Bosch Rexroth | 4WE6D6XEG24N9K4QMBG24-CSA
4WE6D6X/EG24N9K4QMBG24 CSA
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The 4WE6D6X/EG24N9K4QMBG24 CSA directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic flow to selected circuits in automation systems and allows remote actuation by electrical control. The valve uses a wet-pin solenoid to shift its D type spool, ensuring reliable movement while fully immersed in hydraulic fluid. For consistent electrical supply, the coil operates at 24 V DC and draws a rated current of 1.25 A, giving a nominal power demand of 30 W. The hydraulic interface follows the ISO 4401-03-02-0-05 pattern, also known as NFPA D03, so it mounts on standard NG6 subplates. Nominal size 6 passages provide the flow area suited to compact machines, and overall assembly weight is 1.45 kg which supports easy handling during manifold installation.
The enclosure achieves IP65 protection when the K4 connector is fitted, preventing dust ingress and guarding against low-pressure water jets. A concealed N9 manual override permits emergency spool actuation, and its return line must not exceed 50 bar. The valve sustains system pressures up to 350 bar on ports P, A, and B, while the tank port and direct current operation are limited to 210 bar. Hydraulic capacity reaches 80 l/min in direct current service, supporting medium-flow circuits without excessive pressure drop. Spool position “b” is monitored by an inductive QM sensor, delivering non-contact feedback to the control system. These features combine to support accurate status reporting, safe manual intervention, and dependable sealing in demanding mobile or industrial hydraulic automation.
Technical Specifications
Actuation Type
Wet-Pin Solenoid
Coil Voltage
24 V DC
Ingress Protection
IP65 (with K4 connector)
Manual Override
Concealed (N9)
Manual Override Tank Limit
50 bar
Max Pressure (p, A, B)
350 bar
Max Pressure (t, Dc)
210 bar
Maximum Flow (dc)
80 l/min
Monitored Position
Spool "b" (QMB)
Mounting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Nominal Power (dc)
30 W
Nominal Size
6 (NG6)
Position Switch Type
Inductive (QM)
Rated Current At 24 V
1.25 A
Spool Type
D
Weight
1.45 kg
1620 Old Apex Road
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