Bosch Rexroth | 4WE6J73-6XEG96N9K4A12B10
4WE6J73-6X/EG96N9K4/A12B10
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The 4WE6J73-6X/EG96N9K4/A12B10 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series for hydraulic automation tasks. It directs flow to actuators and cylinders in mobile or industrial systems. The valve tolerates a maximum operating pressure of 350 bar in ports P, A, and B so high-pressure circuits can be controlled without external reducers. A maximum tank port pressure of 210 bar permits safe return flow to the reservoir when back-pressure is present. Flow capacity reaches 80 l/min, allowing medium-sized cylinders to stroke at practical speeds. A throttle insert with a 1.0 mm orifice in port P moderates inlet flow to reduce pressure shocks. The solenoid stage can switch up to 4.2 times per second, supporting rapid cycling sequences. A continuous duty cycle of 100 percent means the coil may remain energized indefinitely without thermal derating, while electrical consumption is limited to 30 W to simplify power supply sizing.
Rated voltage is 96 V dc, and the coil draws 0.33 A, keeping magnetic force within design limits. The coil surface may reach 120 °C, defining spacing and insulation class for surrounding components. A DIN EN 175301-803 K4 connector provides standardized wiring and enables quick replacement during service; when mated, the enclosure attains IP65 ingress protection against dust and water jets. A concealed manual override labeled N9 lets technicians shift the spool during commissioning without energizing the solenoid. The clamping length of 42 mm matches standard sub-plate patterns for secure mounting. Fluid cleanliness must be ISO 4406 20/18/15 or cleaner to prevent spool sticking and wear. These mechanical, electrical, and hydraulic limits align the valve for dependable performance in closed-loop motion circuits.
Technical Specifications
Clamping Length
42 mm
Cleanliness Class
ISO 4406 20/18/15
Coil Max Surface Temperature
120 °C
Connector Type
DIN EN 175301-803 (K4)
Duty Cycle
100%
Ingress Protection
IP65 (mated connector)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Switching Frequency (dc)
4.2 1/s
Max Tank Port Pressure (dc)
210 bar
Nominal Power (dc)
30 W
Rated Current (96 V Dc)
0.33 A
Rated Voltage (dc)
96 V
Throttle Insert
Port P Ø 1.0 mm (B10)
1620 Old Apex Road
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