Bosch Rexroth | 4WE6D6XOFEG24N9K4B20
4WE6D6X/OFEG24N9K4/B20
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The 4WE6D6X/OFEG24N9K4/B20 valve is part of the WE Directional Spool Valves series manufactured by Bosch Rexroth for directional control in hydraulic automation circuits. It is built to shift flow paths in manifold blocks where ISO 4401-03-02-0-05 mounting, also known as NFPA D03, is required. The nominal size 6 body handles a continuous flow of up to 80 l/min, allowing medium-capacity actuators to operate without starvation. Pressure limits reach 350 bar on ports A, B, and P, while the T port tolerates 210 bar in direct current service, so system designers can use high supply pressures without exceeding case limits. A 2.0 mm throttle insert in port P stabilizes inlet flow and reduces pressure spikes during shifting. The spool is returned by a detent mechanism, coded OF, which locks the spool in its last commanded position until electrical input changes. A concealed N9 manual override lets maintenance staff reposition the spool mechanically when power is unavailable without exposing moving parts.
Electrical actuation is supplied by a 24 V DC coil that draws a rated current of 1.25 A, translating to a nominal power consumption of 30 W during steady operation. Continuous duty is supported by a 100 % ED rating, so the solenoid may remain energized indefinitely without overheating. Connection is made through a DIN EN 175301-803 plug, style K4, simplifying replacement in existing panels. The housing carries an IP65 protection class, keeping dust ingress and low-pressure jets of water away from internal components for reliable field use. To protect upstream electronics, the coil design limits switch-off overvoltage to 500 V, reducing stress on driver stages. Total mass is 1.95 kg, light enough for stack mounting on modular subplates or mobile machinery manifolds.
Technical Specifications
Coil Voltage
24 V DC
Duty Cycle
100% ED
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Pressure (t)
210 bar (DC)
Nominal Power (dc)
30 W
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Protection Class
IP65
Rated Current (24 V)
1.25 A
Spool Return
Detent (OF)
Throttle Insert (port P)
2.0 mm
Weight
1.95 kg
1620 Old Apex Road
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