Bosch Rexroth | 4WE6D6XOFEW110N9V62SO43A-1221B
4WE6D6X/OFEW110N9/V/62SO43A-1221B
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The 4WE6D6X/OFEW110N9/V/62SO43A-1221B valve belongs to Bosch Rexroth's WE Directional Spool Valves series and directs hydraulic flow between supply and actuator lines in automated equipment. The component is built in valve size 6, giving a compact block suitable for machinery with limited manifold space. It features four ports so supply, return, and two work lines can be managed in a single envelope. The detent version coded OF uses two solenoids without a spring return, allowing the spool to stay in its last shifted position after the coil is de-energized. Mounting follows the ISO 4401-03-02-0-05 pattern, and the corresponding NFPA D03 interface keeps the unit interchangeable with standard subplates. The solenoid windings are rated for 110 V AC at 50 or 60 Hz; they draw 0.52 A on 50 Hz service and 0.39 A on 60 Hz networks. During actuation the coils demand 220 VA to overcome static friction, after which holding power drops to 50 VA to limit heat rise.
In operation the valve handles continuous power because its electrical section is specified for a 100 % duty cycle, supporting uninterrupted control loops. Flow capacity reaches 60 l/min so medium-size cylinders can be driven without excessive pressure loss. Ports A, B, and P are rated for 350 bar, enabling high-force motion, while the tank port tolerates 160 bar backpressure to protect the return circuit. FKM sealing elements withstand elevated temperature and many hydraulic fluids, preserving leak-tight performance over long service life. The assembly weighs 1.95 kg with both solenoids installed, making installation possible by one technician without lifting aids.
Technical Specifications
Detent
OF (Two Solenoids, No Spring Return)
Duty Cycle
100%
Holding Power (ac)
50 VA
Max Flow (ac)
60 l/min
Max Pressure (a/b/p)
350 bar
Max Tank Pressure (t, Ac)
160 bar
Mounting Interface
ISO 4401-03-02-0-05
Nfpa Mounting
D03
Nominal Voltage
110 V AC (50/60 Hz)
Number Of Ports
4
Rated Current (50 Hz)
0.52 A
Rated Current (60 Hz)
0.39 A
Seal Material
FKM
Switch-on Power (ac)
220 VA
Valve Size
6
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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