Bosch Rexroth | 4WE6J6XEW110N9V62SO43A-1221B
4WE6J6X/EW110N9/V/62SO43A-1221B
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The 4WE6J6X/EW110N9/V/62SO43A-1221B valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and directs hydraulic flow for automated actuators. It is built around nominal size 6, establishing the port dimensions defined for this platform. A mounting interface that follows the ISO 4401-03-02-0-05 porting pattern aligns the body with subplates, and compliance with NFPA T3.5.1 R2-2002 D03 strengthens interchangeability in North American layouts. The hydraulic path supports a maximum flow of 60 l/min so circuits can supply moderate cylinder or motor rates, while pressure limits of 350 bar on the P, A, and B ports and 160 bar on the T return port confine the operating envelope. Electrical actuation relies on a 110 V AC 50/60 Hz coil, and during steady energization the winding draws 0.52 A to shift the spool.
Additional construction details support long-term service inside power units. A concealed manual override allows mechanical actuation without exposing the mechanism to contamination. The coil surface may reach 120 °C before thermal derating is required, and a switch-off overvoltage ceiling of 500 V protects insulation when the field collapses. FKM seals isolate the working fluid and resist common hydraulic oils, while an ISO 8752-3x8-St locating hole guides assembly alignment. The valve mass is 1.95 kg, permitting single-operator installation. Functional safety is reflected by an MTTFd of 300 years, indicating a low probability of dangerous failure throughout the expected lifetime.
Technical Specifications
Coil Voltage
110 V AC (50/60 Hz)
Locating Hole
ISO 8752-3x8-St
Manual Override
Concealed
Max Coil Surface Temperature
120 °C
Max Operating Pressure (p/a/b)
350 bar
Max Operating Pressure (t, Ac)
160 bar
Max Switch-off Overvoltage
500 V
Maximum Flow (ac)
60 l/min
Mttfd
300 years
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Porting Standard
NFPA T3.5.1 R2-2002 D03
Rated Current (50 Hz)
0.52 A
Seal Material
FKM
Weight
1.95 kg
1620 Old Apex Road
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