Bosch Rexroth | 4WRTE27E1-500L-4X6EG24EK31A1M
4WRTE27E1-500L-4X/6EG24EK31/A1M
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The 4WRTE27E1-500L-4X/6EG24EK31/A1M valve is an electro-hydraulic directional control component produced by Bosch Rexroth for the 4WRTE Directional Control Valves series. It directs hydraulic oil in automated machinery where closed-loop control of speed and position is required. Nominal size 27 defines the port cross-sections, and a rated flow of 500 l/min at 5 bar per control edge supports high actuator velocities. A maximum operating pressure of 270 bar on ports P, A, and B allows the unit to work in heavy-duty circuits. The ISO 4401-08-08-0-05 porting pattern aligns the body with common subplates to simplify installation. An analog command input of ±10 V enables proportional spool positioning from standard motion controllers, while an input resistance of 100 kΩ keeps signal loading low. Electronics are supplied from a 24 V DC line, and peak current consumption of 1.6 A indicates the capacity needed from the power supply.
Total electrical power consumption reaches 72 VA, a value used to size cabinet ventilation and over-current protection. Connection is made through a DIN EN 175201-804 plug so wiring can be completed with readily available mating connectors. Two PNP position switch outputs report spool end positions to the PLC for diagnostic or safety interlocks. The enclosure carries an IP65 rating, sealing the internal coils and sensors against dust ingress and water jets during routine wash-down. Pilot operation accepts pressures up to 315 bar, and the pilot oil flow of 20 l/min for 0–100 percent stroke at that pressure specifies the auxiliary pump capacity. Return flow at port T may reach 210 bar without affecting function, which helps in systems with elevated tank lines. The assembly weighs 17 kg, information relevant for choosing mounting hardware and for service personnel who handle the valve during installation.
Technical Specifications
Command Input
±10 V
Current Consumption (max)
1.6 A
Electrical Connector
DIN EN 175201-804
Input Resistance
100 kΩ
Max Operating Pressure (p/a/b)
270 bar
Max Return Pressure (port T, External)
210 bar
Nominal Size
27
Pilot Oil Flow (0-100% At 315 Bar)
20 l/min
Pilot Pressure (max)
315 bar
Porting Pattern
ISO 4401-08-08-0-05
Position Switch Outputs
2 (PNP)
Power Consumption (max)
72 VA
Protection Class
IP65
Rated Flow (5 Bar/control Edge)
500 l/min
Supply Voltage (nominal)
24 V DC
Weight
17 kg
1620 Old Apex Road
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