Bosch Rexroth | 4WE6D73-6XOFEG24N9K4A12B12
4WE6D73-6X/OFEG24N9K4/A12B12
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The 4WE6D73-6X/OFEG24N9K4/A12B12 directional spool valve is produced by Bosch Rexroth as part of the WE Directional Spool Valves series. It shifts hydraulic flow paths to start, stop, or reverse actuators in automated machinery. The coil operates on a nominal voltage of 24 V DC, and a voltage tolerance of ±10 % keeps switching reliable when supply levels fluctuate. A 30 W power draw limits heat generation, while a permitted coil surface temperature of 120 °C defines its thermal ceiling during continuous duty. The 100 % ED rating allows the solenoid to remain energized indefinitely. Electrical connection is made through a K4 plug according to DIN EN 175301-803, and an IP65 enclosure prevents dust and water jets from reaching internal parts. A concealed manual override designated N9 provides local spool actuation without exposed projections.
For the DC solenoid version, the valve passes up to 80 l/min of hydraulic flow. Pressure capability reaches 350 bar at ports P, A, and B, while the tank port tolerates 210 bar so return surges remain within safe limits. Installation uses the ISO 4401-03-02-0-05 port pattern for compatibility with standard sub-plates. Flow conditioning is assisted by a 1.2 mm throttle insert in port A and another 1.2 mm insert in port B, which smooth spool transitions. The assembly weighs 1.95 kg, allowing manual handling and placement in compact manifold blocks.
Technical Specifications
Coil Surface Temperature
120 °C
Duty Cycle
100% ED
Electrical Connector
K4 (DIN EN 175301-803)
Ingress Protection
IP65
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Tank Port Pressure (t)
210 bar (DC)
Nominal Power (dc)
30 W
Nominal Voltage
24 V DC
Port Pattern
ISO 4401-03-02-0-05
Throttle Insert (port A)
1.2 mm
Throttle Insert (port B)
1.2 mm
Voltage Tolerance
±10%
Weight
1.95 kg
1620 Old Apex Road
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