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The 4WE6W6X/EG24N9/62SO43A-1221A directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series and routes pressurized oil to cylinders or motors in automated hydraulic systems. It is manufactured to nominal size 6 and matches the NFPA T3.5.1 D03 interface, which lets it mount directly to standard subplates. Service, pump, and actuator lines can operate at pressures up to 350 bar, while the flow path accommodates 80 l/min in direct-current operation to keep cycle times short. A clamping length of 42 mm fixes the housing firmly in a manifold stack, and a concealed N9 manual override permits spool shifting without energizing the coil during setup or troubleshooting.
The solenoid assembly works on a 24 VDC supply and draws a rated current of 1.25 A, giving the magnetic force needed for reliable spool movement. Windings are built to insulation class F so they withstand elevated temperatures caused by continuous duty. Coil surface temperature is allowed to rise to 120 °C without risking insulation damage, and the circuit tolerates switch-off overvoltages up to 500 V to protect control electronics. Return flow can enter the tank port at pressures as high as 210 bar, allowing the valve to handle back-pressure conditions common in regenerative circuits. Together these characteristics support dependable performance in hydraulic automation tasks.
Clamping Length
42 mm
Coil Insulation Class (dc)
F
Coil Voltage
24 VDC
Interface Standard
NFPA T3.5.1 D03
Manual Override
Concealed (N9)
Max Coil Surface Temperature
120 C
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (dc)
210 bar
Nominal Size
6
Rated Coil Current (24 Vdc)
1.25 A
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