Bosch Rexroth | 4WE6HB6XEG24N9DK24L262SO43A-1791
4WE6HB6X/EG24N9DK24L2/62SO43A-1791
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The 4WE6HB6X/EG24N9DK24L2/62SO43A-1791 directional spool valve belongs to the WE Directional Spool Valves series and is manufactured by Bosch Rexroth for hydraulic automation where precise on-off control of flow paths is required. It is built to nominal size 6, defining the envelope and flow passages suited to compact manifolds. The porting pattern complies with ISO 4401-03-02-0-05 so the valve bolts directly to standard sub-plates without adapters. A maximum operating pressure of 350 bar at ports p, a, and b allows the unit to work in high-pressure circuits, while the direct-current version carries up to 80 l/min to cover medium-flow actuators. The solenoid coil operates on a 24 V DC nominal voltage; a ±10 % tolerance ensures reliable switching under common supply variations. Bosch Rexroth recommends a 48 V suppressor voltage to limit switching transients, and the coil draws 30 W so cabinet thermal calculations can be set accurately.
The valve uses an M12x1 four-pole connector with an LED, identified as DK24L, to combine power delivery with visual energization feedback. Continuous energization is permissible because the duty cycle is 100 % ED (S1), supporting long holding periods in automation cycles. An IP65 ingress rating protects the housing from dust and water jets, and protection class III under VDE 0580 provides safety isolation from hazardous voltages. Hydraulic fluid must meet ISO 4406 cleanliness class 20/18/15 to keep the spool and damping slots free of abrasive wear. A concealed manual override marked N9 lets technicians shift the spool during maintenance without exposing moving parts. Alignment on the manifold is achieved through the ISO 8752-3x8-St locating hole. The return line can withstand up to 210 bar at port t in direct-current operation, preventing damage from elevated back-pressure.
Technical Specifications
Connector
M12x1 4‑pole with LED (DK24L)
Duty Cycle
100% ED (S1)
Fluid Cleanliness Class
ISO 4406 20/18/15
Ingress Protection
IP65
Locating Hole
ISO 8752‑3x8‑St
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Tank Pressure (t, Dc)
210 bar
Nominal Power
30 W
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Protection Class (vde 0580)
III
Recommended Suppressor Voltage
48 V
Voltage Tolerance
±10%
1620 Old Apex Road
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