Bosch Rexroth | 4WE6E6XEW110N9DK25LV62SO43A-1750
4WE6E6X/EW110N9DK25L/V/62SO43A-1750
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The 4WE6E6X/EW110N9DK25L/V/62SO43A-1750 is a directional spool valve in the WE Directional Spool Valves series manufactured by Bosch Rexroth. It shifts flow paths in hydraulic automation circuits by energizing a solenoid that is supplied with 110 V AC at either 50 or 60 Hz. Under those frequencies the coil draws 0.52 A and 0.39 A respectively, enabling predictable power sizing. Electrical connection is made through a DK25L five-pole plug, and the windings are built to insulation class H so that dielectric strength is retained under elevated temperatures. A maximum coil surface temperature of 120 °C is accepted before thermal limits are reached, while a switch-off overvoltage of up to 500 V can be tolerated without damaging the insulation system. Environmental sealing is defined by an IP65 rating, preventing dust ingress and water jets from reaching internal parts. With two solenoids installed the unit weighs 1.95 kg, allowing straightforward manifold mounting.
Hydraulic performance is centered on a maximum operating pressure of 350 bar at ports P, A, and B, supporting high-pressure actuation tasks, while the tank port is limited to 160 bar to protect return-line components. The valve can pass up to 60 l/min, matching medium-flow power units found in industrial machinery. FKM sealing elements are fitted to resist common hydraulic oils and to maintain integrity across a fluid temperature window from –15 °C to 80 °C. Fluid cleanliness must not exceed ISO 4406 class 20/18/15, ensuring that spool clearances remain free of abrasive contamination and that the seal edges are not eroded. Together these limits on pressure, temperature, flow, and contamination define the operating window for reliable directional control in hydraulic automation systems.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Electrical Connector
DK25L (5‑pole)
Hydraulic Fluid Temp Max (fkm)
80°C
Hydraulic Fluid Temp Min (fkm)
-15°C
Ingress Protection
IP65
Insulation Class (ac)
H
Max Coil Surface Temperature
120°C
Max Flow (ac)
60 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Switch-off Overvoltage
500 V
Rated Current (50 Hz)
0.52 A
Rated Current (60 Hz)
0.39 A
Seal Material
FKM
Supply Voltage
110 V AC (50/60 Hz)
Tank Port Max Pressure (ac)
160 bar
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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