Bosch Rexroth | 4WRLE16V1-120M-3XG24ETK0A1M
4WRLE16V1-120M-3X/G24ETK0/A1M
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The 4WRLE16V1-120M-3X/G24ETK0/A1M valve is produced by Bosch Rexroth for the 4WRL Solenoid Valves series and serves as a proportional actuator in hydraulic automation circuits. It follows the ISO 4401-07-07-0-05 mounting pattern, allowing direct installation on NG16 sub-plates. The spool identified by symbol V1 meters flow in both directions, and pilot oil is routed Internal/Internal so no external pilot line is necessary. Electrical control is supplied at 24 V DC, while a ±10 V input signal modulates the solenoid current for precise positioning. A fuse rated at 2.5 A time-lag protects the supply line, and total power demand does not exceed 40 VA. The enclosure is built to IP65, providing dust-tight sealing and protection against low-pressure water jets.
Hydraulic limits permit 350 bar on ports P, A, and B, 270 bar on port X, and 210 bar on ports T and Y, enabling the valve to withstand typical system pressures. Stable operation requires a minimum pilot pressure of 10 bar so the control spool can shift fully under load. The electronics tolerate a residual ripple up to 2.5 Vpp without performance loss, ensuring compatibility with unfiltered power supplies. All dynamic seals are manufactured from NBR to resist common hydraulic fluids. The assembly weighs 12 kg, which should be considered when sizing mounting hardware and handling equipment.
Technical Specifications
Fuse Rating
2.5 A (time-lag)
Input Signal (a1)
±10 V
Max Operating Pressure P, A, B
350 bar
Max Power Consumption
40 VA
Max Pressure Port X
270 bar
Max Pressure Ports T, Y
210 bar
Max Residual Ripple
2.5 Vpp
Minimum Pilot Pressure
10 bar
Mounting Pattern
ISO 4401-07-07-0-05
Pilot Oil Configuration
Internal/Internal
Protection Class
IP 65
Seal Material
NBR
Size
NG16
Spool Symbol
V1
Supply Voltage
24 V DC
Weight
12 kg
1620 Old Apex Road
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