Bosch Rexroth | 4WE6H5XBW120RNVP1Z2
4WE6H5X/BW120RNVP1Z2
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The 4WE6H5X/BW120RNVP1Z2 valve is manufactured by Bosch Rexroth for hydraulic automation within the WE Directional Spool Valves series. It is built for subplate mounting with a porting pattern that follows ISO 4401-03-02-0-05, allowing interchange with standard NG6 manifolds. The nominal size is 6, so flow passages match NG6 cavities for compact circuit layouts. The maximum flow reaches 60 l/min, which suits medium duty actuator circuits. The valve withstands 350 bar on pressure ports a, b, and p, providing a safe margin for high-pressure pumps. Tank port pressure is limited to 160 bar, so return line sizing must observe this restriction. The coil operates on 120 V AC at 60 Hz, meeting common North American control voltages. A switch-on power draw of 220 VA supplies the initial magnetic force needed to shift the spool.
Continuous energization is permitted because the coil is rated for a 100 % duty cycle under S1 classification. Once held, power consumption drops to 50 VA, reducing heat during prolonged actuation. Thermal limits are further supported by insulation class H and a maximum coil surface temperature of 120 °C. Voltage tolerance of ±10 % ensures stable operation when supply swings occur. The unit carries an IP65 protection class, so the enclosure resists dust ingress and water jets when wired with sealed connectors. An FKM seal is fitted to handle aggressive hydraulic fluids and elevated temperatures. The permitted installation position is unrestricted, enabling mounting on horizontal or vertical faces without derating. A clamping length of 22 mm secures the solenoid tube and ensures proper magnetic alignment.
Technical Specifications
Clamping Length
22 mm
Coil Voltage
120 V AC (60 Hz)
Duty Cycle
100% (S1)
Holding Power (ac)
50 VA
Installation Position
Any
Insulation Class (ac)
H
Max Coil Surface Temp
120 C
Max Flow (ac)
60 l/min
Max Pressure (a,b,p)
350 bar
Max Tank Pressure (ac)
160 bar
Nominal Size
6 (NG6)
Porting Pattern
ISO 4401-03-02-0-05
Protection Class
IP65
Seal Material
FKM
Switch-on Power (ac)
220 VA
Voltage Tolerance
±10%
1620 Old Apex Road
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