Manufacturer:Allen-Bradley
Model:857-3C6DDL857
Type:Motor Feeder Protection Relay
Voltage Rating:600V
Current Rating:Up to 600A
Protection Levels:Overload, Short Circuit, Phase Failure
Communication Interface:Modbus RTU
Operating Temperature Range:-25°C to +70°C
Certifications:CE, UL, CSA
The Rockwell Automation 857-3C6DDL857 Motor Feeder Protection Relay is an essential component in electrical systems designed to protect motors and feeders from various faults and failures. Built with robust materials, this relay ensures long-lasting performance and reliability. Key features include overcurrent, short circuit, and phase failure protection, making it suitable for a wide range of industrial applications.
This relay comes equipped with state-of-the-art technology that allows for precise monitoring and control, contributing to enhanced safety and efficiency in your operations. Its compact design facilitates easy installation and maintenance, reducing downtime.
Designed to comply with international standards, the 857-3C6DDL857 has obtained certifications such as CE, UL, and CSA, guaranteeing its high quality and safety.
Installation is straightforward, thanks to detailed manuals and support from Rockwell Automation experts. Whether you are upgrading existing systems or building new ones, this motor feeder protection relay is an ideal choice for any industrial setting.



What are the main features of Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay?
Key features include: high-speed processing and real-time response, robust design for harsh industrial environments, easy integration with existing automation systems, advanced diagnostics and monitoring capabilities, and compliance with international industrial standards.
Where is Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay commonly used?
The Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay is widely used in distributed control systems, process automation, oil and gas refineries, chemical plants, and power generation. It is ideal for factories, plants, and facilities requiring dependable automation control.
{“@context”: “https://schema.org”, “@type”: “FAQPage”, “mainEntity”: [{“@type”: “Question”, “name”: “What is Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “The Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay is a high-quality dcs designed for industrial automation applications. It delivers reliable performance, precision control, and long service life in demanding manufacturing environments.”}}, {“@type”: “Question”, “name”: “What are the main features of Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “Key features include: high-speed processing and real-time response, robust design for harsh industrial environments, easy integration with existing automation systems, advanced diagnostics and monitoring capabilities, and compliance with international industrial standards.”}}, {“@type”: “Question”, “name”: “Where is Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay commonly used?”, “acceptedAnswer”: {“@type”: “Answer”, “text”: “The Industrial Automation Allen Bradley 857-3C6DDL857 Motor Feeder Protection Relay is widely used in distributed control systems, process automation, oil and gas refineries, chemical plants, and power generation. It is ideal for factories, plants, and facilities requiring dependable automation control.”}}]}
Reliable industrial automation supplier with global fast shipping. This Industrial Communication Module is designed for demanding industrial environments. As a professional supplier of communication adapter and communication interface, we provide genuine products with competitive pricing and reliable after-sales service.
Our fieldbus module solutions are widely used in process automation and manufacturing environments. Whether you need a replacement part or a complete system upgrade, this communication adapter delivers consistent performance and long service life. We specialize in sourcing hard-to-find and obsolete automation components for legacy systems.
Common Applications:
- Building automation and HVAC control
- Mining and mineral processing
- Automotive assembly and testing
Key Features & Specifications Highlights:
- 24/7 technical support and after-sales service
- Extended lifecycle with proven reliability in harsh environments
- DIN rail mountable for compact panel installation
- Modular design for flexible system expansion
- Easy integration with existing control systems
- Compatible with major automation platforms (Siemens, Allen-Bradley, ABB, Schneider)
- Low power consumption with energy-efficient design
- CE/UL certified for international standards compliance
🔧 Full after-sales support | 📦 Secure worldwide shipping | 💰 Factory direct pricing
.related-products-seo-v2 { margin-top: 30px; padding: 20px; border-top: 2px solid #e8e8e8; }
.related-products-seo-v2 h3 { font-size: 18px; margin-bottom: 15px; color: #333; }
.related-products-seo-v2 .related-grid { display: flex; flex-wrap: wrap; gap: 15px; }
.related-products-seo-v2 .related-item { flex: 1 1 180px; max-width: 220px; border: 1px solid #eee; border-radius: 6px; padding: 10px; text-align: center; transition: box-shadow 0.2s; }
.related-products-seo-v2 .related-item:hover { box-shadow: 0 2px 8px rgba(0,0,0,0.1); }
.related-products-seo-v2 .related-item img { width: 100%; height: 120px; object-fit: contain; margin-bottom: 8px; }
.related-products-seo-v2 .related-item .product-name { display: block; font-size: 13px; color: #1a73e8; font-weight: 500; margin-bottom: 5px; line-height: 1.3; }
.related-products-seo-v2 .related-item .product-brief { font-size: 12px; color: #666; line-height: 1.4; margin: 0; }















There are no reviews yet.