GESTIONVAL ODNODN INFRASTRUCTURE Technical Inquiry

Relay Protection Device Price List

Relay protection devices typically range from $200 for basic overcurrent relays to $10,000 or more for advanced digital or multifunctional relays.Price Ranges by Type
  • Basic Electromechanical Relays: $200–$800. These are simpler devices with fixed wiring and manual settings, suitable for small-scale or backup protection systems .
  • Digital/Numerical Relays: $1,000–$5,000. Microprocessor-based relays, such as Siemens SIPROTEC 7SJ or ABB REX series, offer programmable protection, monitoring, and multifunctional capabilities .
  • Advanced Multifunctional Relays: $5,000–$10,000+. High-end devices like Eaton's Bus Differential or Arc Flash Relays provide comprehensive protection, predictive diagnostics, and integration with smart grid systems .
  • Medium-Voltage Line and Transformer Relays: $2,000–$8,000. Devices like SIPROTEC 7SL82/7UT85 combine differential and distance protection for lines and transformers, often used in industrial or utility applications .
Factors Affecting Price
  1. Voltage Level: High-voltage relays for transmission lines are more expensive than low- or medium-voltage relays.
  2. Functionality: Relays with multiple protection functions (overcurrent, differential, distance, arc flash) cost more.
  3. Brand and Certification: Siemens, ABB, and Eaton relays are premium brands with higher reliability and warranty coverage.
  4. Integration and Communication: Devices supporting IEC 61850, SCADA integration, or remote monitoring are priced higher.
  5. Quantity and Procurement Source: Bulk orders or distributor pricing (e.g., DigiKey) may reduce per-unit cost .
Additional Considerations
  • Warranty and Support: Extended warranties, like Eaton's 10-year coverage, can influence total cost .
  • Installation and Testing: Relay test sets and calibration equipment may add $500–$3,000 to the overall system cost .
  • Lifecycle Costs: Maintenance, firmware updates, and spare parts should be considered when budgeting. In summary, relay protection device prices vary widely depending on type, voltage rating, functionality, and brand, ranging from a few hundred dollars for basic relays to over $10,000 for advanced digital or multifunctional devices. For exact pricing, contacting distributors or manufacturers directly is recommended.
Relay Protection Device Price List

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Technical note

This reference is intended for preliminary ODN and passive infrastructure research. Topology, split ratio, box or cabinet capacity, closure rating, cable type, test limits and applicable standards must be verified for the specific project.

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