Bosch Rexroth | M-4SED6D1X350CG24N9K4
M-4SED6D1X/350CG24N9K4
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The M-4SED6D1X/350CG24N9K4 valve belongs to the M-SED Poppet Valves series and is produced by Bosch Rexroth for directional control tasks in hydraulic automation circuits. It employs a 4/2 directional poppet arrangement, so two flow paths are opened or closed to reverse actuator motion with tight sealing. The unit withstands operating pressures up to 350 bar, allowing use in high-pressure power units, while a minimum pilot pressure of 8 bar is required in 4/2 mode to achieve reliable switching. Continuous duty is supported by a 100 percent duty cycle, and the coil draws 30 W at a nominal supply of 24 V DC; a ±10 percent voltage tolerance keeps the electromagnet within functional limits when supply variation occurs. Mineral oil class HL or HLP as specified by DIN 51524 is the approved medium, and NBR seals are fitted to retain this fluid under dynamic load.
A wet-pin solenoid with a detachable coil actuates the poppet, which simplifies coil replacement and bathes the armature in oil for heat dissipation up to a maximum coil temperature of 150 °C. Electrical power is routed through a DIN EN 175301-803 plug, and when the matching connector is attached the assembled interface meets IP65 protection, blocking dust and water jets in typical machine enclosures. The connector itself is not supplied with the valve, giving installers flexibility to match existing harness hardware, and a concealed manual override marked N9 lets maintenance staff shift the spool during commissioning without energizing the solenoid. Cleanliness of ISO 4406 class 20/18/15 is required to minimize seat wear and ensure poppet sealing.
Technical Specifications
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 Plug
Fluid Cleanliness
ISO 4406 20/18/15
Hydraulic Fluid
Mineral Oil (HL, HLP) DIN 51524
Manual Override
Concealed (N9)
Mating Connector
Not Included (K4)
Maximum Coil Temperature
150 °C
Minimum Pressure (4/2 Mode)
8 bar
Nominal Voltage
24 V DC
Operating Pressure (max)
350 bar
Power Consumption
30 W
Seal Material
NBR
Solenoid Type
Wet-Pin, Detachable Coil
Type Of Protection
IP65 (with mating connector)
Valve Function
4/2 Directional Poppet
Voltage Tolerance
±10%
1620 Old Apex Road
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