Bosch Rexroth | M-3SEW6U3X630MG24N9K4B08
M-3SEW6U3X/630MG24N9K4/B08
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The M-3SEW6U3X/630MG24N9K4/B08 valve is supplied by Bosch Rexroth in the M-SEW Poppet Valves series. It provides on-off control of hydraulic flow in automation systems that use mineral oil as the working medium. The unit performs a 3/2 directional function identified by symbol U, so it routes flow between three ports and two stable positions. A 24 V DC solenoid coil delivers actuation, and the winding is rated for a 100 % duty cycle so the coil can remain energized without time limits. Electrical termination is made through a DIN EN 175301-803 K4 connector, simplifying wiring in control manifolds. The valve follows the ISO 4401-03-02-0-05 (NFPA D03) porting pattern, allowing direct mounting on standardized sub-plates. Its poppet section withstands operating pressures up to 630 bar, giving the device suitability for high-pressure circuits. Power draw is limited to 30 W, reducing heat generation in densely packed hydraulic cabinets.
In service the valve allows a continuous flow rate of 25 l/min, matching medium-size actuators in compact power units. A maximum switching frequency of 3 600 cycles per hour at pressures above 350 bar supports rapid sequence operations without excess wear. The poppet design permits a tank port pressure up to 100 bar, so back-pressure in return lines will not disturb reliable closure. System cleanliness must be maintained to ISO 4406 class 20/18/15 to keep the sealing edges free of abrasive particles. An IP65 protection class shields the coil housing against dust ingress and water jets during wash-down. NBR seals are fitted to handle standard petroleum-based fluids and to limit external leakage over a wide temperature span. A concealed manual override, coded N9, lets maintenance staff shift the valve during commissioning or in a power loss. The assembled unit weighs 1.5 kg, a mass light enough for manifold mounting without additional support brackets.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Coil Voltage
24 V DC
Directional Function
3/2 (Symbol U)
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 (K4)
Hydraulic Fluid
Mineral Oil
Manual Override
Concealed (N9)
Max Switching Frequency
3600 1/h (>350 bar)
Max Tank Port Pressure
100 bar
Maximum Flow
25 l/min
Maximum Operating Pressure
630 bar
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Power Consumption
30 W
Protection Class
IP65
Seal Material
NBR
Weight
1.5 kg
1620 Old Apex Road
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