Bosch Rexroth | 4WE6MA6XEW110N9V62SO43A-1221B
4WE6MA6X/EW110N9/V/62SO43A-1221B
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The 4WE6MA6X/EW110N9/V/62SO43A-1221B directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It switches hydraulic flow paths in automated circuits and is offered in size 6 to match compact manifold stacks. A porting pattern of ISO 4401-03-02-0-05 aligns the valve body with common subplates for quick installation. The spool can pass up to 60 l/min, allowing medium flow actuators to operate without restriction, while a maximum operating pressure of 350 bar on ports A, B, and P keeps cylinders and motors supplied under high load. Return flow is limited to 160 bar at the tank port so back-pressure stays within seal limits. Hydraulic fluid may enter at temperatures from –15 °C to +80 °C, and the FKM sealing material maintains elasticity across this range, preserving leak-free service in mineral or synthetic oils.
The solenoid assembly is energized by a 110 V AC supply at 50 or 60 Hz, drawing 0.52 A on 50 Hz networks and 0.39 A on 60 Hz lines, so panel designers can size fuses accurately. Class H insulation supports winding temperatures up to the permitted coil surface limit of 120 °C, and a switch-off overvoltage rating of 500 V protects driver electronics from inductive spikes during de-energization. A concealed N9 manual override lets maintenance staff reposition the spool without energizing the coil, aiding troubleshooting. System cleanliness must be maintained at ISO 4406 20/18/15 to prevent wear on the metering edges. Ambient air around the valve can range between –15 °C and +50 °C, ensuring reliable duty in standard machine shops. These electrical and environmental limits complete the specification set necessary for integrating the valve into automated hydraulic equipment.
Technical Specifications
Ambient Temp (fkm)
-15 to +50 C
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
110 V AC (50/60 Hz)
Hydraulic Fluid Temp (fkm)
-15 to +80 C
Insulation Class (ac)
H
Manual Override
Concealed (N9)
Max Coil Surface Temp
120 C
Max Flow (ac)
60 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (ac)
160 bar
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (50 Hz)
0.52 A
Rated Current (60 Hz)
0.39 A
Seal Material
FKM (V)
Size
6
1620 Old Apex Road
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