Bosch Rexroth | 4WE6J6XEG24N9DK25L2B10SO43A-1778
4WE6J6X/EG24N9DK25L2/B10SO43A-1778
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The 4WE6J6X/EG24N9DK25L2/B10SO43A-1778 is a directional spool valve in the WE Directional Spool Valves series from Bosch Rexroth, intended to switch flow paths in hydraulic automation circuits. It is supplied in valve size 6, and its subplate interface follows the ISO 4401-03-02-0-05 porting pattern. Compatibility with North American manifolds is maintained through the NFPA T3.5.1 R2-2002 D03 mounting style. Electrical power reaches the twin solenoids through a DK25L five-pole plug, supporting straightforward field wiring. Each coil operates at a nominal 24 V DC and draws 1.25 A when energized, while an internal suppression network limits switch-off overvoltage to 500 V. Continuous service can raise the coil surface to 120 °C, so adequate ventilation is required. A concealed manual override identified as N9 lets maintenance personnel shift the spool mechanically without extending beyond the valve envelope.
Pressure limits for ports P, A, and B reach 350 bar, and the tank port safely handles 210 bar during direct current operation. The valve accommodates flows up to 80 l/min, with a 1.0 mm throttle orifice in port P moderating acceleration to reduce hydraulic shock. An IP65 enclosure prevents dust ingress and low-pressure water jets from affecting internal components when the connector is fitted. System fluid must meet cleanliness class 20/18/15 under ISO 4406 to avoid spool scoring and seal damage. The assembly with two solenoids weighs 1.95 kg, allowing easy installation in compact actuator blocks.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Electrical Connection
DK25L (5-Pole)
Ingress Protection
IP65
Manual Override
Concealed (N9)
Max Coil Surface Temperature (dc)
120 °C
Max Operating Pressure (p, A, B)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (dc)
210 bar
Maximum Flow (dc)
80 l/min
Nfpa Mounting
T3.5.1 R2-2002 D03
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (24 V Dc)
1.25 A
Throttle Orifice (port P)
1.0 mm
Valve Size
6
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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