Bosch Rexroth | 4WE6D6XOFEW110N9K4B08
4WE6D6X/OFEW110N9K4/B08
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The 4WE6D6X/OFEW110N9K4/B08 directional spool valve is manufactured by Bosch Rexroth within the WE Directional Spool Valves series. It directs hydraulic fluid between pump and actuator ports in automated machinery. The housing corresponds to size 6, and the spool offers two distinct positions; a detent mechanism eliminates a spring return so each position remains engaged until the coil is powered again. Actuation is supplied by a high-power wet-pin solenoid engineered for 110 V AC at 50 / 60 Hz. The coil draws 0.52 A when fed at 50 Hz and 0.39 A at 60 Hz, and its external surface temperature may reach 120 °C under continuous duty. A concealed manual override (N9) allows mechanical shifting during commissioning, and electrical power is delivered through a K4 connector compliant with DIN EN 175301-803.
The valve tolerates operating pressures up to 350 bar and accommodates flow rates to 60 L/min, supporting medium-capacity circuits in presses, tooling, and forming equipment. Connection to the hydraulic manifold uses the ISO 4401-03-02-0-05 port pattern, and a throttle insert with a 0.8 mm orifice is installed in pressure port P under the B08 code to reduce flow shock. When the solenoid is de-energized, switch-off overvoltage is limited to 500 V to protect relay contacts and drive electronics. The assembled unit meets the IP65 ingress protection level once the plug is seated, resisting dust and water jets common to factory environments. These features combine to give stable directional control, reliable electrical isolation, and controlled hydraulic acceleration within automated installations.
Technical Specifications
Coil Max Surface Temp
120 C (AC)
Coil Voltage
110 V AC (50/60 Hz)
Electrical Connection
K4 (DIN EN 175301-803)
Ingress Protection
IP65
Manual Override
Concealed (N9)
Max Flow (ac)
60 L/min
Max Operating Pressure
350 bar
Max Switch-off Overvoltage
500 V
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (50 Hz)
0.52 A
Rated Current (60 Hz)
0.39 A
Size
6
Solenoid Type
High-Power Wet-Pin
Spool Positions
2
Spring Return
None (detent OF)
Throttle Insert
Port P Ø0.8 mm (B08)
1620 Old Apex Road
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