Bosch Rexroth | 4WRLE16W1-200M-3XG24EK0A1WX02M-779
4WRLE16W1-200M-3X/G24EK0/A1WX02M-779
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The 4WRLE16W1-200M-3X/G24EK0/A1WX02M-779 is a proportional solenoid valve produced by Bosch Rexroth within the 4WRL Solenoid Valves series. It modulates hydraulic flow in closed-loop automation circuits and is built on the NG16 size platform to fit common manifold patterns. The electronics use a ±10 V command input so a motion controller can set the metering edge directly; the input stage presents 100 kΩ impedance to avoid loading analog outputs. A matching ±10 V measuring output provides feedback of spool position for diagnostic or control loops, and residual ripple is limited to 2.5 Vpp to maintain signal fidelity. The valve operates from a 24 VDC supply and draws 40 VA, permitting standard cabinet power supplies. Continuous operation is supported by a 100 % relative duty cycle, allowing the coil to remain energized without thermal derating.
For hydraulic performance, the valve is rated for 200 l/min while still maintaining accurate regulation, and it can pass up to 800 l/min when full capacity is required. Pilot circuits must supply at least 10 bar to shift the spool, and differential input voltage must stay below 18 V to protect the amplifier stage. Ports A, B, and P withstand 350 bar, return ports T and Y are limited to 210 bar, and port X tolerates 270 bar, enabling integration into high-pressure systems with separate drain lines. An IP65 protection class safeguards the housing against dust and water jets, ensuring reliable service in industrial environments.
Technical Specifications
Command Input (a1)
±10 V
Input Impedance (a1)
100 kΩ
Max Diff Input Voltage
18 V
Max Pressure At A/b/p
350 bar
Max Pressure At T/y
210 bar
Max Pressure At X
270 bar
Maximum Flow
800 l/min
Measuring Output
±10 V
Minimum Pilot Pressure
10 bar
Power Consumption
40 VA
Protection Class
IP65
Rated Flow
200 l/min
Relative Duty Cycle
100%
Residual Ripple Max
2.5 Vpp
Size
NG16
Supply Voltage
24 VDC
1620 Old Apex Road
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