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The 4WE6D6X/EG24N9K4QMBG24/62 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. Designed to route hydraulic fluid between pressure, tank, and actuator lines, it fits a size 6 interface and follows the ISO 4401-03-02-0-05 mounting pattern for easy manifold installation. A locating hole with a locking pin compliant with ISO 8752-3x8-St keeps the body aligned during assembly. The unit includes a concealed N9 manual override that allows emergency actuation when power is unavailable; this override can be used while tank pressure remains below 50 bar. Spool position monitoring is provided through a QM “b” switch rated for 24 V feedback, supporting closed-loop machine control. Electrical power reaches the solenoid through a K4 connector that meets DIN EN 175301-803, and continuous service is possible because the electromagnet is specified for a 100 % S1 duty cycle.
Control electronics supply the valve with a nominal 24 V DC, and the coil draws 1.25 A, corresponding to a nominal power consumption of 30 W; safe operation is maintained as long as the supply stays within a ±10 % voltage window. When energized, the spool can switch up to 4.2 times per second, enabling responsive directional changes in automated hydraulic loops. The hydraulic section supports flow rates up to 80 l/min at direct current operation while holding line pressures of 350 bar on ports P, A, and B. Return flow to tank is limited to 210 bar to protect downstream components. Overall performance remains stable because all electrical and hydraulic figures are matched to the size-6 envelope and the solenoid’s thermal design.
Duty Cycle
100% (S1)
Electrical Connection
K4 (DIN EN 175301-803)
Locating Hole
With Locking Pin (ISO 8752-3x8-St)
Manual Override
Concealed (N9)
Manual Override Max Tank Pressure
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Pressure (t)
210 bar
Max Switching Frequency
4.2 1/s
Mounting Pattern
ISO 4401-03-02-0-05
Nominal Power
30 W
Nominal Voltage
24 V DC
Rated Current (24 V Dc)
1.25 A
Size
6
Spool Position Monitoring
QM 'b' (24 V)
Voltage Tolerance
±10%
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