Bosch Rexroth | 4WE6L6XEG12N9K40SO43A-1799
4WE6L6X/EG12N9K40SO43A-1799
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The 4WE6L6X/EG12N9K40SO43A-1799 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. It directs hydraulic flow in mobile or industrial circuits, enabling automated actuator control. The valve is built in nominal size 6 so it fits NG6 manifolds and subplates. Four working ports permit conventional P, T, A, and B line connections. A high-power wet-pin solenoid supplies the shifting force, keeping moving components immersed in oil for reduced wear. The coil operates on 12 V DC, allowing direct connection to low-voltage vehicle power systems. A voltage tolerance of ±10 % accepts supply variation without false actuation. Nominal electrical input is 30 W, which defines the heat load on the enclosure. Continuous energization is supported by a 100 % duty cycle, so the spool can remain shifted indefinitely.
Maximum pressure at ports P, A, and B is 350 bar, enabling use in high-pressure circuits, while the T port is limited to 210 bar to protect return lines from overload. Flow capacity reaches 80 l/min in direct current operation, setting the upper limit for actuator speed. A switching frequency of 4.2 operations per second defines the highest recommended cycling rate. Internal suppression keeps switch-off overvoltage below 500 V to protect drive electronics. The valve is wired through a Deutsch DT04-2PA plug designated K40, which offers sealed two-pin connectivity for harsh environments. A concealed manual override marked N9 allows local actuation without disturbing mounting clearances. Permissible coil surface temperature is 120 °C, ensuring insulation integrity during prolonged loading.
Technical Specifications
Coil Voltage
12 V DC
Duty Cycle
100% ED
Electrical Connection
Deutsch DT04-2PA (K40)
Manual Override
Concealed (N9)
Max Coil Surface Temperature
120 °C
Max Flow (dc)
80 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (dc)
210 bar
Nominal Power (dc)
30 W
Nominal Size
6
Number Of Ports
4
Solenoid Type
High-Power Wet-Pin
Switching Frequency (dc)
4.2 1/s
Voltage Tolerance
±10%
1620 Old Apex Road
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