ABB SPAG330C RS643021-DA Differential Protection Relay

ABB SPAG330C RS643021-DA is a differential protection relay designed for power system protection in industrial and utility applications. It is widely used in substations, power plants, and heavy industrial electrical systems to provide fast and reliable protection of transformers, generators, and feeders. As part of ABB’s protection relay series, the ABB SPAG330C RS643021-DA ensures accurate fault detection and system stability in critical electrical networks.

Core Procurement Information

• Brand: ABB
• Model: SPAG330C RS643021-DA
• Availability: In Stock (subject to supplier inventory)
• Delivery Time: 3–10 working days after payment
• Guarantee: 12 Months Warranty
• Condition: New / Used (Fully Tested, 100% Functional)
• Product Type: Differential Protection Relay
• Function: Transformer / feeder differential protection
• Current Type: AC protection relay
• Protection Features: Differential protection, fault detection, trip signaling
• Mounting: Panel-mounted or rack installation
• Communication: Standard relay signaling interfaces (depending on configuration)
• Operating Temperature: Suitable for industrial environments (typically -10°C to +55°C)
• Design: Robust industrial-grade construction for long-term operation
• 

Industry Applications

• Power Utilities: Transformer and feeder protection in substations
• Power Generation: Generator and auxiliary system protection
• Oil & Gas: Electrical distribution system safety
• Heavy Industry: Protection of critical electrical assets in plants

The ABB SPAG330C RS643021-DA is a reliable and proven protection relay, offering precise differential protection, fast response to faults, and enhanced operational safety in mission-critical electrical systems.

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For more details or price negotiation, please contact us: Email: sales@fyplc.cn | Tel: +86 15359458915