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Breaker Failure and Capacitor Bank Protection Features

Breaker Failure Protection, Number of Three-Phase Breakers 1 2 7 1
Bus Differential      
Shunt Capacitor Bank Protection   ƒ  
Underfrequency Load Shedding   ƒ   ƒ
Undervoltage Load Shedding ƒ ƒ ƒ ƒ
25 Synchronism Check    
27/59 Under-/Overvoltage
32/37 Power Elements ƒ ƒ
46 Current Unbalance ƒ ƒ
47 Voltage Unbalance   ƒ ƒ ƒ
49 Equipment Thermal Monitoring ƒ   ƒ
50FO Flashover Protection  
50 (N,G) Overcurrent (Neutral, Ground)  
50P Phase Overcurrent
50Q Negative-Sequence Time-Overcurrent    
51 (N,G) Time-Overcurrent (Neutral, Ground)    
51P Phase Time-Overcurrent  
51Q Negative-Sequence Time-Overcurrent    
60 (N,P) Current Unbalance (Neutral, Phase)      
67 Directional Overcurrent    
81 Under-/Overfrequency    
81R Frequency Rate of Change      
87 Current Differential      
87V Voltage Differential ƒ  
Single-Pole Trip/Close    
Instrumentation and Control
Open-Pole Detection   ƒ ƒ
79 Automatic Reclosing ƒ ƒ ƒ
SELogic Control Equations
Voltage Check on Closing      
Nonvolatile Latch Control Switches
SELogic Remote/Local Control Switches
Display Points
Multiple Settings Groups
Substation Battery Monitor
Breaker Wear Monitor  
Voltage Sag, Swell, and Interruption Recording    
Event Report (Multicycle Data)
Sequential Events Recorder
Instantaneous Meter
Demand Meter    
Harmonic Metering      
IEEE C37.118 Synchrophasors    
IEC 61850  
Built-In Web Server  
Simple Network Time Protocol (SNTP)  
Parallel Redundancy Protocol (PRP)  
IEEE 1588 Precision Time Protocol Verion 2 (PTPv2)    
Time-Domain Link (TIDL) Technology    
SEL-2600 RTD Module Communications  
Miscellaneous Features
Connectorized (Quick Disconnect) Available
Synchrophasor Real-Time Control    

Standard Feature

Model Option

ƒ This function may be created using relay elements and timers.


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