Bosch Rexroth | 4WRA6E03-2XG24N9K4V
4WRA6E03-2X/G24N9K4/V
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The 4WRA6E03-2X/G24N9K4/V proportional directional valve belongs to the 4WRA Proportional Directional Valves series and is produced by Bosch Rexroth for electrically driven hydraulic automation. Its subplate mounting interface lets service personnel swap the body without breaking pipe joints, while the ISO 4401-03-02-0-05 porting pattern keeps manifold layouts standardized across machines. A 24 VDC supply energizes the solenoid, and the K4 connector supplies that power through a 2-pole plus protective-earth plug in an M16 × 1.5 housing. A concealed manual override allows local spool movement when power is absent yet prevents accidental actuation during normal duty. The valve can be installed in any orientation, easing integration in tight frames. An IP65 enclosure rating blocks dust and water jets during wash-down cycles, and FKM seals withstand hot hydraulic oil to maintain leakage control under continuous operation.
The unit passes up to 42 l/min, so one valve can serve medium-size actuators without flow starvation. Ports A, B, and P tolerate system pressure to 350 bar, whereas the return port T is limited to 210 bar to match tank line ratings. All four connections share an 8 mm diameter that matches common cavity dimensions on size 03 manifolds. M5 × 50 class 10.9 screws secure the housing, and a tightening torque of 7 Nm keeps the gasket uniformly compressed. A mass of 2.0 kg keeps the manifold light enough for robotic end-effectors or compact power units. Functional safety calculations are aided by a mean time to dangerous failure of 150 years, indicating a long statistical service interval before internal wear risks uncontrolled movement.
Technical Specifications
Connection Type
Subplate Mounting
Connector Type
K4 (2-Pole + PE, M16 x 1.5)
Installation Position
Any
Manual Override
Concealed (N9)
Max Pressure (a/b/p)
350 bar
Max Pressure (t)
210 bar
Maximum Flow
42 l/min
Mounting Screws
M5 x 50 - 10.9
Mttfd
150 Years
Port Connection Diameter
Ø8 mm (P, A, B, T)
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Seal Material
FKM (V)
Supply Voltage
24 VDC
Tightening Torque
7 Nm
Weight
2.0 kg
1620 Old Apex Road
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