Bosch Rexroth | 4WE6H6XEG24N9K72L
4WE6H6X/EG24N9K72L
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The 4WE6H6X/EG24N9K72L directional spool valve is produced by Bosch Rexroth for the WE Directional Spool Valves series and directs hydraulic flow in automated machinery. It has a nominal size of 6, so it fits compact manifold slots, and it follows the ISO 4401-03-02-0-05 porting pattern for standardized mounting. Maximum operating pressure at ports P, A, and B is 350 bar, while the tank port is rated for 210 bar, allowing the unit to handle high-pressure supply lines and elevated return pressures. A maximum flow of 80 l/min in direct-current service sustains actuator speed, and the spool may be cycled up to 1 Hz when a suppressor is installed. During de-energization the coil limits switch-off overvoltage to 500 V, preventing insulation stress.
The solenoid is driven by a 24 V DC supply that draws 1.25 A, creating a nominal power requirement of 30 W. A voltage tolerance of ±10 % and a 100 % duty cycle permit continuous energization from typical industrial power rails. The coil surface may reach 120 °C in direct-current operation without damage, and connection is made through a 4-pole M12×1 plug for quick installation. An IP65 protection class shields internal parts from dust and water jets, and hydraulic fluid must meet ISO 4406 cleanliness class 20/18/15 to avoid spool sticking. These electrical, thermal, and environmental limits ensure consistent switching performance alongside the mechanical ratings listed above.
Technical Specifications
Cleanliness Class
ISO 4406 20/18/15
Duty Cycle
100% ED
Electrical Connector
M12x1 4-pole
Max Coil Surface Temp (dc)
120 °C
Max Flow (dc)
80 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Switch-off Overvoltage
500 V
Max Switching Frequency (with Suppressor)
1 Hz
Max Tank Port Pressure (dc)
210 bar
Nominal Power (dc)
30 W
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Rated Current (24 V Dc)
1.25 A
Voltage Tolerance
±10%
1620 Old Apex Road
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