Bosch Rexroth | 4WE6EA6XOFEG48N9K4
4WE6EA6X/OFEG48N9K4
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The 4WE6EA6X/OFEG48N9K4 directional spool valve belongs to the WE Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation circuits. It mounts on subplates that follow the ISO 4401-03-02-0-05 porting pattern so maintenance crews can swap units without reworking pipework. Ports P, A, and B tolerate operating pressures up to 350 bar, letting the valve control cylinders or motors in high-pressure systems. The dual solenoid assembly works from a 48 V DC supply and draws 0.66 A, which streamlines power distribution design on mobile or stationary machines. Electrical power is supplied through a 3-pole (2+PE) EN 175301-803 connector that allows quick disconnection during service. Hydraulic flow of up to 80 l/min can pass through the spool without surpassing recommended pressure losses. An IP65 protection class shields the enclosure from dust ingress and low-pressure water jets encountered in factory environments. Because the valve may be installed in any position, designers have freedom to orient manifolds for compact layouts.
Fluid cleanliness must meet ISO 4406 class 20/18/15 to avoid spool jamming and premature seal wear. A minimum viscosity of 2.8 mm²/s keeps the lubricating film intact at elevated oil temperatures. The design remains functional with viscosities up to 500 mm²/s, accommodating cold starts or high-viscosity fluids. Tank port T can handle pressures up to 210 bar, supporting return-line accumulators or back-pressure filtration. The valve operates reliably at ambient temperatures down to −20 °C, making it suitable for outdoor equipment. It continues to function up to +50 °C without derating, eliminating the need for cabinet cooling in warm climates. With two solenoids the assembly weighs 1.95 kg, so a single technician can install or replace it on a manifold. A permitted switch-off overvoltage of 500 V protects the coil insulation when the control relay opens.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Electrical Connector
3-pole (2+PE) EN 175301-803
Installation Position
Any
Max Ambient Temperature
+50 C
Max Flow (dc)
80 l/min
Max Fluid Viscosity
500 mm²/s
Max Operating Pressure (p,a,b)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (t, Dc)
210 bar
Min Ambient Temperature
-20 C
Min Fluid Viscosity
2.8 mm²/s
Nominal Voltage
48 V DC
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Rated Current (48 V Dc)
0.66 A
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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