
SEL-351A
Reliable and cost-effective feeder protection relay for distribution feeders and recloser control applications.
The SEL-351A is an industry-standard feeder protection relay offering high-speed overcurrent protection and recloser control for distribution systems. It provides directional elements, sensitive ground fault detection, cold-load pickup logic, and fault-locating capabilities. The relay is optimized for recloser applications and includes fast autoreclosing, synch-check, and customizable automation logic. With support for SCADA protocols (IEC 61850, DNP3, Modbus), SEL-351A integrates seamlessly into utility distribution management systems. Known for its durability and longevity, SEL-351A is widely used by utilities around the world for dependable feeder protection.
Key Features
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Phase and ground overcurrent protection
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Directional elements
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Recloser control functions
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Fault location and event records
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Robust and proven design
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Wide SCADA protocol support
Applications
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Distribution feeder protection
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Recloser control
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Industrial distribution systems
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Backup protection in substations
Keywords
SEL-351A, feeder protection relay, recloser relay, SEL overcurrent relay

