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The M-3SED6CK1X/350CG205K4 valve is produced by Bosch Rexroth within the M-SED Poppet Valves series and serves to route pressurized oil in automated hydraulic systems. It performs a 3/2 directional poppet function, and its body carries three main ports to match that switching logic. In the de-energized state the poppet remains closed, preventing flow until commanded. Actuation is handled by a wet-pin solenoid with a detachable coil that operates at 205 V DC. The coil can be rotated 90° for easier cable alignment, accepts a ±10 % voltage variation, and is designed for continuous operation with a 100 % duty cycle.
The assembly withstands operating pressures up to 350 bar, while a peak switching frequency of 15 000 cycles per hour supports high-speed sequencing. Electrical demand is limited to 30 W, and internal parts tolerate coil temperatures to 150 °C. When a mating connector is fitted the enclosure meets IP65, and fluid cleanliness must equal ISO 4406 (c) 20/18/15. Compatible media are HL and HLP oils specified in DIN 51524. There is no manual override, so every shift relies exclusively on the solenoid signal.
Cleanliness Class
ISO 4406 (c) 20/18/15
Coil Rotation
90°
Coil Voltage (dc)
205 V
Duty Cycle
100%
Hydraulic Fluid
HL, HLP to DIN 51524
Main Ports
3
Manual Override
None
Max Switching Frequency
15000 1/h
Maximum Coil Temperature
150 °C
Maximum Operating Pressure
350 bar
Power Consumption
30 W
Protection Class
IP65 (with mating connector)
Solenoid Type
Wet-Pin (Detachable Coil)
Starting Position
Normally Closed
Valve Function
3/2 Directional Poppet
Voltage Tolerance
±10%
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