Bosch Rexroth | 4WE6W73-6XEG24N9K72LVSO9
4WE6W73-6X/EG24N9K72L/VSO9
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The 4WE6W73-6X/EG24N9K72L/VSO9 valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and is used to shift flow paths in hydraulic automation circuits. With nominal size 6, the body matches compact manifolds while still allowing a maximum flow of 80 l/min for medium-capacity actuators. The porting pattern follows ISO 4401-03-02-0-05 so the valve drops directly onto standardized subplates. Pressure limits are divided between 350 bar on ports P, A, and B and 210 bar on port T, enabling safe operation on both supply and tank lines. A continuous duty cycle of 100 % ED keeps the solenoids energized without thermal derating, and each coil draws 1.25 A from a 24 V DC supply whose tolerance is ±10 %, giving stable shifting under variable plant voltages. Electrical input power remains at 30 W, minimizing heat rise during prolonged cycles.
An M12×1 four-pin connector coded K72L provides quick electrical hookup and supports plug-and-play replacement in field service. The windings are built to insulation class F so the coil can withstand higher temperatures caused by frequent switching. The enclosure meets IP65, protecting internal parts from dust and low-pressure water jets that are common near hydraulic power units. Valve electronics tolerate up to 500 V of switch-off overvoltage to prevent damage from inductive spikes, and a switching frequency of 4.2 operations per second allows responsive motion control on rapid actuators. With both solenoids installed the assembly weighs 1.95 kg, light enough for stack mounting on compact machinery. These attributes round out the mechanical and electrical data needed to integrate the spool valve into closed-loop or manually operated hydraulic systems.
Technical Specifications
Duty Cycle
100% ED
Electrical Connection
M12x1, 4-pin (K72L)
Insulation Class (dc)
F
Ip Rating
IP65
Max Flow (dc)
80 l/min
Max Pressure (p/a/b)
350 bar
Max Pressure (t, Dc)
210 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (dc)
4.2 1/s
Nominal Power (dc)
30 W
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (24 Vdc)
1.25 A
Voltage Tolerance
±10%
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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