Bosch Rexroth | 4WRTE25E350L-4X6EG24ETK31A5M
4WRTE25E350L-4X/6EG24ETK31/A5M
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The 4WRTE25E350L-4X/6EG24ETK31/A5M valve is produced by Bosch Rexroth for the 4WRTE Directional Control Valves series and regulates flow in hydraulic automation systems that rely on electronic spool positioning. It operates from a 24 VDC supply and uses a ±10 V command/actual interface to let motion controllers issue precise setpoints and read back spool position. Rated flow reaches 350 l/min at a 5 bar pressure drop, and a recommended maximum of 870 l/min supports short-term peaks. Working ports p, a, and b tolerate operating pressures up to 350 bar, making the unit suitable for high-pressure circuits. The pilot stage needs 20 l/min at 315 bar to shift the main spool quickly, while the assembled housing weighs 16.8 kg for stable manifold mounting.
Electrical and environmental limits enable uninterrupted service. Maximum coil current is 1.6 A, and power consumption stays below 72 VA, so a 4 A time-lag fuse protects the supply from faults. Wiring is completed through a DIN EN 175201-804 K31 connector, and the enclosure meets IP65 to exclude dust and water during operation. Coil temperature may reach 150 °C, yet a 100 % relative duty cycle allows continuous energization without cooling intervals. Hydraulic oil must be maintained at ISO 4406 18/16/13 cleanliness to prevent spool sticking, and a 6.8 cm³ pilot oil volume accompanies full spool travel for repeatable response.
Technical Specifications
Command/actual Interface
±10 V (A5)
Current Consumption (max)
1.6 A
Electrical Connection
DIN EN 175201-804 (K31)
Fluid Cleanliness Class
ISO 4406 18/16/13
Max Coil Temperature
150 °C
Max Flow (recommended)
870 l/min
Max Operating Pressure (p,a,b)
350 bar
Max Power Consumption
72 VA
Pilot Oil Flow (x/y, 315 Bar)
20 l/min
Pilot Oil Volume (0–100%)
6.8 cm³
Protection Class
IP65
Rated Flow (Δp=5 Bar)
350 l/min
Relative Duty Cycle
100%
Required Fuse
4 A (time-lag)
Supply Voltage (nominal)
24 VDC
Weight
16.8 kg
1620 Old Apex Road
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