Bosch Rexroth | 4WE6U10B6XEG24K4
4WE6U10B6X/EG24K4
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The 4WE6U10B6X/EG24K4 directional spool valve is manufactured by Bosch Rexroth as part of the WE Directional Spool Valves series and is applied to route pressure and return flow in hydraulic automation systems. A wet-pin solenoid actuates the spool so the coil remains cooled by the surrounding fluid and switches reliably under load. The valve operates on a rated voltage of 24 V DC, while a rated current of 1.25 A limits power draw for control electronics. Wiring is completed through a DIN EN 175301-803 (K4) plug, providing a quick-disconnect electrical interface. The coil surface may reach 120 °C, a temperature ceiling that guides enclosure ventilation and duty cycle planning. An IP65 protection class seals the housing against dust and water jets, and the design allows installation in any position, giving machine builders freedom when laying out manifolds and panels.
A nominal size of 6 defines the internal flow paths and matches common sub-plate cavities used on compact manifolds. The valve passes up to 80 L/min of hydraulic oil in direct current operation, supporting medium-sized actuators without excessive pressure drop. Ports P, A, and B tolerate 350 bar, while the tank port is limited to 210 bar, preventing damage to return-line seals. The body mounts to sub-plates using the ISO 4401-03-02-0-05 pattern, and it also aligns with the NFPA T3.5.1 D03 interface for interchangeability between international and North American bases. A mean time to dangerous failure of 300 years reflects a low probability of spontaneous faults in safety relevant circuits. The assembly weighs 1.95 kg, light enough for single-person installation yet robust for continuous industrial service.
Technical Specifications
Actuation
Wet-Pin Solenoid
Coil Max Surface Temp
120 C
Electrical Connection
DIN EN 175301-803 (K4)
Installation Position
Any
Max Flow (dc)
80 L/min
Max Operating Pressure (p/a/b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Interface
ISO 4401-03-02-0-05
Mttfd
300 Years
Nfpa Interface
T3.5.1 D03
Nominal Size
6
Protection Class
IP65
Rated Current (24 V Dc)
1.25 A
Rated Voltage
24 V DC
Weight
1.95 kg
1620 Old Apex Road
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