Bosch Rexroth | 4WE6G73-6XEG12N9K4A12
4WE6G73-6X/EG12N9K4/A12
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The 4WE6G73-6X/EG12N9K4/A12 belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth to direct flow and select cylinder or motor paths in hydraulic automation. It attaches to manifolds through the ISO 4401-03-02-0-05 mounting pattern, ensuring compatibility with common NG6 subplates. Electrical connection is made through a DIN EN 175301-803 K4 plug, supporting standardized cable harnesses. The solenoid coils operate from a 12 V DC supply and draw a rated current of 2.5 A to shift the spool. Power consumption is fixed at 30 W so panel designers can size power supplies accurately. A 100 % duty cycle allows the valve to remain energized continuously during machine cycles. Coil surface temperature may reach 120 °C under continuous load, and insulation class F withstands this heat level. These electrical attributes keep the actuator reliable in mobile or stationary hydraulic controls.
The hydraulic section is rated for 350 bar in the pressure and work ports, allowing it to function in high-pressure circuits. It can conduct up to 80 l/min of oil, which supports medium flow rates in compact power units. The tank port is permitted to see 210 bar, matching return line conditions in closed systems. When the manual override is used, tank pressure must be kept below 50 bar to avoid excessive lever force. The coil permits 4.2 switching operations per second, so it can track rapid control commands. A voltage tolerance of ±10 % prevents nuisance drops when the onboard supply varies. An IP65 enclosure rating protects the solenoid from dust and water jets encountered near hydraulic power packs. With two solenoids installed, the assembly weighs 1.95 kg, which simplifies handling during service.
Technical Specifications
Connector Type
DIN EN 175301-803 (K4)
Duty Cycle
100% ED
Insulation Class (dc)
F
Manual Override Max Tank Pressure
50 bar
Max Coil Surface Temperature
120 C
Max Switching Frequency (dc)
4.2 1/s
Maximum Flow (dc)
80 l/min
Maximum Operating Pressure
350 bar
Mounting Interface
ISO 4401-03-02-0-05
Nominal Power
30 W
Nominal Voltage
12 V DC
Port T Max Pressure (dc)
210 bar
Protection Class
IP65
Rated Current
2.5 A
Valve Weight (2 Solenoids)
1.95 kg
Voltage Tolerance
+/-10%
1620 Old Apex Road
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