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Siemens 7SR1151 microprocessor-based protection relay with directional overcurrent protection, IEC 61850 Ethernet communication, and monitoring and control functions. Ideal for medium-voltage systems.
The base price of Online Store This offer is exclusively for sales within the state of São Paulo. For orders outside the state of São Paulo, the tax calculation will be performed at checkout.
THE Siemens 7SR1151 is a microprocessor-based digital protection relay, developed for applications in medium voltage systems, such as feeders and transformers. With multiple protection functions, communication via IEC 61850 Ethernet and robust design, it offers high reliability and ease of integration into industrial automation systems.
Main Technical Characteristics:
Protection Functions:
Directional time overcurrent (ANSI 67)
Instantaneous overcurrent (ANSI 50)
Neutral overcurrent (ANSI 51N)
Undervoltage (ANSI 27)
Overvoltage (ANSI 59)
Underfrequency (ANSI 81)
Circuit Breaker Failure (ANSI 50BF)
Circuit breaker monitoring
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The base price of Online Store This offer is exclusive to the state of São Paulo. For invoicing to other states, the tax calculation will be performed at checkout and visible in the order subtotal before finalization.
