Bosch Rexroth | M-3SEW6C3X420MG24N9K4
M-3SEW6C3X/420MG24N9K4
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The M-3SEW6C3X/420MG24N9K4 is a 3/2 directional seat valve built by Bosch Rexroth within the M-SEW Poppet Valves series for hydraulic automation tasks requiring positive shut-off and directional control. It fits manifolds that follow the ISO 4401-03-02-0-05 pattern, and its nominal size 6 supports compact block layouts. The assembly tolerates up to 420 bar in pressure ports, allowing it to switch high-pressure lines without external boosters. A maximum flow of 25 l/min keeps medium-capacity cylinders supplied while maintaining seat tightness. Return lines may reach 100 bar because the design permits that back pressure without internal leakage. Total mass is 1.5 kg, so the valve can be mounted by a single technician without additional supports.
Electrical actuation depends on a 24 V DC coil that accepts a ±10 % voltage deviation, drawing 30 W during operation. The winding surface may reach 120 °C, and a 100 % duty cycle rating allows continuous energization on repetitive machines. Wiring is accomplished through a DIN EN 175301-803 form-A connector coded K4, while a concealed manual override labeled N9 lets service personnel shift the poppet when power is absent. The enclosure achieves IP65 when the mating connector is installed, keeping dust and water jets away from live parts. NBR seals handle common mineral oils and resist abrasion under cycling.
Technical Specifications
Coil Surface Temperature Max
120 °C
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803 (K4)
Manual Override
Concealed (N9)
Max Back Pressure (t)
100 bar
Max Flow
25 l/min
Max Operating Pressure (p/a)
420 bar
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Power Consumption
30 W
Protection Class
IP65 (with mating connector)
Seal Material
NBR
Supply Voltage
24 V DC
Valve Function
3/2 Directional Seat Valve
Voltage Tolerance
±10%
Weight
1.5 kg
1620 Old Apex Road
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