Bosch Rexroth | 4WE6X139-6XEG24N9K4SO9
4WE6X139-6X/EG24N9K4SO9
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The 4WE6X139-6X/EG24N9K4SO9 is produced by Bosch Rexroth for the WE Directional Spool Valves series and directs hydraulic flow in automated machinery. Its nominal size of 6 matches compact manifolds, while the ISO 4401-03-02-0-05 (NFPA D03) porting pattern allows direct mounting on standard sub-plates. A maximum flow rate of 80 l/min supports moderate cylinder or motor speeds, and a maximum operating pressure of 350 bar lets the spool withstand high system loads. The coil is designed for a 24 V DC supply, drawing a rated current of 1.25 A, which results in a nominal power consumption of 30 W for predictable heat generation. A duty cycle of 100 % ED permits the valve to remain energized continuously without thermal overload.
A K4 connector in accordance with DIN EN 175301-803 provides quick electrical connection and, when mated, the assembly attains an IP65 protection class that blocks dust and low-pressure water jets. The coil accepts a voltage variation of ±10 % around the 24 V set point, maintaining reliable shifting even with supply fluctuations. Tank port t can handle back pressure up to 210 bar in direct current operation, and the spool may be cycled at a maximum of 4.2 switches per second to support rapid control sequences. Hydraulic fluid must meet ISO 4406 cleanliness level 20/18/15 to protect internal clearances, and a concealed manual override (N9) allows local actuation without disturbing line pressure. Insulation class F materials in the winding tolerate elevated temperatures generated during prolonged service.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Connector Type
K4 (DIN EN 175301-803)
Duty Cycle
100% ED
Insulation Class (dc)
F
Manual Override
Concealed (N9)
Max Operating Pressure (p, A, B)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (t)
210 bar (DC)
Maximum Flow (dc)
80 l/min
Nominal Power (dc)
30 W
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Protection Class (k4)
IP65
Rated Current (24 V Dc)
1.25 A
Voltage Tolerance
±10%
1620 Old Apex Road
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