Bosch Rexroth | 4WE6H73-6XEG12N9K4A1262
4WE6H73-6X/EG12N9K4/A12/62
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The 4WE6H73-6X/EG12N9K4/A12/62 directional spool valve belongs to the WE Directional Spool Valves series manufactured by Bosch Rexroth for hydraulic automation circuits that need compact flow control. The valve is built in size 6 and follows the H73 spool configuration to route pressure to either service port. A high-power wet-pin solenoid shifts the spool and consumes 30 W when supplied with 12 V DC; the coil then draws 2.5 A. Continuous energization is allowed because the duty cycle is 100 % ED. Electrical hookup uses a DIN EN 175301-803 K4 connector, and a concealed manual override marked N9 permits mechanical actuation during commissioning or power loss.
The valve carries a maximum flow rating of 80 l/min so it can handle medium-size actuator groups. Working ports a, b, and p tolerate 350 bar, while the tank port is limited to 210 bar, enabling installation in high-pressure manifolds. Mounting is done on an ISO 4401-03-02-0-05 subplate, and an ISO 8752-3x8-St locating pin identified by the /62 suffix fixes alignment. Four main ports provide the standard P, T, A, and B connections required by closed-center hydraulic systems. The A12 switching time increase feature deliberately lengthens spool travel to soften pressure shocks during reversal, completing a specification set suited to mobile and industrial equipment.
Technical Specifications
Duty Cycle
100% ED
Electrical Connection
DIN EN 175301-803 (K4)
Locating Hole
ISO 8752-3x8-St (/62)
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Operating Pressure (a,b,p)
350 bar
Max Tank Port Pressure (dc)
210 bar
Mounting Pattern
ISO 4401-03-02-0-05
Nominal Power (dc)
30 W
Ports
4 Main Ports
Rated Current (12 V)
2.5 A
Rated Voltage
12 V DC
Solenoid Type
High-Power Wet-Pin
Spool Symbol
H73
Switching Time Increase
A12
Valve Size
6
1620 Old Apex Road
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