Bosch Rexroth | 4WRLE25WZ350SJ-3XG24EK0A1WX02M-748
4WRLE25WZ350SJ-3X/G24EK0/A1WX02M-748
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The 4WRLE25WZ350SJ-3X/G24EK0/A1WX02M-748 valve is manufactured by Bosch Rexroth for the 4WRL Solenoid Valves series and modulates flow and pressure in hydraulic automation circuits. It is built to the nominal size NG 25 so port geometry matches standard manifold patterns. A supply voltage of 24 VDC energizes the solenoids, while a ±10 V command signal provides proportional spool positioning from the control system. Maximum power consumption is limited to 40 VA, keeping cabinet loading predictable. An actuating time of 80 ms from 0 to 100 percent stroke allows rapid adjustment during machine cycles. Response sensitivity remains below 0.05 percent so the spool reacts to small input changes, and hysteresis stays under 0.1 percent to maintain repeatable positioning. The enclosure carries an IP65 protection class, allowing installation in wash-down or dusty environments without additional shielding.
Minimum pilot pressure is 10 bar, ensuring the pilot stage can shift the main spool under all load conditions. External supply lines to ports P, a, and b may operate up to 350 bar, whereas internal supply configurations are limited to 280 bar to protect embedded channels. Port X also withstands 280 bar, and ports T and Y handle return flows at up to 250 bar. The valve passes a rated flow of 350 l/min at a 5 bar differential, while maximum flow reaches 1 250 l/min when circuit losses permit. Range of inversion is below 0.08 percent, minimizing unintended flow reversal during null transitions and keeping axis motion stable.
Technical Specifications
Actuating Time 0–100%
80 ms
Command Signal
±10 V
Hysteresis
< 0.1 %
Max Power Consumption
40 VA
Maximum Flow
1250 l/min
Minimum Pilot Pressure
10 bar
Nominal Size
NG 25
Operating Pressure P/a/b (external)
350 bar
Operating Pressure P/a/b (internal)
280 bar
Operating Pressure Port X
280 bar
Operating Pressure Ports T, Y
250 bar
Protection Class
IP65
Range Of Inversion
< 0.08 %
Rated Flow (Δp 5 Bar)
350 l/min
Response Sensitivity
< 0.05 %
Supply Voltage
24 VDC
1620 Old Apex Road
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