Bosch Rexroth | 4WE6D6XOFEW110N9K4B12
4WE6D6X/OFEW110N9K4/B12
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The 4WE6D6X/OFEW110N9K4/B12 directional spool valve belongs to the WE Directional Spool Valves series and is manufactured by Bosch Rexroth. It directs hydraulic flow between actuator and pump lines in automated circuits where electrical actuation is preferred. An integrated wet-pin solenoid accepts a 110 V AC supply at 50 or 60 Hz, allowing standard plant power to shift the spool. Switch-on power is 220 VA to create the initial magnetic force, while holding power falls to 50 VA once the spool is seated to limit continuous heat generation. Continuous operation is supported by a 100 percent duty cycle, and a voltage tolerance of ±10 percent maintains reliable switching when supply levels fluctuate. Class H insulation resists elevated winding temperatures, and protection class IP65 blocks dust and water jets when the DIN EN 175301-803 K4 connector is properly fitted, making the electrical interface straightforward during panel wiring.
Hydraulic capacity reaches 60 l/min and the valve withstands system pressures up to 350 bar, so it can manage medium-flow work circuits without auxiliary throttling. The mounting face follows the ISO 4401-03-02-0-05 porting pattern and matches the NFPA D03 sub-plate, permitting drop-in replacement on common manifolds. A built-in 1.2 mm throttle orifice in the pressure port smooths actuator acceleration by limiting inrush flow. The detent OF configuration omits a spring return, so the spool remains in its last energized position until the coil is actuated again. A concealed N9 manual override is included for local shifting during commissioning or power loss without exposing the mechanism to contamination. Together these features integrate the valve into closed-loop or manual standby circuits while keeping envelope size compact and installation consistent with other products in the series.
Technical Specifications
Coil Voltage
110 V AC (50/60 Hz)
Duty Cycle
100%
Electrical Connector
DIN EN 175301-803 (K4)
Holding Power
50 VA
Insulation Class (ac)
H
Ip Rating
IP65
Manual Override
Concealed (N9)
Max Flow (ac)
60 l/min
Max Operating Pressure
350 bar
Nfpa Mounting
D03
Porting Pattern
ISO 4401-03-02-0-05
Solenoid Type
Wet-Pin
Spring Return
None (Detent OF)
Switch-on Power
220 VA
Throttle Orifice (p)
1.2 mm (B12)
Voltage Tolerance
±10%
1620 Old Apex Road
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