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The 4WRLE16WZ180SJ-3X/G24EK0/A1M-561 is a solenoid-actuated directional valve manufactured by Bosch Rexroth in the 4WRL Solenoid Valves series for hydraulic automation systems. The mounting size is NG16, and the porting pattern follows ISO 4401-07-07-0-05 so the valve can be fitted to standard subplates. A 24 VDC supply energizes the coil, while power consumption remains at 40 VA to limit cabinet load. The coil presents an input resistance of 100 kΩ and tolerates a maximum differential input voltage of 18 V, preventing signal overdrive. Continuous duty is enabled by a 100 % duty cycle, and the spool reaches full stroke in 85 ms for responsive control. All components are contained in a 12 kg housing that can be managed without lifting equipment.
The hydraulic section operates at pressures up to 350 bar on ports P, A, and B, with port X limited to 270 bar and ports T and Y to 210 bar, allowing appropriate staging between supply and return lines. Maximum flow is 800 l/min, supporting high-volume actuators, and the spool responds reliably with a minimum pilot pressure of 10 bar. System fluid must meet ISO 4406 cleanliness class 18/16/13 to protect internal clearances, and the enclosure is sealed to IP65 to resist dust and water spray. These pressure limits, flow capacity, environmental protections, and cleanliness requirements define the valve’s suitability for demanding industrial motion control tasks.
Actuating Time (0–100%, X=100 Bar)
85 ms
Cleanliness Class
ISO 4406 18/16/13
Duty Cycle
100%
Input Resistance (a1)
100 kΩ
Max Differential Input Voltage
18 V
Max Operating Pressure (p/a/b)
350 bar
Max Pressure Port X
270 bar
Max Pressure Ports T, Y
210 bar
Maximum Flow
800 l/min
Minimum Pilot Pressure
10 bar
Porting Pattern
ISO 4401-07-07-0-05
Power Consumption
40 VA
Protection Class
IP65
Size
NG16
Supply Voltage
24 VDC
Weight
12 kg
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