SEL SEL-2020
Reliable microprocessor-based protection and control for utility and industrial power systems
| Brand | SEL |
| Model | SEL-2020 |
| Voltage | 125/250 VDC station battery supply |
| Country of Origin | United States |
| Weight | Approximately 2.5 kg |
| Dimensions | Approximately 220 x 160 x 90 mm |
| Warranty | 6 months |
| Certifications | UL, CSA, CE, IEEE and IEC applicable standards |
| SKU / MPN | SEL-2020 |
| What’s in the box | SEL-2020 relay, terminal connectors, mounting hardware, user documentation |
| Product Type | Digital protection relay |
| Protection Function | Configurable monitoring, protection and control |
| Communications | Serial communications for substation integration |
| Event Recording | Fault, event and disturbance data recording |
| Configuration | Microprocessor-based programmable settings |
| Mounting | Panel or rack mounting |
Key benefits: Fast fault detection, configurable logic, event records, dependable station-battery operation and integration with substation control systems
Typical applications: Substation feeder protection, industrial distribution systems, transformer protection panels, utility automation and electrical switchgear
Lifecycle: Mature product; new units may be available through authorized distributors and surplus channels












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