Bosch Rexroth | 4WE6Q6XEG24N9DK35LSO407
4WE6Q6X/EG24N9DK35LSO407
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The 4WE6Q6X/EG24N9DK35LSO407 valve belongs to Bosch Rexroth’s WE Directional Spool Valves series and directs hydraulic flow between actuator ports in automated machinery. It mounts on subplates that follow the ISO 4401-03-02-0-05 porting pattern so it can replace standard CETOP 3 valves without manifold changes. The solenoids are energized with a nominal 24 VDC supply, and each coil draws a rated current of 1.25 A to shift the spool reliably. Electrical connection is made through an M12x1, 4-pole DK35L plug, allowing quick exchange during maintenance. Operators can shift the spool locally using the concealed N9 manual override, which protects the button from accidental actuation. The valve may be installed in any position, simplifying piping layouts inside compact power units. An IP65 enclosure keeps dust and water jets away from the coil and terminals, supporting outdoor or wash-down service. Under direct-current operation, the assembly passes up to 60 l/min, covering medium-size cylinder circuits.
The pressure-retaining parts withstand 315 bar on ports P, A, and B, while the T port is limited to 210 bar, matching most industrial return lines. Coil insulation and housing design keep the external surface temperature below 85 °C in the SO407 test, preventing damage to nearby hoses. When the solenoid is de-energized the internal suppressor limits switch-off overvoltage to 500 V, protecting control electronics. Insulation system category III according to VDE 0580 ensures adequate clearances for the stated 24 V supply. The hydraulic channels require oil cleanliness equal to or better than ISO 4406 class 20/18/15 to preserve spool life and avoid leakage. A mean time to dangerous failure of 300 years supports integration into safety-related subsystems assessed to EN ISO 13849. The dual-solenoid configuration weighs 1.95 kg, enabling easy handling during manifold assembly.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Connector Type
M12x1, 4-Pole (DK35L)
Ingress Protection
IP65
Installation Position
Any
Manual Override
Concealed (N9)
Max Coil Surface Temp (so407)
85 C
Max Flow (dc, So407)
60 l/min
Max Pressure (p/a/b)
315 bar
Max Pressure (t Port, Dc)
210 bar
Max Switch-off Overvoltage
500 V
Mttfd (en Iso 13849)
300 Years
Nominal Voltage
24 VDC
Porting Pattern
ISO 4401-03-02-0-05
Protection Class (vde 0580)
III
Rated Current (24 V)
1.25 A
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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