Bosch Rexroth | Z4WE6E68-3XEG24NK4
Z4WE6E68-3X/EG24NK4
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The Z4WE6E68-3X/EG24NK4 valve is built by Bosch Rexroth within the Z4WE Solenoid Actuation Spool Valves series. It meters or blocks hydraulic flow in automated machinery and is suited for manifold mounting in compact power units. The valve uses size 6 cavities, and its porting pattern conforms to ISO 4401-03-02-0-05 so it drops onto standard subplates without modification. A maximum flow rate of 50 l/min allows the spool to handle medium-capacity circuits, while maximum operating pressures of 315 bar at the P, A, and B ports withstand high-pressure supply lines; the T and DC ports are limited to 210 bar to protect return plumbing. The spool can shift up to 15 000 cycles per hour, giving rapid response in repetitive motion sequences, and a duty cycle of 100 % ED lets the coil remain energized continuously during long production shifts. Electrical load is kept moderate by a 30 W coil that draws 1.25 A at its rated 24 V DC input, supporting efficient power budgeting in multi-valve banks.
A DIN EN 175301-803 K4 plug connector provides quick wiring and simplifies coil replacement, while the enclosure meets IP65 so the energized parts resist dust ingress and low-pressure water jets. Switch-off transients are limited to 500 V, reducing strain on driver electronics and neighboring components. The coil surface may rise to 120 °C under heavy cycling; this temperature ceiling guides panel designers when setting cooling airflow. The ±10 % voltage tolerance keeps the coil functional during supply variations common in mobile or plant environments. Fluid entering the valve must meet ISO 4406 20/18/15 cleanliness to prevent spool sticking and premature wear. These characteristics complete the functional profile and ensure reliable hydraulic actuation in automated systems.
Technical Specifications
Cleanliness Class
ISO 4406 (c) 20/18/15
Connector Type
DIN EN 175301-803 (K4)
Duty Cycle
100% ED
Max Coil Surface Temperature
120 °C
Max Operating Pressure (p/a/b)
315 bar
Max Operating Pressure (t, Dc)
210 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (dc)
15000 1/h
Maximum Flow
50 l/min
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Power Consumption (dc)
30 W
Protection Class
IP65
Rated Current (24 V Dc)
1.25 A
Size
6
Voltage Tolerance
±10%
1620 Old Apex Road
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