Bosch Rexroth | 4WE6Q6B6XEW110N9K4
4WE6Q6B6X/EW110N9K4
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The 4WE6Q6B6X/EW110N9K4 valve is produced by Bosch Rexroth as part of the WE Directional Spool Valves series and directs hydraulic flow to actuators in automated machinery. The solenoid coil is wound for 110 V at 50 or 60 Hz so it can be energized from common industrial control transformers. When supplied at 50 Hz the coil draws 0.52 A, while at 60 Hz the current falls to 0.39 A, which helps size wiring and fusing. Electrical connection is made through a 3-pin (2+PE) DIN EN 175301-803 plug, and the mating connector should be tightened to 0.5 Nm on its M3 screws to maintain contact integrity. The valve mounts on a subplate that follows NFPA T3.5.1 D03, and its porting pattern matches ISO 4401-03-02-0-05 for interchangeability with other D03 components. Hydraulic throughput reaches 60 l/min, and flow is contained up to 350 bar on ports A, B, and P, supporting medium-pressure circuits.
The enclosure carries an IP65 rating so it resists dust and water jets during wash-down maintenance. The unit can be installed in any orientation, which simplifies manifold layout inside compact power units. A concealed manual override is provided for service operations, and it withstands up to 50 bar back-pressure to tank when actuated. Tank port pressure is limited to 160 bar during alternating current operation to protect seals. The switching circuit must tolerate up to 500 V of turn-off induced voltage, guiding the selection of surge suppressors. Two solenoids bring the total mass to 1.95 kg, light enough for stack manifold assemblies.
Technical Specifications
Coil Voltage
110 V (50/60 Hz)
Connector Type
3-Pin (2+PE) DIN EN 175301-803
Ingress Protection
IP65
Installation Position
Any
Manual Override Max Tank Pressure
50 bar
Manual Override Type
Concealed
Mating Connector M3 Torque
0.5 Nm
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (ac)
160 bar
Maximum Flow (ac)
60 l/min
Maximum Operating Pressure (a/b/p)
350 bar
Mounting Interface
NFPA T3.5.1 D03
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (50 Hz)
0.52 A
Rated Current (60 Hz)
0.39 A
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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