Bosch Rexroth | 4WRTE27R500L-4X6EG24ETK31A5M
4WRTE27R500L-4X/6EG24ETK31/A5M
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The 4WRTE27R500L-4X/6EG24ETK31/A5M is a directional control valve from Bosch Rexroth in the 4WRTE Directional Control Valves series, intended for hydraulic automation that requires stable flow regulation. The valve delivers a rated flow of 500 l/min to set actuator speed, and it tolerates up to 270 bar at ports P, A, and B for use in high-pressure circuits. Its solenoid is powered by 24 V DC and draws a maximum of 1.6 A, while overall electrical demand stays within 72 VA. An A5 interface accepts ±10 V command signals and includes an enable function on pin C, linking the valve to analog motion controllers. Connection is made through a DIN EN 175201-804 (K31) plug, which standardizes field wiring and shortens installation time.
The unit supports a 100 % duty cycle so it can remain energized continuously, and the coil withstands temperatures up to 150 °C without derating. An IP65 enclosure guards against dust and water jets, and system oil must meet ISO 4406 cleanliness class 18/16/13 to preserve spool accuracy. Internal pilot supply and return (ET) eliminate extra lines, with 20 l/min pilot flow at 315 bar moving the spool quickly. The housing follows port pattern ISO 4401-08-08-0-05 for direct manifold mounting, and controllability remains stable up to a recommended flow of 1000 l/min. The assembled valve weighs 17 kg, a factor to consider when selecting the supporting bracket or manifold.
Technical Specifications
Current Consumption Max
1.6 A
Duty Cycle
100%
Electrical Connector
DIN EN 175201-804 (K31)
Electronics Interface
A5 (±10 V, enable pin C)
Fluid Cleanliness Class
18/16/13 (ISO 4406)
Ingress Protection
IP65
Max Coil Temperature
150 °C
Max Operating Pressure (p, A, B)
270 bar
Max Power Consumption
72 VA
Max Recommended Flow
1000 l/min
Pilot Oil Flow (315 Bar)
20 l/min
Pilot Oil Supply/return
Internal/Internal (ET)
Porting Pattern
ISO 4401-08-08-0-05
Rated Flow
500 l/min
Supply Voltage
24 VDC
Weight
17 kg
1620 Old Apex Road
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