Bosch Rexroth | 4WE6HB6XEG24N9K72L-AN
4WE6HB6X/EG24N9K72L AN
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The 4WE6HB6X/EG24N9K72L AN directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series and diverts pressurized oil to actuators in automated hydraulic systems. It operates on a nominal supply of 24 V DC, tolerating ±10 % fluctuation so control cabinets can share common power rails. At that voltage the coil draws 1.25 A and dissipates 30 W, values used to size fuses and conductors. A 100 % duty cycle permits the solenoid to remain energized continuously during long machine cycles. Ports P, A, and B handle working pressures up to 350 bar, whereas the tank port is limited to 210 bar to protect return-line components. The spool passes up to 80 l/min, supporting medium-flow cylinders and motors without excessive pressure loss.
The electrical interface uses an M12 × 1 four-pin connector designated K72L; its housing provides IP65 ingress protection against dust and water spray in factory environments. Class F insulation in the coil withstands elevated temperatures that arise during continuous service. A concealed manual override identified by code N9 allows mechanical shifting when power is absent and remains safe with tank pressures up to 50 bar. The valve can switch up to 4.2 cycles per second, enabling rapid sequence control in manifold assemblies. Mounting follows the ANSI B93.9 porting pattern for direct interchange with standard CETOP 03 subplates. System fluid should meet ISO 4406 cleanliness class 20/18/15 to limit wear and maintain reliable spool positioning.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Connector Type
M12x1 4-Pin (K72L)
Duty Cycle
100%
Ingress Protection (k72l)
IP65
Insulation Class (dc)
F
Manual Override
Concealed (N9)
Manual Override Max Tank Pressure
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Operating Pressure (t, Dc)
210 bar
Max Switching Frequency (dc)
4.2 1/s
Nominal Power (dc)
30 W
Nominal Voltage
24 V DC
Porting Pattern
ANSI B93.9
Rated Current (24 Vdc)
1.25 A
Voltage Tolerance
±10%
1620 Old Apex Road
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