Industrial MAC 45A-SA1-DDCA-1BA Air Solenoid Valve for AI/SMT UNIVERSAL Insertion Machines Mod 3303
MAC 45A-SA1-DDCA-1BA Solenoid Valve (Modif:3303)
This is a 45 series direct-acting high-frequency solenoid valve from the American brand MAC, designed specifically for industrial automation machine (Universal Insertion Machines).
It is a core component for controlling pneumatic actuators in AI/SMT machine.
Project Parameter Details
Model: 45A-SA1-DDCA-1BA (Modif:3303 Custom Version)
Valve Type: Two-position 5-way / 4-way direct-acting poppet valve
Actuation Method: Single-coil drive (single-electro-electric control)
Rated Voltage: 12 VDC (Direct Current)
Coil Power: 7.5 W
Operating Pressure: Vacuum ~ 100 PSI (approx. 0.7 MPa)
Operating Medium: Compressed air, neutral gas (requires 40μm filtration)
Response Speed: Extremely fast (MAC series high-frequency characteristics, capable of thousands of actions per minute)
Installation Method: Plate mount (base integrates mounting holes, adaptable to equipment valve islands)
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Key Features and Benefits
High-Frequency, Long-Lifespan Design
MAC’s balanced lift valve core and short-stroke coil structure allow this valve to operate stably even in high-frequency operation scenarios such as insertion machines. It boasts strong anti-contamination capabilities, requires no additional lubrication, and is suitable for continuous industrial operation.
Custom Modif:3303 Version
The Modif:3303 suffix is a manufacturer-customized designation, indicating that it is an optimized version for specific equipment (such as the jumper station/insert head of a Universal insertion machine). It matches the original factory pneumatic control timing and installation position; replacements must be purchased strictly according to the model number.
Panel Mount Base
The included integrated base features standardized pneumatic ports, allowing direct installation on the equipment’s valve island without additional piping adapters, adapting to the modular pneumatic design of insertion machines.
⚠️ Application and Maintenance Points
Suitable Scenarios: Widely used in the pneumatic control of cylinders, grippers, and feeding mechanisms in AI/SMT insertion machines (such as the Universal series), pick-and-place machines, packaging machinery, and electronic automation equipment, especially suitable for workstations requiring high response speed and motion accuracy.
Common Troubleshooting:
Valve not operating: Check if the 12V DC power supply is normal, if the coil is burnt out, or if the valve core is stuck by impurities;
Slow operation/air leakage: Check if the air source filter is faulty, if the valve core is worn, if the seal is aged, or if the air passage of the mounting base is blocked;
Abnormal noise during high-frequency use: Check if the air source pressure is stable, or if the valve core lubrication is ineffective. Clean the valve core and add special pneumatic grease.
Replacement Recommendation: Modif:3303 is a customized model for the equipment. Purchasing spare parts of the same model is the safest solution to avoid problems with installation position, timing, or pneumatic circuit mismatch due to universal models.