Bosch Rexroth | 4WRZ10E1-85-7X6EG24N9ETK4D3M
4WRZ10E1-85-7X/6EG24N9ETK4/D3M
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The 4WRZ10E1-85-7X/6EG24N9ETK4/D3M proportional directional valve belongs to the WRZ Proportional Directional Valves series from Bosch Rexroth and is intended for accurate flow control in hydraulic automation. It is supplied in valve size 10 and fits the ISO 4401-05-05-0-94 mounting pattern for direct subplate installation. A nominal flow of 85 l/min at a 10 bar pressure drop supports medium-capacity circuits, while a maximum operating pressure of 315 bar permits use in high-pressure lines. The solenoid operates on a 24 V DC supply; with a cold coil resistance of 4.8 Ω the initial current remains within the 1.5 A limit. A 100 % duty cycle allows continuous energization without enforced cooling. Internal pilot oil supply and internal pilot oil drain eliminate external pilot lines, reducing plumbing complexity.
During extended operation the winding heats to a resistance of 7.2 Ω, moderating current draw, and the coil can tolerate temperatures up to 150 °C without damage. The housing meets IP65, providing dust-tight and water-jet protection when a DIN EN 175301-803 electrical connector is used. A concealed manual override enables local actuation while shielding the mechanism from contamination. NBR sealing elements maintain compatibility with common mineral oils and prevent leakage across the full pressure range. These characteristics give the valve stable proportional control, straightforward wiring, and reliable environmental protection for demanding hydraulic equipment.
Technical Specifications
Coil Resistance (20 °c)
4.8 Ω
Coil Resistance (hot)
7.2 Ω
Duty Cycle
100%
Electrical Connection
DIN EN 175301-803
Manual Override
Concealed
Max Coil Temperature
150 °C
Max Current
1.5 A
Max Operating Pressure
315 bar
Mounting Interface
ISO 4401-05-05-0-94
Nominal Flow
85 l/min (Δp=10 bar)
Pilot Oil Drain
Internal
Pilot Oil Supply
Internal
Protection Class
IP65
Seal Material
NBR
Supply Voltage
24 V DC
Valve Size
10
1620 Old Apex Road
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