Bosch Rexroth | 4WE6W6XEG24N9K72LVSO407-AN
4WE6W6X/EG24N9K72L/VSO407 AN
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The 4WE6W6X/EG24N9K72L/VSO407 AN is manufactured by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic flow in automation systems and mounts on subplates that follow the ANSI B93.9 porting pattern. The unit handles a maximum operating pressure of 315 bar on the pressure and service ports, while the tank port is limited to 210 bar. Flow capacity reaches 60 l/min in direct-current operation, allowing medium-duty actuator control. Electrical actuation is supplied by a 24 V DC coil that remains functional with a ±10 percent voltage band. The coil draws 8 W at nominal conditions and is designed for continuous service at a 100 percent duty cycle.
Connection to the coil is made through an M12 × 1 four-pin connector designated K72L; pin 3 is wired to ground and pin 4 carries the +24 V DC supply. A concealed manual override identified by code N9 permits emergency shifting, but the override may only be used when tank pressure does not exceed 50 bar. The enclosure achieves IP65 ingress protection so the valve resists dust and low-pressure water jets in industrial environments. During operation the coil surface must stay below 85 °C to preserve insulation life, and actuation may occur up to two times per second to meet moderate switching requirements.
Technical Specifications
Connector Type
M12x1 4-pin (K72L)
Duty Cycle
100% ED
Ingress Protection
IP65
Manual Override
Concealed (N9)
Manual Override Max Tank Pressure
50 bar
Max Coil Surface Temperature
85 °C
Max Flow (dc)
60 l/min
Max Operating Pressure (p,a,b)
315 bar
Max Pressure (t, Dc)
210 bar
Max Switching Frequency
2 1/s
Nominal Power
8 W
Nominal Voltage
24 V DC
Pin 3 Assignment
GND
Pin 4 Assignment
+24 V DC
Porting Pattern
ANSI B93.9
Voltage Tolerance
±10%
1620 Old Apex Road
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