Bosch Rexroth | 4WE6D6XEG24N9K4QMBG24B1262
4WE6D6X/EG24N9K4QMBG24/B12/62
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The 4WE6D6X/EG24N9K4QMBG24/B12/62 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series, where it directs hydraulic oil between pressure, service, and tank lines in automated machinery. Its D-type spool supplies a closed-center flow pattern, and the body fastens to subplates through the NFPA D03 mounting pattern while matching the ISO 4401-03-02-0-05 port layout for interchangeability. Rated for 350 bar on ports P, A, and B and 210 bar on the tank return, the valve handles common industrial pressure ranges, and a direct-current flow capacity of 80 l/min keeps medium-size actuators responsive. A B12 throttle insert limits Port B to a 1.2 mm orifice so motion speed can be tuned without external orifices, and a concealed N9 manual override lets technicians shift the spool during setup or power loss.
Electrical actuation is based on a 24 V DC supply; the solenoid draws 1.25 A at this voltage and is wound with Class F insulation that tolerates a coil surface temperature of 120 °C under continuous duty. The K4 connector presents a 2 + PE pin arrangement for secure wiring with protective earth. A QMBG24 position switch reports the b-side spool state at the same 24 V level to confirm that commands have been executed, and switch-off transients are limited to 500 V to protect driver electronics. An ISO 8752-3×8-St locating pin, identified by the /62 suffix, aligns the valve on the manifold and prevents rotation during service. Together these features combine hydraulic flow control with reliable electrical feedback for integrated automation systems.
Technical Specifications
Coil Insulation Class
F
Coil Max Surface Temp
120 C
Electrical Connector
K4 (2+PE)
Locating Hole
ISO 8752-3x8-St (/62)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Pattern
NFPA D03
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Rated Coil Current
1.25 A
Spool Position Switch
QMBG24 (Pos b, 24 V)
Spool Symbol
D
Switch-off Overvoltage Max
500 V
Throttle Insert
B12 (Port B 1.2 mm)
1620 Old Apex Road
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