Bosch Rexroth | M-3SED6UK1X350CG24N9K4B12
M-3SED6UK1X/350CG24N9K4/B12
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The M-3SED6UK1X/350CG24N9K4/B12 poppet valve belongs to the M-SED Poppet Valves series from Bosch Rexroth and is intended to switch hydraulic flow in automated machinery. It provides a 3/2, normally open function so oil circulates until actuation is commanded. The body endures pressures up to 350 bar, letting the component operate in high-pressure circuits. A 1.2 mm throttle orifice in the B12 version limits flow and dampens pressure surges. Continuous energization is allowed by a 100 % duty cycle, and electrical demand is capped at 30 W, easing power-supply sizing. The coil is built for a 24 V DC feed and remains stable with voltage deviations of ±10 %, maintaining reliable switching. Wet-pin, detachable coil construction simplifies replacement while keeping moving parts lubricated by system fluid. Insulation that tolerates 150 °C prevents thermal damage during extended service.
Installation details focus on compatibility and protection. Terminals follow the DIN EN 175301-803 pattern, enabling the use of standard industrial plugs, yet the K4 code means the mating connector is not supplied. Once a plug is fitted, the assembly attains IP65 ingress protection, shielding the coil from dust and water jets. The concealed N9 manual override lets technicians shift the poppet mechanically during commissioning or in power loss scenarios. A switching rate of 15 000 cycles per hour supports high-frequency control tasks without overheating. NBR seals contain the fluid and resist mineral-oil attack, preserving seat integrity over time. Proper service life depends on hydraulic oil cleanliness no worse than ISO 4406 20/18/15 (c), which limits abrasive particle contact with the poppet.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15 (c)
Connector Interface
DIN EN 175301-803
Duty Cycle
100%
Manual Override
Concealed (N9)
Mating Connector
None (K4)
Max Coil Temperature
150 °C
Max Switching Frequency
15000 1/h
Maximum Operating Pressure
350 bar
Nominal Supply Voltage
24 V DC
Power Consumption
30 W
Seal Material
NBR
Solenoid Type
Wet-Pin, Detachable Coil (C)
Throttle Orifice
1.2 mm (B12)
Type Of Protection
IP65 (with connector mounted)
Valve Function
3/2, Normally Open (UK)
Voltage Tolerance
±10%
1620 Old Apex Road
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