Bosch Rexroth | 4WE6D6XOFEG24N9K4B28
4WE6D6X/OFEG24N9K4/B28
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The 4WE6D6X/OFEG24N9K4/B28 directional spool valve is part of the WE Directional Spool Valves series from Bosch Rexroth and is used to route hydraulic oil between pressure, tank, and actuator lines in automation circuits. It is built in size 6, so its mounting envelope fits standard CETOP 3 manifolds. A D-type spool provides the flow paths required for typical cylinder extend and retract functions, while two solenoids let the controller shift the spool in either direction. Each solenoid operates on a coil voltage of 24 V DC; a rated current of 1.25 A and a nominal power draw of 30 W define the electrical load seen by the supply. The coil is designed for a 100 percent duty cycle, so it can stay energized continuously without thermal derating. Wiring is completed through a DIN EN 175301-803 plug coded K4, allowing rapid connection in the field.
The valve mates to subplates drilled to the ISO 4401-03-02-0-05 port pattern, ensuring interchangeability with other size-6 devices. It handles a maximum operating pressure of 350 bar at ports A, B, and P, while the tank port may be pressurized up to 210 bar, so circuit designers can accommodate back-pressure without risking seal failure. A maximum flow rate of 80 l/min limits velocity through the spool and helps maintain acceptable pressure drops. A concealed manual override identified as N9 lets maintenance personnel shift the spool mechanically when electrical power is absent; the tank line pressure must stay below 50 bar during this operation. When power is removed, the coil insulation withstands switch-off overvoltages up to 500 V, protecting the windings from inductive spikes. Together these parameters support reliable valve function in continuous industrial service.
Technical Specifications
Coil Voltage
24 V DC
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Manual Override Limit (tank)
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (t, Dc)
210 bar
Nominal Power
30 W
Port Pattern
ISO 4401-03-02-0-05
Rated Current (24 V Dc)
1.25 A
Size
6
Solenoids
2
Spool Type
D
1620 Old Apex Road
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