Standard Feature Model Optionƒ This function may be created using settings‡ 1/2/3 Relay Application
| Features | SEL-387 | SEL-487B | SEL-487E | SEL-587Z | SEL-787Z |
|---|---|---|---|---|---|
| Applications | |||||
| Breaker Failure Protection | ƒ | ƒ | |||
| Bus Differential | ƒ | ||||
| Transformer and Machine Current Differential | |||||
| High-Impedance Bus Differential | |||||
| Low-Impedance Bus Differential | |||||
| Three-Phase Current Inputs | 4 | 7/10/21 ‡ | 5 | Common | 4 |
| Three-Phase Voltage Inputs | 1 | 2 | |||
| Protection | |||||
| 27/59 Under-/Overvoltage | |||||
| 46 Current Unbalance | ƒ | ||||
| 47 Voltage Unbalance | ƒ | ||||
| 50 (N,G) Overcurrent (Neutral, Ground) | ƒ | ||||
| 50P Phase Overcurrent | |||||
| 50Q Negative-Sequence Overcurrent | |||||
| 51 (N,G) Time-Overcurrent (Neutral, Ground) | ƒ | ||||
| 51P Phase Time-Overcurrent | |||||
| 51Q Negative-Sequence Time-Overcurrent | |||||
| 87 Current Differential | |||||
| 87Z High-Impedance Differential | |||||
| Single-Pole Trip/Close | |||||
| Three-Phase Differential Bus Zones | 1 | 2/ 3/ 6 ‡ | 1 | 1 | 1 |
| Check Zones | 3 | ||||
| Instrumentation and Control | |||||
| 79 Automatic Reclosing | ƒ | ||||
| Dynamic Zone Selection | |||||
| SELogic Control Equations | |||||
| Nonvolatile Latch Control Switches | |||||
| SELogic Remote/Local Control Switches | |||||
| Display Points | |||||
| Multiple Settings Groups | |||||
| Substation Battery Monitor | |||||
| Breaker Wear Monitor | |||||
| Event Report (Multicycle Data) | |||||
| Sequential Events Recorder | |||||
| Instantaneous Meter | |||||
| Demand Meter | |||||
| Through-Fault Monitor | |||||
| IEEE C37.118 Synchrophasors | |||||
| Synchrophasor Real-Time Control | |||||
| IEC 61850 | |||||
| Built-In Web Server | |||||
| Simple Network Time Protocol (SNTP) | |||||
| Rapid Spanning Tree Protocol (RSTP) | |||||
| Mirrored Bits Communications | |||||
| Parallel Redundancy Protocol (PRP) | |||||
| IEEE 1588 Precision Time Protocol Verion 2 (PTPv2) | |||||
| Time-Domain Link (TIDL™) Technology | |||||
| Miscellaneous Features | |||||
| Connectorized (Quick Disconnect) Available | |||||