Bosch Rexroth 4WE6E73B6X/EG24N9K4/A12 Smoothly Switching Directional Spool Valve, NG6, 24V DC, 350 Bar

### General
The Bosch Rexroth 4WE6E73B6X/EG24N9K4/A12 Directional Spool Valve is a solenoid-operated hydraulic control valve designed for dependable directional flow switching in industrial hydraulic systems. Its compact NG6 (Size 6 / CETOP 3) configuration and 24 V DC electrical actuation make it suitable for hydraulic machinery and manifold applications. The A12 smoothly switching option is designed to support controlled valve response during switching operations.

### Features
- Bosch Rexroth WE6 series directional spool valve
- Direct solenoid actuation
- NG6 / Size 6 / CETOP 3 mounting size
- E73B spool designation (exact spool symbol to be confirmed)
- 24 V DC solenoid supply
- Smoothly switching A12 configuration
- Maximum operating pressure up to 350 bar
- Maximum flow capacity up to 80 l/min for DC operation (series specification)
- Subplate mounting
- Standard ISO 4401-03-02-0-05 mounting interface
- K4 electrical connection with 3-pole connector (2 + PE)
- Connector standard EN 175301-803
- NBR seals on comparable standard models
- Designed for industrial hydraulic flow-direction control

### Key Specifications
- **Manufacturer:** Bosch Rexroth
- **Model Code:** 4WE6E73B6X/EG24N9K4/A12
- **Material Number:** Not independently confirmed for this exact code
- **Valve Series:** WE6
- **Nominal Size:** NG6 / Size 6 / CETOP 3
- **Component Series:** 6X
- **Spool Designation:** E73B (requires exact catalog confirmation)
- **Actuation Type:** Direct solenoid actuation
- **Supply Voltage:** 24 V DC
- **Maximum Operating Pressure:** 350 bar (series specification)
- **Maximum Flow Rate (DC):** Up to 80 l/min (series specification)
- **Maximum Flow Rate (AC):** Up to 60 l/min (series specification)
- **Mounting Type:** Subplate mounting
- **Mounting Interface:** ISO 4401-03-02-0-05
- **Electrical Connection:** K4, 3-pole connector (2 + PE)
- **Connector Standard:** EN 175301-803
- **Smooth Switching Option:** A12
- **Seal Material:** NBR on comparable catalog configurations; exact variant to be verified