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The Z4WE6E68-20/AG24N924 directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series. It directs hydraulic flow to actuators in automated systems and is energized by a 24 V DC coil that draws a rated current of 1.25 A. The coil consumes 30 W at nominal load, and operation remains stable within a ±10 % voltage band. A continuous 100 % duty cycle (S1) allows the valve to stay magnetized without forced cooling during extended runs. The hydraulic stage accommodates up to 80 l/min, and ports a, b, and p withstand 350 bar, making the unit suitable for high-pressure circuits.
A concealed N9 manual override permits spool shifting when electrical power is absent, and the component can be mounted in any position to simplify manifold layout. The design holds tank port t pressure up to 210 bar DC while switching cycles reach a maximum frequency of 4.2 operations per second. Class F insulation protects the coil windings against heat rise, and the mean time to dangerous failure is estimated at 300 years for safety-related calculations. Interface geometry follows the NFPA T3.5.1 D03 pattern and matches the ISO 4401-03-02-0-05 porting code, ensuring interchangeability with standard subplates.
Duty Cycle
100% (S1)
Installation Position
Any
Insulation Class (dc)
F
Manual Override
N9 (concealed)
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (t)
210 bar (DC)
Mttfd
300 years
Nfpa Porting Pattern
T3.5.1 D03
Nominal Power (dc Coil)
30 W
Nominal Voltage
24 V DC
Porting Pattern (iso)
ISO 4401-03-02-0-05
Rated Current (24 V Dc)
1.25 A
Voltage Tolerance
±10%
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