Bosch Rexroth | Z4WE6E68-3XEG12N9K4
Z4WE6E68-3X/EG12N9K4
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The Z4WE6E68-3X/EG12N9K4 valve belongs to the Z4WE Solenoid Actuation Spool Valves series manufactured by Bosch Rexroth for directional control in hydraulic automation. Its size 6 housing matches the ISO 4401-03-02-0-05 port pattern, allowing direct installation on standard subplates. A high-power wet-pin solenoid shifts the spool while isolating the coil from system fluid. The valve withstands 315 bar on ports P, A, and B and 210 bar on the T port, so it can operate in medium-pressure circuits. Maximum flow reaches 50 l/min to support actuators with comparable demand. System oil must meet ISO 4406 cleanliness class 20/18/15 to protect the close-fit spool lands. Electrical termination uses a DIN EN 175301-803 connector, and an IP65 enclosure rating shields the coil from dust and water spray.
The electromagnetic section runs from a 12 V DC supply; it draws 2.5 A and consumes 30 W when energized. A 100 % ED duty cycle permits continuous activation without mandatory cooling pauses, while the coil surface temperature is limited to 120 °C to preserve insulation and nearby seals. The design supports up to 15 000 switching cycles per hour, enabling rapid reversal in automated machinery. A concealed manual override provides a means to shift the spool during setup or power loss without exposing internal parts. These electrical and functional details complement the hydraulic data and establish dependable behavior in fluid power systems.
Technical Specifications
Coil Max Surface Temperature
120 C
Connector Standard
DIN EN 175301-803
Duty Cycle
100% ED
Fluid Cleanliness Class
ISO 4406 20/18/15
Manual Override
Concealed
Max Operating Pressure (p, A, B)
315 bar
Max Switching Frequency
15000 1/h
Max T-port Pressure (dc)
210 bar
Maximum Flow
50 l/min
Nominal Voltage
12 V DC
Porting Pattern
ISO 4401-03-02-0-05
Power Consumption
30 W
Protection Class
IP65
Rated Current
2.5 A
Size
6
Solenoid Type
High-Power Wet-Pin
1620 Old Apex Road
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