Bosch Rexroth | 4WE6D6XEG24N962SO43A-1221A
4WE6D6X/EG24N9/62SO43A-1221A
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The 4WE6D6X/EG24N9/62SO43A-1221A valve is produced by Bosch Rexroth in the WE Directional Spool Valves series. It directs hydraulic flow by shifting a machined spool inside a ported body, supporting automated cylinder and motor functions. The unit attaches to manifolds through the ISO 4401-03-02-0-05 mounting interface, and the complementary NFPA D03 pattern allows interchange with North American subplates. A clamping length of 42 mm secures the body, while a locating hole and a locking pin specified as ISO 8752-3x8 keep alignment during service. Any installation position is permitted, and protection class IP65 shields the coil against dust and low-pressure water jets. A concealed manual override lets technicians shift the spool without energizing the solenoid. Electrically, the coil is designed for 24 V DC and draws a rated current of 1.25 A; a built-in transient suppression circuit limits switch-off overvoltage to 500 V.
The valve accommodates system demands up to a continuous flow of 80 l/min, with pressure limits of 350 bar on ports A, B, and P, and 210 bar on the tank port. Hydraulic cleanliness must meet ISO 4406 class 20/18/15 to protect the precision spool fit and maintain performance. An MTTFd value of 300 years indicates a very low probability of dangerous failure, making the component suitable for safety-related circuits. These capabilities allow the valve to control actuators in power units where high flow, elevated pressure, and long service life are required.
Technical Specifications
Clamping Length
42 mm
Cleanliness Class
ISO 4406 20/18/15
Installation Position
Any
Locating Hole
Yes
Locking Pin
ISO 8752-3x8
Manual Override
Concealed
Max Flow (dc)
80 l/min
Max Pressure (a,b,p)
350 bar
Max Pressure (t, Dc)
210 bar
Max Switch-off Overvoltage
500 V
Mounting Interface
ISO 4401-03-02-0-05
Mttfd Value
300 years
Nfpa Interface
D03
Nominal Voltage
24 V DC
Protection Class
IP65
Rated Current (24 V Dc)
1.25 A
1620 Old Apex Road
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