Bosch Rexroth | 4WE6JB6XOFEG24N962SO43A-1221A
4WE6JB6X/OFEG24N9/62SO43A-1221A
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The 4WE6JB6X/OFEG24N9/62SO43A-1221A is produced by Bosch Rexroth within the WE Directional Spool Valves series to route pressurized oil in automated hydraulic circuits. The valve is actuated by a wet-pin solenoid, which keeps the magnetic core immersed in fluid for efficient cooling and reduced wear. Its coil is designed for a 24 V DC supply, and it draws a rated current of 1.25 A to generate the force required for reliable spool shift. Line pressures at ports A, B, and P can reach 350 bar, enabling operation in high-pressure equipment. A nominal flow capability of 80 l/min maintains adequate throughput without excessive pressure loss. The form factor is nominal size 6, giving a compact footprint for stack manifolds. Mounting follows the ISO 4401-03-02-0-05 porting pattern, and compatibility with the NFPA T3.5.1 R2-2002 D03 interface allows use on common North American subplates.
The tank port withstands 210 bar, so back-pressure in return lines does not exceed structural limits. Installation is permitted in any position, letting designers place the valve horizontally or vertically to suit the manifold layout. A concealed manual override is included for local actuation during commissioning or power loss. The DC winding meets insulation class F, giving thermal stability under elevated coil temperatures. Coil surface temperature is limited to 120 °C to prevent damage to adjacent components. Inductive kickback is restricted to 500 V on switch-off, safeguarding driver electronics. System fluid must meet ISO 4406 (c) 20/18/15 cleanliness to protect the precision spool fit. A mean time to dangerous failure of 300 years underscores the reliability expected in safety-related hydraulic controls.
Technical Specifications
Actuation
Wet-Pin Solenoid
Coil Max Surface Temperature
120 °C
Hydraulic Cleanliness Class
ISO 4406 (c) 20/18/15
Installation Position
Any
Insulation Class (dc)
F
Manual Override
Concealed
Max Switch-off Overvoltage
500 V
Maximum Flow (dc)
80 l/min
Maximum Operating Pressure (a/b/p)
350 bar
Maximum Operating Pressure (t, Dc)
210 bar
Mttfd
300 years
Nfpa Interface
T3.5.1 R2-2002 D03
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Rated Current (g24)
1.25 A
Rated Voltage
24 V DC
1620 Old Apex Road
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