Bosch Rexroth | M-4SED6D1X350CG12N9K4
M-4SED6D1X/350CG12N9K4
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The M-4SED6D1X/350CG12N9K4 poppet valve belongs to the M-SED Poppet Valves series and is produced by Bosch Rexroth. It provides on-off control in hydraulic automation and works in systems that operate at pressures up to 350 bar. Reliable shifting requires a minimum supply of 8 bar when a plus-1 plate is used. Hydraulic fluid must meet ISO 4406 cleanliness class 20/18/15 to protect the internal poppet surfaces. The solenoid is a wet-pin design immersed in oil to improve damping and service life. The coil is rated for 12 V DC and accepts a ±10 % voltage variation, allowing it to tolerate common supply fluctuations. Continuous energization is possible because the duty cycle is 100 %. During activation the valve draws 30 W, so power supply sizing can be calculated accurately.
The detachable coil simplifies maintenance or voltage changes in the field. Electrical connection is made through a DIN EN 175301-803 plug, which standardizes pin layout. A concealed manual override allows local actuation without exposing moving parts. Maximum coil temperature reaches 150 °C before derating is required, and the assembly can switch up to 15,000 cycles per hour for high-duty applications. Sealing elements are manufactured from NBR to resist common mineral oils, and the enclosure carries an IP65 rating that blocks dust and low-pressure water jets. There is no position monitoring, so external sensors must be added if feedback is needed.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Detachable
Yes
Coil Voltage
12 V DC
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Coil Temperature
150 C
Max Switching Frequency
15000 1/h
Minimum Pressure (plus-1-plate)
8 bar
Operating Pressure
350 bar
Position Monitoring
None
Power Consumption
30 W
Seal Material
NBR
Solenoid Type
Wet-Pin (Oil-Immersed)
Type Of Protection
IP65
Voltage Tolerance
±10%
1620 Old Apex Road
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