PHOENIX ST-SI-UK4 High-Performance Signal Isolator Module
The PHOENIX CONTACT ST-SI-UK4 Signal Isolator Module delivers precise signal conditioning and electrical isolation for industrial automation systems. Engineered to ensure signal integrity in harsh environments, it prevents ground loops and electrical interference while enabling accurate data transmission between sensors, controllers, and actuators in process control applications.
Technical Specifications
| Brand | PHOENIX CONTACT |
| Model | ST-SI-UK4 |
| Input Range | 0…24 V DC |
| Output Range | 0…10 V DC |
| Signal Types | Analog Input/Output (0-10VDC, 0-20mA, 4-20mA) |
| Accuracy | ±0.1% |
| Operating Temperature | -25°C to +70°C |
| Power Supply | 12-30 V DC |
| Dimensions | 12.5mm (W) × 100mm (H) × 60mm (D) |
| Weight | 25g |
| Certifications | CE, UL, ATEX, IP20 |
This signal isolator excels in critical applications including process control systems, machine automation networks, and hazardous location installations. Its ATEX certification ensures safe operation in explosive atmospheres, while compatibility with 0-10VDC, 4-20mA and 0-20mA signals allows integration with most industrial sensors and actuators. The compact design and terminal block configuration enable straightforward installation in control cabinets alongside PLCs from Siemens, Rockwell Automation, and Schneider Electric systems.
Vertex Industrial specializes in global sourcing of industrial automation components, offering new surplus and professionally refurbished hardware from leading manufacturers. Our technical team provides personalized pre-sales consultation and comprehensive after-sales support, including a 1-year warranty on all products. Contact us via WhatsApp or email at anikaqx@gmail.com for current pricing and availability. We source specialized components worldwide – if you don’t see your required model, inquire about our custom procurement service.
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