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The 4WE6D6X/OFEG110N9K4 valve is manufactured by Bosch Rexroth within the WE Directional Spool Valves series and shifts hydraulic flow paths to actuate cylinders and motors in automation systems. It operates from a 110 VDC supply and draws 0.25 A, enabling direct connection to common control outputs. Two solenoids give a combined mass of 1.95 kg, so the unit can be installed on light manifolds without extra supports. Wiring is completed through a K4 connector specified in DIN EN 175301-803. Continuous direct-current service allows a maximum flow of 80 l/min, while pressure at ports p, a, and b may reach 350 bar. The tank port t tolerates 210 bar, and switch-off overvoltage is limited to 500 V to protect the coil and external circuitry.
The valve mounts on subplates that follow the ISO 4401-03-02-0-05 pattern, ensuring interchangeability with CETOP 03 hardware. A concealed N9 manual override permits spool actuation during power loss and remains functional against tank pressures up to 50 bar. The housing achieves IP65 protection, blocking dust and withstanding low-pressure water jets in industrial environments. Coil surface temperature can reach 120 °C during extended duty, so surrounding materials must tolerate that heat. Functional safety is supported by an MTTFd of 300 years, offering long service life in critical hydraulic automation.
Coil Max Surface Temperature
120 C
Electrical Connection
K4 (DIN EN 175301-803)
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 Switch-off Overvoltage
500 V
Max Tank Port Pressure (t, Dc)
210 bar
Mttfd
300 years
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Rated Current (dc 110 V)
0.25 A
Voltage Rating (dc)
110 VDC
Weight (two Solenoids)
1.95 kg
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