Bosch Rexroth | 4WSE2EM10-5X45B9ET315K31EV
4WSE2EM10-5X/45B9ET315K31EV
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The 4WSE2EM10-5X/45B9ET315K31EV is produced by Bosch Rexroth within the 4WS Servo Valves series and meters flow for closed-loop hydraulic automation. Its nominal size 10 body is drilled to the ISO 4401-05-05-0-05 porting pattern so it drops into standard subplates. Rated flow reaches 45 l/min at a 70 bar pressure drop, while maximum operating pressure is 315 bar, allowing the valve to control medium-capacity actuators under high load. An internal pilot supply and return remove the need for external pilot lines and simplify plumbing. The unit works with HL or HLP oils defined by DIN 51524, provided fluid cleanliness is maintained at ISO 4406 class 18/16/13 to prevent spool wear. FKM seals contain the mineral oil and withstand typical temperature ranges encountered in servo systems.
The electronics accept a differential command signal of ±10 V and are powered from a ±15 V supply, matching common industrial servo amplifiers. Input resistance of at least 50 kΩ keeps control circuitry lightly loaded, and each coil draws a rated 30 mA through an 85 Ω winding so magnetic forces remain linear. Overall current consumption stays below 150 mA, limiting connector heating. Electrical connection is made with an EN 175201-804 plug, and the assembled housing achieves IP65 protection against dust and water jets encountered near machinery. These electrical features integrate with the hydraulic design to provide precise, reliable flow control in automated motion axes.
Technical Specifications
Cleanliness Class
ISO 4406 18/16/13
Command Signal
±10 V
Electrical Connection
EN 175201-804
Hydraulic Fluid
HL, HLP (DIN 51524)
Input Resistance (voltage)
≥ 50 kΩ
Max Current Consumption
150 mA
Max Operating Pressure
315 bar
Nominal Size
10
Pilot Supply/return
Internal/Internal
Porting Pattern
ISO 4401-05-05-0-05
Protection Class
IP65
Rated Current Per Coil
30 mA
Rated Flow (Δp=70 Bar)
45 l/min
Resistance Per Coil
85 Ω
Seal Material
FKM
Supply Voltage
±15 V
1620 Old Apex Road
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