Bosch Rexroth | 4WE10D3XOCW110N9K4
4WE10D3X/OCW110N9K4
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The 4WE10D3X/OCW110N9K4 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. It shifts hydraulic flow between circuits in automated machinery. The unit follows the NG10 size (CETOP D05), so it matches manifolds designed for that envelope. Four ports permit connection to pump, tank, and two actuator lines, while two switching positions give straightforward extend-retract control. Because the design has no spring return, the spool remains in its last commanded position when the solenoid is de-energized, which suits applications that require maintained flow direction. Installation on a subplate uses the ISO 4401-05-04-0-05 pattern, simplifying replacement in standardized stacks. NBR seals prevent leakage when the valve is used with conventional mineral hydraulic oil. A maximum flow rate of 120 l/min limits the volume that can pass without excessive pressure drop, keeping system response predictable under load.
An AC solenoid rated at 110 VAC 50/60 Hz shifts the spool, and its inrush demand reaches 550 VA so upstream wiring must accommodate that current. Once magnetized, the solenoid holds with 90 VA, minimizing heat during continuous use; the 100 % duty cycle confirms it can stay energized without a cooling interval. Electrical connection is through a 3-pole (2+PE) EN 175301-803 plug coded K4, providing a protective earth for safety. A concealed manual override, identified as N9, lets maintenance staff reposition the spool when power is unavailable. With the mating connector installed, the enclosure achieves IP65, allowing operation in dusty or wet areas. Ports P, A, and B can be pressurized up to 315 bar, while port T withstands 160 bar, defining safe limits for pressure spikes. These ratings ensure the valve delivers reliable flow control in high-pressure hydraulic automation lines.
Technical Specifications
Ac Holding Power
90 VA
Ac Making Capacity
550 VA
Coil Voltage
110 VAC 50/60 Hz
Duty Cycle
100%
Electrical Connector
3-pole (2+PE) EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow
120 l/min
Max Pressure (p,a,b)
315 bar
Max Pressure Port T (ac)
160 bar
Mounting Interface
ISO 4401-05-04-0-05
Ports
4
Protection Class
IP65 (with connector)
Return Type
No Spring Return (O)
Seal Material
NBR
Switching Positions
2
Valve Size
NG10 (CETOP D05)
1620 Old Apex Road
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