Bosch Rexroth | M-3SEW6U3X420MG24N9K4B15
M-3SEW6U3X/420MG24N9K4/B15
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The M-3SEW6U3X/420MG24N9K4/B15 is a poppet valve in the M-SEW Poppet Valves series manufactured by Bosch Rexroth for directional control in hydraulic automation. The valve is rated for an operating pressure of 420 bar to support high load circuits. It follows the ISO 4401-03-02-0-05 (D03) mounting pattern so it can be installed on standard size 6 subplates. Flow passes through a 1.5 mm throttle orifice which stabilizes downstream pressure fluctuations. The design delivers a maximum flow rate of 25 l/min suitable for medium capacity actuators. Its poppet conforms to function symbol U, defining the internal flow path when energized or de-energized. Hydraulic fluid cleanliness must not exceed class 20/18/15 per ISO 4406 to maintain reliable sealing. An NBR seal set provides compatibility with common mineral oils while the complete assembly weighs 1.5 kg for ease of handling.
The integrated solenoid operates on a 24 V DC supply and draws 30 W during actuation. Continuous service is supported by a 100 % duty cycle so the valve can remain energized indefinitely. The coil surface temperature may reach 120 °C, which must be considered during enclosure layout. Electrical connection is made through a DIN EN 175301-803 plug, simplifying wiring in modular manifolds. The solenoid reacts up to 3600 cycles per hour, providing fast switching for high repetition machinery. An IP65 protection class prevents dust ingress and low-pressure water jets from affecting the coil or housing. This switching capacity enables precise pressure modulation in servo manifolds without excessive heat buildup. The overall design supports fail-safe shutoff required in hydraulic presses and clamping units.
Technical Specifications
Cleanliness Class (iso 4406)
20/18/15
Coil Max Surface Temp
120 °C
Coil Power
30 W
Coil Voltage
24 V DC
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Function Symbol
U
Max Flow
25 l/min
Max Switching Frequency
3600 1/h
Mounting Pattern
ISO 4401-03-02-0-05 (D03)
Operating Pressure
420 bar
Protection Class
IP65
Seal Material
NBR
Size
6
Throttle Orifice
1.5 mm
Weight
1.5 kg
1620 Old Apex Road
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