Bosch Rexroth | 4WRLE25W1Z350SJ-3XG24EK0A1M-744
4WRLE25W1Z350SJ-3X/G24EK0/A1M-744
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The 4WRLE25W1Z350SJ-3X/G24EK0/A1M-744 valve is manufactured by Bosch Rexroth for the 4WRL Solenoid Valves series and is used in hydraulic automation. It is built to the NG25 size and operates from a 24 VDC supply while receiving a ±10 V command input. Power demand peaks at 40 VA, and the supply must not exceed 2.5 Vpp residual ripple. A 2.5 A time-lag fuse protects the circuit, and the housing meets IP65 for dust and water spray resistance. Actuation from 0 to 100 % completes in 80 ms, consuming 6.8 cm³ of pilot oil, and reliable movement starts once 10 bar pilot pressure is available.
Hydraulic limits allow ports a, b, and p to operate at 350 bar when external pilot oil is used, while internal pilot supply restricts the same ports to 280 bar. Port X also tolerates 280 bar, and return ports T and y are limited to 250 bar. Under these pressure conditions the valve delivers a rated flow of 350 L/min across a 5 bar differential and can accommodate up to 1 250 L/min for large-volume circuits. These flow figures combine with the electronic features described earlier to give the 4WRLE25W1Z350SJ-3X/G24EK0/A1M-744 consistent proportional control in hydraulic automation tasks.
Technical Specifications
Actuating Time (0–100%)
80 ms
Command Input (a1)
±10 V
Fuse Rating
2.5 A (time-lag)
Max Operating Pressure (a,b,p External)
350 bar
Max Operating Pressure (a,b,p Internal)
280 bar
Max Operating Pressure (port X)
280 bar
Max Operating Pressure (ports T,y)
250 bar
Max Power Consumption
40 VA
Max Residual Ripple
2.5 Vpp
Maximum Flow
1250 l/min
Minimum Pilot Pressure
10 bar
Pilot Oil Volume (0–100%)
6.8 cm³
Protection Class
IP65
Rated Flow (Δp 5 Bar)
350 l/min
Size
NG25
Supply Voltage
24 VDC
1620 Old Apex Road
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