Bosch Rexroth | 4WE6J73-6XEG24N9K4A12-CSA
4WE6J73-6X/EG24N9K4/A12 CSA
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The 4WE6J73-6X/EG24N9K4/A12 CSA is produced by Bosch Rexroth within the WE Directional Spool Valves series. It directs hydraulic flow to actuators for automation tasks in mobile and industrial equipment. The valve uses an ISO 4401-03-02-0-05 mounting interface so it bolts to a standard subplate and aligns with existing port geometry. Its NFPA D03 size further matches common manifold patterns in North American installations. Ports A, B, and P tolerate operating pressure up to 350 bar, enabling use in high-pressure circuits. The solenoid section is designed for a 24 V DC nominal supply and draws 1.25 A during steady energization, allowing direct connection to PLC outputs or relay drivers. A DIN EN 175301-803 three-pin connector provides quick electrical termination and consistent sealing. The coil surface may reach 120 °C under continuous duty, so surrounding components must be rated accordingly. An IP65 enclosure rating protects the coil and wiring against dust ingress and low-pressure water jets.
The valve passes up to 80 l/min of flow in direct current operation, supporting medium-size cylinders and motors without excessive pressure drop. Port T resists tank backpressure to 210 bar, maintaining safe return flow in systems with back-pressure accumulators or long lines. A concealed manual override permits mechanical shifting when power is lost, and this function can be engaged only when tank pressure stays below 50 bar to avoid seal damage. Fluid cleanliness must meet ISO 4406 code 20/18/15 to prevent spool sticking and premature wear. With both solenoids installed the assembly weighs 1.95 kg, light enough for compact manifold stacks. The calculated mean time to dangerous failure is 300 years, indicating a very low probability of unsafe malfunction during its service life.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Max Surface Temperature
120 C
Coil Rated Current
1.25 A
Electrical Connector
DIN EN 175301-803 (3-pin)
Manual Override
Concealed
Manual Override Tank Pressure Max
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (ports A/b/p)
350 bar
Max Tank Pressure (port T, Dc)
210 bar
Mounting Interface
ISO 4401-03-02-0-05
Mttfd
300 years
Nfpa Size
D03
Nominal Voltage
24 V DC
Protection Class (ip)
IP65
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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