Bosch Rexroth | M-3SED6CK1X350CG24N9K4B20
M-3SED6CK1X/350CG24N9K4/B20
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The M-3SED6CK1X/350CG24N9K4/B20 valve belongs to the M-SED Poppet Valves series and is manufactured by Bosch Rexroth for hydraulic automation that requires precise flow control. It is a 3/2 directional poppet unit that stays normally closed until energized, providing fail-safe shutoff. A wet-pin, detachable coil simplifies replacement without disturbing the hydraulic line. The coil operates at 24 V DC and accepts a ±10 % supply variation, while drawing 30 W during actuation. Connection is made through a DIN EN 175301-803 K4 plug; with the mating connector in place the enclosure meets IP65 ingress protection. The winding tolerates temperatures up to 150 °C, and a concealed manual override labeled N9 allows manual shifting during setup or power loss. Three hydraulic ports let the valve mount directly into standard subplates or manifolds.
The assembly withstands operating pressures up to 350 bar, making it suitable for high-pressure circuits. A 2.0 mm throttle insert, indicated by the B20 suffix, limits inrush flow and cushions pressure peaks. Continuous energization is permitted because the duty cycle is rated at 100 %. The actuator can perform up to 15 000 switching cycles per hour, supporting rapid machine sequences. Fluid cleanliness must be maintained at ISO 4406 class 20/18/15 or better to protect the poppet and seat from contamination-related wear. Together, these parameters enable reliable, leak-tight performance in compact hydraulic systems that demand high switching speed and continuous service.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Coil Temperature
150 °C
Max Switching Frequency
15000 1/h
Maximum Operating Pressure
350 bar
Normal Position
Normally Closed (CK)
Number Of Ports
3
Power Consumption
30 W
Protection Class
IP65 (with Connector)
Rated Voltage
24 V DC
Solenoid Type
Wet-Pin, Detachable Coil (C)
Throttle Insert
Ø2.0 mm (/B20)
Valve Type
3/2 Directional Poppet
Voltage Tolerance
±10%
1620 Old Apex Road
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