Bosch Rexroth | 4WE6D46-6XOFEG24N9K72LSO407-AN
4WE6D46-6X/OFEG24N9K72LSO407 AN
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The 4WE6D46-6X/OFEG24N9K72LSO407 AN directional spool valve is manufactured by Bosch Rexroth within the WE Directional Spool Valves series. It shifts hydraulic flow paths in automated machinery using a solenoid-driven spool. The coil is rated for continuous operation at 100 % duty, draws 8 W, and is fed by a 24 V DC supply that may vary ±10 %. Electrical power arrives through an M12×1 four-pin K72L connector that shortens wiring time. IP65 sealing keeps dust and water jets away from internal parts, while the surface temperature of the coil must stay below 85 °C during service. Switch-off transients are limited to 500 V to protect the driver circuit. The actuator can reposition the spool twice per second, matching a maximum switching frequency of 2 Hz. Despite these features the assembly weighs only 1.95 kg, which simplifies manual handling.
The valve mounts on an ANSI B93.9 subplate. This standardized interface ensures interchangeability with common North American manifolds. Maximum flow is 60 L/min under direct current actuation, providing adequate capacity for cylinders and motors in mid-range power classes. Ports a, b, and p tolerate 315 bar, so the unit integrates into high-pressure circuits without additional throttling. The return port t supports 210 bar, enabling layouts with elevated back-pressure or long return lines. When manual override is engaged, the tank pressure must remain at or below 50 bar to avoid damage to the push mechanism. Acceptable hydraulic fluid cleanliness is ISO 4406 class 20/18/15, which limits contamination that could seize the spool. These hydraulic limits align the valve with servo-controlled presses, machine tools, and other equipment that demands reliable direction control at full system pressure.
Technical Specifications
Duty Cycle
100% ED
Electrical Connector
M12x1 4-Pin (K72L)
Fluid Cleanliness (iso 4406)
Class 20/18/15
Ingress Protection
IP65
Manual Override Max Tank Pressure
50 bar
Max Coil Surface Temperature (so407)
85 °C
Max Flow (dc)
60 l/min
Max Operating Pressure (a,b,p)
315 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (so407)
2 1/s
Max Tank Port Pressure (t, Dc)
210 bar
Mounting Interface
ANSI B93.9
Nominal Power (so407)
8 W
Nominal Voltage
24 V DC
Voltage Tolerance
±10%
Weight
1.95 kg
1620 Old Apex Road
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