Bosch Rexroth | 4WE6D73-6XOFEG24N9K72LA1262-AN
4WE6D73-6X/OFEG24N9K72L/A12/62 AN
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The 4WE6D73-6X/OFEG24N9K72L/A12/62 AN directional spool valve belongs to the WE Directional Spool Valves series from Bosch Rexroth and directs hydraulic flow in automated machinery. It fits a nominal size 6 manifold that follows the ANSI B93.9 porting pattern, allowing straightforward block installation. A wet-pin solenoid shifts the spool by drawing 1.25 A from a 24 V DC supply, so control electronics can use a standard low-voltage output stage. The valve withstands 350 bar on pressure ports A, B, and P, while the tank port tolerates 210 bar, making it suitable for medium-pressure circuits. Continuous flow capability reaches 80 l/min, keeping actuators responsive under high demand. An M12 × 1 four-pole K72L connector carries the control signal, and an IP65 enclosure rating prevents dust and water jets from affecting the coil and wiring.
The solenoid coil may operate with a surface temperature up to 120 °C, so installation must provide adequate convection to avoid heat soak into adjacent components. Switching devices are protected against energy spikes because the coil allows a maximum switch-off overvoltage of 500 V. Hydraulic oil cleanliness must reach ISO 4406 (c) code 20/18/15 to limit spool wear and maintain tight internal leakage. The unit weighs 1.95 kg, permitting direct mounting without additional structural support. Electrical insulation is classified as protection class III according to VDE 0580, defining the clearance and creepage distances within the coil assembly. A mean time to dangerous failure of 300 years underlines its role in systems that demand long service life with minimal safety risk.
Technical Specifications
Coil Max Surface Temperature
120 °C
Electrical Connector
M12x1, 4-pole (K72L)
Fluid Cleanliness
ISO 4406 (c) 20/18/15
Ingress Protection (ip)
IP65
Mass
1.95 kg
Max Flow (dc)
80 l/min
Max Operating Pressure (a/b/p)
350 bar
Max Switch-off Overvoltage
500 V
Max Tank Port Pressure (dc)
210 bar
Mttfd
300 years
Nominal Size
6
Nominal Voltage
24 V DC
Porting Pattern
ANSI B93.9
Protection Class (vde 0580)
III
Rated Coil Current (24 V)
1.25 A
Solenoid Type
Wet-pin
1620 Old Apex Road
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