Bosch Rexroth | 4WSE2EM6-2X10B9ET210K17EV
4WSE2EM6-2X/10B9ET210K17EV
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The 4WSE2EM6-2X/10B9ET210K17EV servo valve belongs to the 4WS Servo Valves series manufactured by Bosch Rexroth for closed-loop hydraulic automation. It receives an analog command value of ±10 V so a controller can position the spool proportionally to the reference signal. A dual supply of ±15 V powers the electronics, and each rail requires 150 mA, allowing compact power supplies in the control cabinet. The signal type is analog, which simplifies interfacing with standard proportional amplifiers. Electrical connection is made through a 6P+PE (K17) plug that conforms to the DIN 43563-AM6 standard, providing organized pins for power, command, and ground. With a nominal size of NG6, the unit occupies minimal manifold space, and the ISO 4401-03-02-0-05 porting pattern lets it mount directly on commonly used subplates.
The valve tolerates inlet pressures up to 210 bar, enabling use in medium-pressure circuits without additional pressure reduction stages. It supplies a rated flow of 10 l/min at a 70 bar pressure drop, matching the requirements of small and mid-range actuators. Internal pilot oil supply and internal pilot oil return remove the need for external pilot lines, reducing plumbing complexity. The control card only has to source 1.2 mA of input current, keeping the command line load low and preserving signal fidelity. When fitted with the proper mating connector the housing meets IP65, preventing dust ingress and water jets from affecting operation. FKM seals are used, allowing compatibility with common mineral and many synthetic hydraulic fluids, and a weight of 1.1 kg permits one-person installation.
Technical Specifications
Command Value Input
±10 V
Connector Standard
DIN 43563-AM6
Electrical Connection
6P+PE (K17)
Input Current
1.2 mA
Max Inlet Pressure
210 bar
Nominal Size
NG6
Pilot Oil Return
Internal
Pilot Oil Supply
Internal
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65 (with mating connector)
Rated Flow
10 l/min (Δp 70 bar)
Seal Material
FKM
Signal Type
Analog
Supply Current
150 mA (per rail)
Supply Voltage
±15 V
Weight
1.1 kg
1620 Old Apex Road
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