Bosch Rexroth | 4WRLE35E1100SJ-3XG24EK0A1WX02M-745
4WRLE35E1100SJ-3X/G24EK0/A1WX02M-745
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The 4WRLE35E1100SJ-3X/G24EK0/A1WX02M-745 valve belongs to the 4WRL Solenoid Valves series manufactured by Bosch Rexroth for closed-loop hydraulic automation. It accepts a 24 VDC supply so the on-board electronics can drive the solenoid without external converters. A command value range of ±10 V allows proportional control from standard motion controllers, while the 100 kΩ input impedance keeps the interface from loading the signal source. Response sensitivity is below 0.05 %, giving fine resolution when adjusting flow, and hysteresis remains under 0.1 % to hold a setpoint with minimal drift. The armature reaches its full stroke in 100 ms at 100 bar, supporting rapid cycle work. Electrical demand peaks at 40 VA, which helps size power supplies. A 50 mm port diameter permits high volume transfer through the main stage.
The hydraulic section is dimensioned for demanding circuits, with a maximum flow of 4700 l/min so large actuators can move at rated speed. At a differential of 5 bar per control edge the valve passes 1000 l/min, giving predictable throttling behavior. Spool movement is powered by a pilot oil flow of 23 l/min, and operation stays reliable once pilot pressure reaches the 10 bar minimum. Return ports t and Y tolerate up to 250 bar, while port X can be supplied with pilot pressure as high as 280 bar. Internal leakage is limited to 0.61 l/min through the main stage and 1.01 l/min including the pilot stage, controlling heat generation and oil loss.
Technical Specifications
Actuating Time 0–100% (x=100 Bar)
100 ms
Command Value Input (a1)
±10 V
Hysteresis
<0.1%
Input Impedance (a1)
100 kΩ
Max Leakage (main, E/e1)
0.61 l/min
Max Leakage (main+pilot, E/e1)
1.01 l/min
Max Operating Pressure (t, Y)
250 bar
Max Power Consumption
40 VA
Max Pressure Port X
280 bar
Maximum Flow
4700 l/min
Minimum Pilot Pressure
10 bar
Pilot Oil Flow (e/e1)
23 l/min
Port Diameter (p, A, B, T)
50 mm
Rated Flow (Δp=5 Bar/control Edge)
1000 l/min
Response Sensitivity
<0.05%
Supply Voltage
24 VDC
1620 Old Apex Road
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