Bosch Rexroth | 4WRZE10E50-7X6EG24N9ETK31A1D3V
4WRZE10E50-7X/6EG24N9ETK31/A1D3V
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The 4WRZE10E50-7X/6EG24N9ETK31/A1D3V proportional directional valve is manufactured by Bosch Rexroth for the WRZ Proportional Directional Valves series and is intended to meter flow and control actuator direction in hydraulic automation. It belongs to valve size 10, establishing port dimensions consistent with medium-frame manifolds, and it follows the ISO 4401-05-05-0-94 mounting pattern for quick block installation. The unit withstands a main pressure of 315 bar, enabling use in high-pressure power units. A nominal flow of 50 l/min at a 10 bar differential defines standard performance, while the design can pass up to 170 l/min when full spool stroke is commanded. Electronics operate from a 24 V DC supply; the on-board circuitry draws 1.8 A and sees a cold coil resistance of 2 Ω, so wiring can be sized appropriately. A 100 percent duty cycle permits continuous energization without forced pauses.
Control is achieved with a ±10 V analog input that modulates spool position in proportion to the command signal. The electrical interface uses a DIN EN 175201-804 connector, facilitating plug-and-play replacement during service. A concealed manual override coded N9 lets maintenance staff shift the spool mechanically when power is unavailable. Command value overlap is held to 15 percent, providing a small neutral zone to reduce unintended motion. Internal channeling limits the return port T to 30 bar, so back-pressure selection must respect this value. The excitation winding may reach 150 °C before derating, giving a thermal margin for hot environments. An IP65 protection level seals the housing against dust ingress and low-pressure water jets, and this environmental rating supports installation on exposed machinery.
Technical Specifications
Coil Resistance (cold)
2 Ω
Command Value Overlap
15 %
Current Consumption (obe)
1.8 A
Duty Cycle
100 %
Electrical Connector
DIN EN 175201-804
Input Signal
±10 V (A1)
Manual Override
Concealed (N9)
Max Coil Temperature
150 °C
Max Flow
170 l/min
Max Operating Pressure (main)
315 bar
Mounting Pattern
ISO 4401-05-05-0-94
Nominal Flow (Δp=10 Bar)
50 l/min
Return Pressure Port T (internal)
30 bar
Supply Voltage
24 V DC
Type Of Protection
IP65
Valve Size
10
1620 Old Apex Road
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