Bosch Rexroth | 4WE6L6XEG125N9K4V
4WE6L6X/EG125N9K4/V
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The 4WE6L6X/EG125N9K4/V directional spool valve is manufactured by Bosch Rexroth as part of the WE Directional Spool Valves series. It routes hydraulic oil to actuators in automated equipment and is shifted by a solenoid coil rated at 125 V DC. Coil power is 30 W and it draws a rated current of 0.17 A, providing repeatable spool movement. A 100 % duty cycle (S1) permits continuous energizing without thermal rest periods, and the design accepts a ±10 % voltage tolerance to accommodate supply variation. The porting pattern follows ISO 4401-03-02-0-05 so it fits standard size 6 manifolds, while the installation position can be any orientation, simplifying layout. Maximum operating pressure is 350 bar and the valve handles up to 80 l/min of flow in direct-current service, giving adequate capacity for medium-pressure circuits.
Hydraulic return lines can sustain 210 bar on the T-port without exceeding the valve limit, and a switching frequency of 4.2 cycles per second defines the highest repeatable actuation rate in direct-current use. A switch-off overvoltage of up to 500 V occurs when the coil is de-energized; a 250 V suppressor is recommended to limit this transient. The coil surface temperature may reach 120 °C during continuous duty, so adjacent components must withstand that heat. With the mating connector installed the electrical section attains IP65 ingress protection, blocking dust and low-pressure water jets. The hydraulic medium must satisfy ISO 4406 class 20/18/15 cleanliness to avoid spool erosion and sticking. These limits allow consistent performance while protecting the coil, electronics, and hydraulic passages during prolonged service.
Technical Specifications
Coil Power
30 W
Coil Rated Voltage
125 V DC
Duty Cycle
100% (S1)
Fluid Cleanliness
ISO 4406 20/18/15
Ingress Protection
IP65 (with mating connector)
Installation Position
Any
Max Coil Surface Temperature
120 °C
Max Flow (dc)
80 l/min
Max Operating Pressure
350 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (dc)
4.2 1/s
Max T-port Pressure (dc)
210 bar
Porting Pattern
ISO 4401-03-02-0-05
Rated Current
0.17 A
Recommended Suppressor
250 V
Voltage Tolerance
±10%
1620 Old Apex Road
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