Bosch Rexroth | 4WE6G73-6XEW110N9DAL62
4WE6G73-6X/EW110N9DAL/62
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The 4WE6G73-6X/EW110N9DAL/62 valve is manufactured by Bosch Rexroth within the WE Directional Spool Valves series to route pressure and return lines in hydraulic automation. It follows the NFPA T3.5.1 D03 interface standard so it mounts directly to common D03 subplates, and the ISO 4401-03-02-0-05 porting pattern aligns the pressure, tank, and work ports without adapters. The unit withstands a maximum operating pressure of 350 bar on ports P, A, and B, while permitting flows up to 60 l/min for medium-capacity circuits. A coil designed for 110 V AC at 50/60 Hz drives the spool; the circuit must supply 220 VA during switch-on to overcome static friction, after which only 50 VA of holding power is needed to keep the valve shifted and limit thermal rise.
The electromagnetic assembly tolerates ±10 % line variation and its surface temperature may reach 120 °C in AC service without degrading insulation, making it suitable for 100 % duty cycle applications that require continuous energization. An IP65 protection class keeps dust and water jets from entering the housing, while a cable gland sized 1/2-14 NPT provides a sealed electrical connection. A concealed N9 manual override lets maintenance personnel move the spool during wiring or commissioning, and an ISO 8752-3×8-St locating pin fixes the body precisely on the manifold. Tank port pressure is limited to 160 bar to protect return-line hoses and coolers.
Technical Specifications
Coil Max Surface Temperature
120 C (AC)
Duty Cycle
100%
Electrical Connection
Cable Gland 1/2-14 NPT
Holding Power
50 VA
Interface Standard
NFPA T3.5.1 D03
Locating Hole And Pin
ISO 8752-3x8-St
Manual Override
Concealed (N9)
Max Flow (ac)
60 l/min
Max Operating Pressure (p, A, B)
350 bar
Max Tank Port Pressure (ac)
160 bar
Nominal Voltage
110 V 50/60 Hz
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Switch-on Power
220 VA
Voltage Tolerance
±10%
1620 Old Apex Road
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