Bosch Rexroth | 4WRLE16WZ180SJ-3XG24ETK0A1WX02M-747
4WRLE16WZ180SJ-3X/G24ETK0/A1WX02M-747
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The 4WRLE16WZ180SJ-3X/G24ETK0/A1WX02M-747 valve is produced by Bosch Rexroth for the 4WRL Solenoid Valves series and meters hydraulic flow in closed-loop motion axes used in automation systems. It accepts a ±10 V command input at terminal a1 so a controller can issue symmetrical position or force references, and the 100 kΩ input resistance minimizes load on the control amplifier. A 24 VDC supply powers the onboard electronics, while terminal A may vary between 19 VDC and 36 VDC to tolerate supply fluctuations. Maximum power draw is 40 VA, enabling compact power supplies. Continuous energization is possible because the duty cycle is 100 percent. A time-lag fuse rated at 2.5 A protects the incoming circuit against overcurrent events.
Internally the P, A, and B channels withstand 270 bar, allowing the unit to control high-pressure circuits, whereas ports T and Y are limited to 210 bar to protect return lines. A pilot pressure of at least 10 bar is required to shift the spool reliably. The enclosure carries an IP65 rating, sealing the electronics against dust and low-pressure water jets. Static hysteresis remains below 0.1 percent to support repeatable flow, and the range of inversion stays under 0.08 percent to reduce null drift. Residual ripple on the command signal is limited to 2.5 Vpp to prevent control instability, while response sensitivity better than 0.05 percent enables fine adjustment when the input changes minimally.
Technical Specifications
Command Input (a1)
±10 V
Duty Cycle (relative)
100%
Fuse Protection
2.5 A (time-lag)
Hysteresis
< 0.1%
Input Resistance (a1)
100 kΩ
Max Pressure P, A, B (internal)
270 bar
Max Pressure Ports T, Y
210 bar
Pilot Pressure (min)
10 bar
Power Consumption (max)
40 VA
Protection Class
IP65
Range Of Inversion
< 0.08%
Residual Ripple (max)
2.5 Vpp
Response Sensitivity
< 0.05%
Supply Voltage
24 VDC
Terminal A Voltage (max)
36 VDC
Terminal A Voltage (min)
19 VDC
1620 Old Apex Road
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