Bosch Rexroth | 4WE6J6XEW110N9DA62SO43A-1750
4WE6J6X/EW110N9DA/62SO43A-1750
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The 4WE6J6X/EW110N9DA/62SO43A-1750 directional spool valve is manufactured by Bosch Rexroth and belongs to the WE Directional Spool Valves series. It directs flow in hydraulic automation circuits and is rated for a continuous duty cycle of 100 % ED so the coil can stay energized without interruption. The solenoid works at 110 V AC and 50/60 Hz, and it tolerates line variations of ±10 %. A switch-on power demand of 220 VA shifts the spool, after which holding power falls to 50 VA to reduce thermal load. Electrical transients are limited by a maximum switch-off overvoltage of 500 V. A concealed manual override identified by the N9 code lets technicians move the spool during setup or power loss, and coil surface temperature may reach 120 °C during prolonged operation.
The valve withstands 350 bar at ports a, b, and p, while the tank port handles 160 bar to suit high-pressure return lines. It passes up to 60 l/min through ports a and c, matching medium-flow systems. NBR seals provide compatibility with standard mineral oils, and system fluid must meet ISO cleanliness class 20/18/15 to keep the spool free of contamination. Secure mounting requires screws tightened to 7 Nm, preventing interface distortion. The mean time to dangerous failure is 300 years, indicating very low failure probability.
Technical Specifications
Duty Cycle
100% ED
Holding Power
50 VA
Iso Cleanliness Class
20/18/15
Manual Override
Concealed (N9)
Max Coil Surface Temperature
120 °C
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (ac)
160 bar
Maximum Flow (ac)
60 l/min
Mounting Screw Tightening Torque
7 Nm
Mttfd Value
300 years
Rated Voltage
110 V AC (50/60 Hz)
Seal Material
NBR
Switch-on Power
220 VA
Voltage Tolerance
±10%
1620 Old Apex Road
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