Bosch Rexroth | 4WE6J73-6XEG24N9K4
4WE6J73-6X/EG24N9K4
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The 4WE6J73-6X/EG24N9K4 valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and directs hydraulic flow between ports in automated machinery. It employs spool symbol J in the 73 smooth-switching variant to reduce pressure shocks during actuation. Two wet-pin, detachable coils are energized with a 24 V DC supply and draw a rated current of 1.25 A for consistent shifting. Class F insulation keeps the windings stable, while the permissible coil surface temperature reaches 120 °C without degradation. Power is supplied through a K4 connector that provides two poles plus protective earth. A concealed N9 manual override lets maintenance staff shift the spool mechanically, and this override remains serviceable at tank pressures up to 50 bar.
The hydraulic section handles continuous flows up to 80 l/min and tolerates operating pressures of 350 bar on ports P, A, and B, so it can be placed on high-pressure circuits. Tank return lines are accommodated to 210 bar, preventing case-drain back-pressure from hindering spool movement. Installation follows the ISO 4401-03-02-0-05 interface and matches the NFPA D03 pattern, enabling direct stacking on standard subplates. The dual-solenoid assembly weighs 1.95 kg, which simplifies manual placement during manifold builds. Together these characteristics allow the valve to provide reliable on-off control while maintaining compact mounting in hydraulic automation systems.
Technical Specifications
Coil Insulation Class
F
Coil Max Surface Temp
120 C
Electrical Connection
K4 (2-pole + PE)
Manual Override
Concealed (N9)
Manual Override Max Tank Pressure
50 bar
Max Flow (dc)
80 l/min
Max Operating Pressure (p/a/b)
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Interface
ISO 4401-03-02-0-05
Nfpa Mounting
D03
Rated Current
1.25 A
Rated Voltage
24 V DC
Solenoid Type
Wet-Pin, Detachable Coil
Spool Symbol
J
Spool Version
73 (Smooth Switching)
Valve Weight (two Solenoids)
1.95 kg
1620 Old Apex Road
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