SEL SEL-351A
Proven SEL protection relay technology for dependable feeder, distribution, and industrial power system protection at a lower used-equipment cost
| Brand | SEL |
| Model | SEL-351A |
| Voltage | 125/250 V DC or 120/240 V AC nominal control power |
| Country of Origin | United States |
| Weight | Approximately 4.5 kg |
| Dimensions | Approximately 216 x 178 x 267 mm |
| Warranty | 6 months |
| Certifications | UL, CSA, CE |
| SKU / MPN | SEL-351A |
| What’s in the box | Used SEL-351A protection relay, terminal blocks if fitted, and available mounting hardware |
| Product Type | Feeder and distribution protection relay |
| Protection Functions | Overcurrent, ground fault, reclosing, and breaker failure protection |
| Communication | EIA-232 serial port with optional Ethernet communications |
| Measurements | Three-phase current, voltage, power, frequency, and energy metering |
| Event Recording | Oscillography, sequence-of-events recording, and fault reporting |
| Mounting | Panel or rack mounting |
Key benefits: Reliable fault detection, configurable protection logic, detailed event analysis, integrated metering, flexible communications, and field-proven operation
Typical applications: Utility distribution feeders, industrial substations, transformer feeders, motor feeders, recloser control, and backup overcurrent protection
Lifecycle: Used equipment; inspect, test, and verify configuration before installation. Replacement parts and technical support may vary by firmware and condition.
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