SEL SEL-587 Microprocessor Protection Relay for Power
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SEL SEL-587
Reliable SEL protection technology for upgrading or replacing legacy feeder and motor protection equipment at lower acquisition cost
| Brand | SEL |
| Model | SEL-587 |
| Voltage | 125/250 Vdc or 120/240 Vac |
| Country of Origin | USA |
| Weight | Approximately 2.3 kg |
| Dimensions | 19 x 133 x 244 mm |
| Warranty | 6 months |
| Certifications | UL, CSA, CE |
| SKU / MPN | SEL-587 |
| What’s in the box | Used SEL-587 relay, terminal blocks, mounting hardware, product documentation |
| Product Type | Microprocessor-based current differential protection relay |
| Protection Functions | Current differential and phase overcurrent protection |
| Communication | Serial communications with SEL protocols |
| Control Inputs | Programmable digital inputs and outputs |
| Construction | Panel-mounted protective relay enclosure |
| Condition | Used, operational condition to be verified |
Key benefits: Microprocessor-based protection, programmable settings, event recording, dependable fault detection, and compatibility with existing SEL protection systems
Typical applications: Industrial motor protection, feeder protection, generator auxiliary systems, utility substations, and process power distribution
Lifecycle: Mature discontinued product; commonly supported through used equipment, refurbishment, and replacement inventory
1 review for SEL SEL-587 Microprocessor Protection Relay for Power
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Exact match for many brands
We make replacements easy with an exact match for almost any brand.
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Competitively priced
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Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.

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Richard S. –
Trustworthy supplier for industrial components. Will purchase again.