Bosch Rexroth | 4WE6H73B6XEG24N9DK35LA12-CSA-AN
4WE6H73B6X/EG24N9DK35L/A12 CSA AN
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The 4WE6H73B6X/EG24N9DK35L/A12 CSA AN valve belongs to the WE Directional Spool Valves series and is produced by Bosch Rexroth for hydraulic automation circuits that need reliable spool positioning. Its nominal size is 6, which aligns with compact power unit layouts. The porting pattern follows ANSI B93.9 D03 so it fits standard subplates without adapters. The valve withstands a maximum operating pressure of 350 bar on pressure and work ports, allowing use in high force actuators. Direct-current operation supports up to 80 l/min of flow, ensuring adequate volume for medium power loops. Electrical feeding is 24 VDC at a rated current of 1.25 A, matching common control cabinet supplies. The coil draws 30 W and may be energized continuously because the duty cycle is 100 % ED. A permissible coil surface temperature of 120 °C sets the thermal ceiling for safe operation.
Connection is made through an M12x1 four-pole plug coded DK35L, which streamlines assembly time. A concealed manual override labeled N9 lets technicians shift the spool mechanically during commissioning. Tank port pressure can reach 210 bar when the solenoids are driven by direct current. The enclosure carries an IP65 rating so dust ingress and water jets do not affect performance. Internal suppression keeps the switch-off overvoltage below 500 V to protect control electronics. The A12 smooth switching damping option moderates hydraulic shocks during transitions. With both solenoids installed, the valve weighs 1.95 kg, enabling installation without lifting equipment.
Technical Specifications
Coil Max Surface Temp
120 °C
Duty Cycle
100% ED
Electrical Connector
M12x1 4-Pole (DK35L)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Nominal Power (dc)
30 W
Nominal Size
6
Porting Pattern
ANSI B93.9 (D03)
Protection Class
IP65
Rated Current (24 Vdc)
1.25 A
Supply Voltage
24 VDC
Switch-off Overvoltage (max)
500 V
Switching Damping
A12 (Smooth Switching)
Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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