Bosch Rexroth | 4WE6JB6XEW110N962SO43A-1221B
4WE6JB6X/EW110N9/62SO43A-1221B
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The 4WE6JB6X/EW110N9/62SO43A-1221B directional spool valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and directs hydraulic flow in automated machinery. Its size 6 body follows the ISO 4401-03-02-0-05 porting pattern, allowing direct mounting on standard subplates. The valve withstands a maximum operating pressure of 350 bar on ports A, B, and P, while the tank port handles up to 160 bar, fitting medium-pressure circuits. A peak flow rate of 60 l/min supports moderate actuator speeds. The solenoid is energized with 110 V AC at 50/60 Hz and accepts a ±10 % voltage variation to match typical plant supplies. Electrical demand reaches 220 VA at switch-on and drops to a holding power of 50 VA after the spool shifts, reducing heat generation. A 100 % ED duty cycle lets the unit remain continuously energized without cooling pauses, supporting round-the-clock operation.
The hydraulic medium must meet ISO 4406 20/18/15 cleanliness to protect the spool fit from wear. A concealed manual override identified as N9 lets technicians shift the spool locally while preventing accidental actuation. Assembly is simplified by a locating hole supplied with the /62 option, which keeps the valve correctly oriented on the manifold. The coil’s insulation system limits the surface temperature to 120 °C, safeguarding nearby wiring and seals during long duty cycles. Dynamic performance allows two switching operations per second, so the valve manages moderate on/off sequences without excessive wear. Together, these features ensure reliable directional control under continuous electrical load while avoiding additional cooling or complex upkeep.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED
Holding Power
50 VA
Locating Hole
Yes (/62)
Manual Override
Concealed (N9)
Max Coil Surface Temperature
120 °C
Max Flow (ac)
60 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switching Frequency (ac)
2 1/s
Max Tank Port Pressure (ac)
160 bar
Porting Pattern
ISO 4401-03-02-0-05
Rated Voltage
110 V AC (50/60 Hz)
Size
6
Switch-on Power
220 VA
Voltage Tolerance
±10%
1620 Old Apex Road
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