Bosch Rexroth | 4WRLE16EZ180SJ-3XG24TK0A1M
4WRLE16EZ180SJ-3X/G24TK0/A1M
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The 4WRLE16EZ180SJ-3X/G24TK0/A1M valve is produced by Bosch Rexroth as part of the 4WRL Solenoid Valves series and serves to regulate hydraulic flow in automated machinery. It runs on a 24 V DC supply voltage that matches common control cabinets, while the coil draws up to 40 VA so power supplies must be sized accordingly. Continuous energization is possible because the duty cycle is 100 percent, and a 2.5 A fuse rating protects the electrical circuit against overloads. An input impedance of 100 kΩ minimizes loading on the command source, and residual ripple is held below 2.5 Vpp to keep control signals clean. Actuating time from 0 to 100 percent stroke at 100 bar is 85 ms, providing quick spool movement for responsive loops. Maximum hysteresis is limited to 0.1 percent, ensuring the commanded flow is consistent in both directions.
The valve delivers a rated flow of 250 l/min with a 5 bar differential and can pass up to 800 l/min when higher pressure loss is acceptable. The pilot stage consumes 3.5 l/min of oil and requires a minimum pilot pressure of 10 bar to shift the main spool. Combined main and pilot leakage is 0.28 l/min, which keeps standby losses low. Hydraulic fluid temperature may reach 70 °C without impairing performance, aligning with standard mineral oil ranges. An IP65 protection class shields the enclosure from dust and water jets when the connector is properly sealed, making field installation straightforward. The complete assembly weighs 12 kg, so mounting hardware must support that mass during operation and maintenance.
Technical Specifications
Actuating Time 0–100% (x=100 Bar)
85 ms
Duty Cycle
100%
Fuse Rating
2.5 A
Hydraulic Fluid Temp (max)
70 °C
Hysteresis (max)
0.1%
Input Impedance (a1)
100 kΩ
Leakage (main + Pilot)
0.28 l/min
Maximum Flow
800 l/min
Minimum Pilot Pressure
10 bar
Pilot Oil Flow
3.5 l/min
Power Consumption (max)
40 VA
Protection Class
IP65
Rated Flow (∆p=5 Bar)
250 l/min
Residual Ripple (max)
2.5 Vpp
Supply Voltage
24 V DC
Weight
12 kg
1620 Old Apex Road
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