Bosch Rexroth | 4WE6D6XOFEG125N9K4-CSA
4WE6D6X/OFEG125N9K4 CSA
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The 4WE6D6X/OFEG125N9K4 CSA valve is a member of the WE Directional Spool Valves series manufactured by Bosch Rexroth for hydraulic automation circuits. It directs fluid to selected actuator lines when its solenoid is energized by a 125 V DC supply, and it draws a rated current of 0.17 A during steady operation. A coil surface temperature limit of 120 °C maintains insulation integrity under continuous duty. The spool is held in its last commanded position by a detent, reducing the need for constant electrical power. For service tasks a concealed N9 manual override can shift the spool without energizing the coil. The valve tolerates ambient temperatures from −20 °C to +50 °C so it can be installed in unconditioned machine halls, and its installation position is unrestricted, simplifying manifold layout. A porting pattern compliant with ISO 4401-03-02-0-05 (NFPA D03) aligns the body with common subplates used in industrial machinery.
The hydraulic section withstands a maximum operating pressure of 350 bar and routes up to 80 l/min of flow, enabling the unit to control moderate power actuators without excessive pressure loss. Tank return circuits may be run up to 210 bar, matching high back-pressure systems such as accumulator charging loops. An IP65 protection class shields the electrical enclosure from dust and water jets, allowing use near spray zones or coolant mist. Electrical connection is made through a DIN EN 175301-803 (K4) connector, giving a quick-disconnect interface that fits standard field wiring looms. Fluid cleanliness must meet ISO 4406 20/18/15 so spool clearances remain free of abrasive particles and the valve continues to shift reliably. These characteristics combine to provide dependable directional control within compact hydraulic manifolds found in automated production lines.
Technical Specifications
Actuation Retention
Detent
Ambient Temperature Max
+50 °C
Ambient Temperature Min
–20 °C
Cleanliness Class
ISO 4406 20/18/15
Coil Max Surface Temp
120 °C
Connector Type
DIN EN 175301-803 (K4)
Installation Position
Any
Manual Override
Concealed (N9)
Maximum Flow (dc)
80 l/min
Maximum Operating Pressure
350 bar
Porting Pattern
ISO 4401-03-02-0-05 (NFPA D03)
Protection Class
IP65
Rated Current (125 V Dc)
0.17 A
Supply Voltage
125 V DC
Tank Port Pressure Max (dc)
210 bar
1620 Old Apex Road
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