Bosch Rexroth | 4WE6D6XEG24N9K72LB10-AN
4WE6D6X/EG24N9K72L/B10 AN
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The 4WE6D6X/EG24N9K72L/B10 AN directional spool valve belongs to the WE Directional Spool Valves series and is built by Bosch Rexroth for hydraulic automation circuits that require reliable flow switching. A 24 VDC coil voltage matches standard machine control supplies, while the rated current of 1.25 A limits power draw during continuous energization. The wet-pin detachable coil design simplifies replacement without exposing the hydraulic envelope. An M12×1 four-pole connector identified by the K72L code provides quick electrical hookup in compact manifolds. A concealed manual override, marked N9, lets maintenance personnel shift the spool without energizing the solenoid, and its 50 bar tank-pressure limit protects the override mechanism from excess back-pressure. Class F insulation withstands elevated winding temperatures for extended duty cycles.
This valve accepts a maximum flow of 80 l/min to support medium-capacity actuators, and its throttle insert in port P is restricted to 1.0 mm to moderate inrush and improve spool stability. The hydraulic envelope tolerates operating pressures up to 350 bar at ports a, b, and p, while the tank port can handle 210 bar without damage. An IP65 rating blocks dust and low-pressure water jets, enabling deployment in harsh factory environments. The ANSI B93.9 porting pattern aligns the body with common sub-plates, reducing installation time. During de-energization, the coil sees at most 500 V of switch-off overvoltage, protecting insulation from breakdown, and the surface temperature is limited to 120 °C to prevent premature aging. The assembly with two solenoids weighs 1.95 kg, keeping manifold load low and easing service.
Technical Specifications
Coil Voltage
24 VDC
Connector Type
M12x1, 4-Pole (K72L)
Ingress Protection
IP65
Insulation Class (dc)
F
Manual Override
Concealed (N9)
Manual Override Tank Pressure Limit
50 bar
Max Coil Surface Temperature
120 C
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (t)
210 bar
Porting Pattern
ANSI B93.9
Rated Current (24 Vdc)
1.25 A
Solenoid Type
Wet-Pin Detachable Coil
Throttle Insert (port P)
1.0 mm
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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