Bosch Rexroth | 4WE6RB6XEG12N9K4QMBG24
4WE6RB6X/EG12N9K4QMBG24
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The 4WE6RB6X/EG12N9K4QMBG24 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. The unit routes pressurized fluid in hydraulic automation circuits where electrically shifted spools control actuator motion. It is built in size 6 and follows the ISO 4401-03-02-0-05 porting pattern so it fits standard subplates. A spool coded R in position B defines the flow paths that are established when the solenoid is energized. The maximum operating pressure on ports P, A, and B reaches 350 bar, while the tank port tolerates up to 210 bar, allowing the valve to run in medium-to-high pressure systems. Continuous duties are supported by a coil that accepts 12 V DC and draws 2.5 A, with a nominal power requirement of 30 W. The solenoid is rated for a 100 % duty cycle, so repeated switching does not cause thermal overload. Electrical termination is handled through a K4 rectangular connector compliant with DIN EN 175301-803.
The valve permits a steady flow of up to 80 l/min in direct-current operation and can change state at a maximum rate of 4.2 switches per second, enabling responsive control of cylinders or motors. A concealed N9 manual override lets maintenance staff reposition the spool mechanically when power is unavailable without exposing moving parts. The integrated QM position switch monitors spool location and is powered by a dedicated 24 V DC supply, providing feedback to the machine’s PLC for status verification. Because the electromagnetic actuator is tailored for air-free oil channels, the unit maintains predictable timing throughout its entire switching frequency range. Together, the pressure ratings described earlier, the high permissible flow, and the continuous-duty solenoid combine to make this valve suitable for compact manifolds in mobile or stationary equipment.
Technical Specifications
Coil Voltage
12 V DC (G12)
Duty Cycle
100% ED
Electrical Connection
K4 (DIN EN 175301-803)
Manual Override
N9 (Concealed)
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (dc)
210 bar
Nominal Power (dc)
30 W
Porting Pattern
ISO 4401-03-02-0-05
Position Switch Supply
24 V DC
Position Switch Type
QM
Rated Current (12 V Dc)
2.5 A
Spool Position
B
Spool Symbol
R
Valve Size
6
1620 Old Apex Road
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