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Bosch Rexroth | 4WE6EB6XEG125N9K4QMBG24

4WE6EB6X/EG125N9K4QMBG24

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The 4WE6EB6X/EG125N9K4QMBG24 valve belongs to the WE Directional Spool Valves series manufactured by Bosch Rexroth for hydraulic automation systems that require dependable flow reversal. As a size 6 unit, it fits compact manifolds without increasing envelope dimensions. The ISO 4401-03-02-0-05 mounting interface matches standard subplates, allowing quick replacement without re-machining. Four working ports provide connections for pressure, tank, and two actuator lines to achieve bidirectional cylinder control. Ports P, A, and B withstand operating pressures up to 350 bar, so the valve can serve high-pressure circuits, while the tank port endures 210 bar to manage elevated return pressure. A maximum flow capacity of 80 l/min keeps actuators supplied without excessive pressure drop. The solenoid coil is rated at 30 W and may run continuously under a 100 % duty cycle, preventing thermal overload during long actuation periods.


The electrical termination uses a K4 connector according to DIN EN 175301-803, simplifying field wiring with a molded plug, and the assembled enclosure meets IP65 to block dust and water jets. The coil operates on a nominal 125 V DC supply and draws 0.17 A, fitting common control-panel power budgets, while a ±10 % voltage tolerance lets the valve remain functional during supply fluctuations. A concealed manual override labeled N9 allows service personnel to shift the spool when power is unavailable. Integrated QM position monitoring on spool B feeds a confirmation signal to safety controllers, and the sensor requires a 24 V DC supply that aligns with standard machine I/O rails. These electrical features provide feedback, environmental protection, and manual fallback capability to maintain reliable directional control in automated hydraulic equipment.

Technical Specifications

Duty Cycle
100% ED

Electrical Connection
K4 (DIN EN 175301-803)

Ingress Protection (k4)
IP65

Manual Override
Concealed (N9)

Max Flow (dc)
80 l/min

Max Operating Pressure (p,a,b)
350 bar

Max Tank Port Pressure (dc)
210 bar

Mounting Interface
ISO 4401-03-02-0-05

Nominal Power (dc Solenoid)
30 W

Number Of Ports
4

Position Monitor Supply
24 V DC

Position Monitoring
QM (Spool B)

Rated Current (125 V)
0.17 A

Size
6

Solenoid Nominal Voltage
125 V DC

Voltage Tolerance
±10%

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