Bosch Rexroth | 4WE6D6XEG24N9K4QMBG24B12
4WE6D6X/EG24N9K4QMBG24/B12
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The 4WE6D6X/EG24N9K4QMBG24/B12 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. It directs hydraulic flow between actuator and pump lines in automated circuits. The solenoid is rated for 24 V DC, drawing a nominal 1.25 A, so control cabinets can supply it from standard machine power lines. At that voltage it consumes 30 W, providing the magnetic force needed to shift the spool under load. The coil accepts a ±10 % voltage swing, allowing reliable actuation when supply levels fluctuate. Continuous energization is possible because the electrical duty cycle is 100 % ED, which prevents overheating during long command signals. During rapid cycling, the armature can shift up to 4.2 times per second, supporting high-speed directional changes in servo loops. Hydraulic capacity is defined by a maximum flow of 80 l/min, ensuring the valve can handle medium-size actuator circuits without excessive pressure drop.
The valve mounts to manifolds that follow the NFPA T3.5.1 D03 interface, and its porting pattern matches ISO 4401-03-02-0-05 so interchange with other D03 devices is straightforward. System pressure at ports A, B, and P may reach 350 bar, while the return port T is limited to 210 bar, defining safe operating limits for pumps and tanks. A 1.2 mm throttle insert is fitted in port P to moderate inlet flow and reduce shock at spool transition. Electrical connection is made through a plug conforming to DIN EN 175301-803, and an inductive QM position switch at position b supplies a 24 V DC feedback signal for end-position monitoring. The housing carries an IP65 rating, giving full dust protection and guarding against water jets when the mating connector is attached. Operators can still reposition the spool locally because the manual override is concealed behind a cap that can be accessed with a tool, preventing accidental actuation.
Technical Specifications
Connector Standard
DIN EN 175301-803
Duty Cycle
100% ED
Ingress Protection (k4)
IP65
Manual Override
Concealed
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Pressure Port T (dc)
210 bar
Max Switching Frequency (dc)
4.2 1/s
Mounting Interface
NFPA T3.5.1 D03
Nominal Current (24 V)
1.25 A
Nominal Power (solenoid)
30 W
Nominal Voltage (solenoid)
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Position Switch
Inductive QM, pos b, 24 V DC
Throttle Insert
Port P 1.2 mm
Voltage Tolerance
±10%
1620 Old Apex Road
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