Product Overview
The SMC SJ3A6-5CU-P is a compact, high-reliability pneumatic solenoid valve from the SMC SJ3000 series, engineered for precise directional control of compressed air in automated industrial systems. Operating on a 5-port, 2-position (5/2) spool configuration, this valve utilizes a direct-acting solenoid pilot mechanism to shift an internal spool, directing airflow between supply, exhaust, and actuator ports with fast, repeatable response. Its compact body design and plug-in electrical connection make it ideal for manifold-mounted valve banks in space-constrained control panels, delivering consistent pneumatic switching performance for cylinders, rotary actuators, and air-operated process equipment.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Pneumatic Solenoid Valve (5/2 Directional Control) |
| Model Designation | SJ3A6-5CU-P |
| Series | SMC SJ3000 Series |
| Valve Function | 5-Port, 2-Position (5/2), Single Solenoid |
| Operating Pressure | Standard Industrial Grade (0.1 to 0.7 MPa) |
| Coil Voltage | 24 VDC (Standard Industrial Solenoid) |
| Mounting & Connection | Manifold / Sub-base Mount, Plug-in Electrical Connector |
| Port Size | Metric One-touch / Barb Fitting Compatible |
Engineering Features & Advantages
- Precision Spool Metering: The balanced spool and sleeve design ensures low-friction shifting, minimal leakage, and consistent flow characteristics across the full operating pressure range.
- Fast Solenoid Response: Direct-acting solenoid pilot delivers rapid energization and de-energization, enabling high-cycle pneumatic actuation in automated assembly and packaging lines.
- Compact Manifold Integration: Slim body profile and plug-in connector allow dense valve bank configurations, reducing panel footprint and simplifying wiring and maintenance.
- Industrial Reliability: Built for continuous operation under severe industrial conditions with robust coil insulation and durable sealing materials.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original SMC SJ3000 series manifold and electrical interface standards.
Typical Industrial Applications
This SMC pneumatic solenoid valve is widely deployed in automated manufacturing and process control environments, including plastic injection molding machines for mold and ejector actuation, packaging and labeling equipment for high-speed cylinder sequencing, CNC machine tools for tool clamping and coolant air control, and general factory automation valve manifolds controlling pneumatic actuators, grippers, and air-blow circuits.
PRODUCT IMAGES

SMC SJ3A6-5CU-P Pneumatic Solenoid Valve
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine SMC SJ3A6-5CU-P Solenoid Valve. This Japan-made 24 VDC hydraulic component features a 5-port 2-position design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.