabling direct connection to common industrial control supplies. Under that voltage the coil draws a rated current of 1.25 A, which defines the load seen by the power supply. The electromagnetic assembly consumes 30 W of nominal power, so heat generation remains predictable during continuous duty. A 100 % duty cycle (S1) permits uninterrupted shifting without mandatory cooling intervals. Electrical interface is an M12x1, 4-pole connector coded K72L, simplifying plug-and-play wiring in compact manifolds. The housing carries an IP65 rating, preventing dust ingress and water jets from affecting reliability. Coil surface temperature can reach 120 °C, so surrounding components must tolerate that heat level. Mounting conforms to the ISO 4401-03-02-0-05 porting pattern, ensuring interchangeability with standard CETOP 03 subplates.
The valve withstands a maximum operating pressure of 350 bar at ports P, A, and B, allowing use in high-pressure circuits. In direct-current operation it handles up to 80 l/min of flow, balancing speed with pressure capability. A maximum switching frequency of 4.2 cycles per second limits actuation rate and protects the magnetic core from overheating. Tank port T tolerates 210 bar, maintaining safe return flow even with back-pressure. A concealed manual override identified by code N9 permits local actuation while reducing accidental engagement. When the override is pressed, tank pressure must not exceed 50 bar to avoid seal damage. A 0.6 mm throttle insert in port P moderates inrush flow, damping pressure spikes during spool transition.
Technical Specifications
Coil Max Surface Temperature
120 °C
Connector Type
M12x1, 4-pole (K72L)
Duty Cycle
100% (S1)
Ip Rating
IP65
Manual Override Tank Pressure Max
50 bar
Manual Override Type
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Switching Frequency
4.2 1/s
Max Tank Port Pressure (t, Dc)
210 bar
Nominal Power
30 W
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (24 V Dc)
1.25 A
Throttle Insert (port P)
0.6 mm
1620 Old Apex Road
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