Bosch Rexroth | 4WRPEH6C3B12L-3XM24A1
4WRPEH6C3B12L-3X/M/24A1
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The 4WRPEH6C3B12L-3X/M/24A1 proportional valve is produced by Bosch Rexroth for the 4WRP Solenoid Valves series and is used to meter flow and direction in hydraulic automation loops. Integrated electronics (OBE) drive the solenoid and regulate spool travel without an external amplifier, while a ±10 V command signal provides the setpoint for closed-loop control. A 24 V DC supply energizes the electronics and coils. The valve mounts on a subplate so maintenance crews can replace it without disturbing pipework, and the ISO 4401-03-02-0-05 interface aligns the ports. It is built in nominal size 6, and the C3 spool symbol establishes the flow paths employed in servo circuits. A linear flow characteristic keeps gain consistent across the stroke, and a rated flow of 12 L/min at a 35 bar differential supports small-to-medium actuators.
Four switching positions allow additional center or emergency states when the control signal is lost. The assembly withstands system pressures up to 350 bar, making it suitable for high-pressure mobile or industrial power units. A 7-pole (6 + PE) connector defined by EN 175201-804 carries power, command, and feedback lines while maintaining the IP65 protection class against dust and water jets. NBR seals contain the working media, and compatibility extends to HL, HLP, HLPD, HVLP, HVLPD, and HFC fluids to match a broad range of installations. The 2.9 kg weight keeps manual handling straightforward during panel or manifold installation.
Technical Specifications
Actuation
Integrated Electronics (OBE)
Command Value Input
±10 V
Connection Type
Subplate Mounting
Electrical Connector
7-Pole (6+PE) EN 175201-804
Flow Characteristic
Linear
Hydraulic Fluids
HL, HLP, HLPD, HVLP, HVLPD, HFC
Max Operating Pressure
350 bar
Nominal Size
6
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Rated Flow
12 l/min (Δp 35 bar)
Seal Material
NBR
Spool Symbol
C3
Supply Voltage
24 V DC
Switching Positions
4
Weight
2.9 kg
1620 Old Apex Road
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