Bosch Rexroth | 4WRLE25W1Z350SJ-3XG24EK0A1M
4WRLE25W1Z350SJ-3X/G24EK0/A1M
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The 4WRLE25W1Z350SJ-3X/G24EK0/A1M is manufactured by Bosch Rexroth in the 4WRL Solenoid Valves series for closed-loop hydraulic automation. It occupies nominal size NG25 so it fits manifolds designed for 25 mm porting in medium-flow circuits. A supply voltage of 24 VDC energizes the solenoid and internal electronics to position the spool. The ±10 V analog command value input enables proportional control from standard motion controllers. Under 5 bar across each control edge the valve delivers a rated flow of 350 l/min, while a maximum flow of 1250 l/min is possible when higher differential pressure is present. Pilot operation requires a minimum pilot pressure of 10 bar to ensure stable spool movement. Electrical consumption is limited to 40 VA so cabinet power supplies do not need oversizing. Continuous operation is supported by a relative duty cycle of 100%, permitting the valve to remain energized without thermal cycling.
Environmental protection equals IP65, sealing the housing against dust and water jets for machine-side mounting. A time-lag fuse rated at 2.5 A safeguards the incoming power line against overcurrent faults. The hydraulic cover withstands 280 bar at port X, allowing safe connection to high-pressure pilot lines. Ports T and Y tolerate up to 250 bar so return flow can be routed without separate pressure relief devices. An overlap jump of 5% creates a defined deadband that minimizes unintended flow during command zero. Hysteresis remains below 0.1%, improving repeatability when the command signal changes direction. Response sensitivity below 0.05% supports fine position adjustments for precise actuator velocity control. Input stages accept residual ripple up to 2.5 Vpp, enabling operation on power supplies with moderate filtering.
Technical Specifications
Command Value Input
±10 V (A1)
Fuse Protection
2.5 A (time-lag)
Hysteresis
<0.1%
Max Power Consumption
40 VA
Max Pressure Port X
280 bar
Max Pressure Ports T,y
250 bar
Max Residual Ripple
2.5 Vpp
Maximum Flow
1250 l/min
Minimum Pilot Pressure
10 bar
Nominal Size
NG25
Overlap Jump
5%
Protection Class
IP65
Rated Flow (5 Bar/control Edge)
350 l/min
Relative Duty Cycle
100%
Response Sensitivity
<0.05%
Supply Voltage
24 VDC
1620 Old Apex Road
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