Bosch Rexroth | 4WE6W73-6XEG24N9K72LA12-AN
4WE6W73-6X/EG24N9K72L/A12 AN
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The 4WE6W73-6X/EG24N9K72L/A12 AN valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for hydraulic automation systems that require electrically actuated flow direction changes. It fits NG6 manifolds because its nominal size is 6 and matches the ANSI B93.9 porting pattern. The solenoid coil is designed for a nominal voltage of 24 V DC and draws a rated current of 1.25 A, while its 30 W nominal power defines electrical load on the control supply. A voltage tolerance of ±10% allows the valve to operate when the supply fluctuates. Continuous energization is permissible because the duty cycle is 100% ED, and the coil surface may reach up to 120 °C without damaging insulation. A concealed manual override identified by code N9 enables local shifting when power is absent.
System designers can wire the valve quickly because the K72L variant provides an M12x1 four-pin connector sealed to IP65, preventing dust ingress and water jet damage. The threaded coupling also resists vibration, reducing the chance of intermittent signals in mobile equipment. The unit withstands line pressures up to 350 bar and allows a maximum flow of 80 l/min, while the tank port is rated for 210 bar to protect return circuits. A switching frequency limit of 1 Hz prevents excessive heat buildup and ensures consistent spool response. Two integrated solenoids bring the total weight to 1.95 kg, facilitating mounting without heavy lifting tools.
Technical Specifications
Coil Max Surface Temperature
120 °C
Connector Type
M12x1, 4-Pin (K72L)
Duty Cycle
100% ED
Manual Override
Concealed (N9)
Max Switching Frequency
1 Hz
Maximum Flow (dc)
80 l/min
Maximum Operating Pressure
350 bar
Nominal Power
30 W
Nominal Size
6 (NG6)
Nominal Voltage
24 V DC
Porting Pattern
ANSI B93.9
Protection Class
IP65
Rated Current At 24 V
1.25 A
Tank Port Max Pressure (dc)
210 bar
Voltage Tolerance
±10%
Weight (2 Solenoids)
1.95 kg
1620 Old Apex Road
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