Rockwell Automation 440R-S07283 Guardmaster CU2 Control Unit Relay
The Rockwell A-B 440R-S07283 Guardmaster CU2 Control Unit Relay is a high-performance relay designed to enhance safety in industrial environments. It is specifically engineered to work seamlessly within control systems, ensuring reliable operation and protection against hazards.


This robust solution from Rockwell Automation ensures the safe operation of machinery by detecting when access guards are open or removed, immediately stopping the machine. Its compact design allows for flexible mounting options, making it suitable for a wide range of industrial settings.
Built with high-quality materials to withstand harsh industrial environments, the 440R-S07283 offers long-lasting performance and reliability. With its dual-channel configuration, this relay provides enhanced safety by monitoring two separate circuits simultaneously, ensuring a higher level of security for operators and equipment.
Product Specifications:
- Brand: Rockwell Automation
- Model: 440R-S07283
- Type: Guardmaster CU2 Control Unit Relay
- Safety Standards: Compliant with ISO 13849-1, EN ISO 13849-1, IEC 61508, IEC 62061
- Voltage Range: 24 VDC
- Current Rating: 5 A
- Response Time: < 50 ms
- Operating Temperature: -25°C to +70°C
- Protection Class: IP67
- Weight: Approximately 0.5 kg
Compliant with international safety standards, the 440R-S07283 Guardmaster CU2 Control Unit Relay is a trusted choice for businesses looking to prioritize worker safety without compromising on productivity. For more information, please contact us via email.
About Stoker Automation Technology
Stoker Automation Technology has been a leading automation equipment supplier for over 20 years, boasting a 5000-square-meter warehouse. Our products are widely used in various industries such as metallurgy, oil and gas, glass manufacturing, aluminum, petrochemicals, coal, paper printing, textile printing, machinery, electronics manufacturing, automotive manufacturing, tobacco, plastic machinery, power, water treatment, municipal engineering, boiler heating, energy, and distribution. We provide comprehensive pre-sales and after-sales services, including a 2-year warranty for certain products. If you cannot find the model you need, feel free to contact us via WhatsApp at +8619066591275.








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