html{display:none} Motor Protection Features | Schweitzer Engineering Laboratories

Motor Protection Features

FeaturesSEL-700BTSEL-710/710-5SEL-749MSEL-701SEL-849
Applications
Induction Motor Protection  
Synchronous Motor Protection     
Motor Bus Transfer     
Feeder Protection    
Breaker Failure Protection ƒ ƒ
Equipment Thermal Monitoring
Synchronism Check     
Protection
27/59 Under-/Overvoltage
27I/59I Inverse-Time Undervoltage/Overvoltage    
32 Directional Power    
37 Underpower  
40 Loss-of-Field     
46 Current Unbalance  
47 Phase Reversal  
49 Thermal  
49R Thermal Overload (RTD)    
50 (P,N,G) Overcurrent (Phase, Neutral, Ground)
50Q Negative-Sequence Overcurrent  
51 (N,G) Time-Overcurrent (Neutral, Ground)   
51 (P,Q) Time-Overcurrent (Phase, Neg. Seq.)   
55 Power Factor  
60 Loss-of-Potential ƒ ƒ
67 (N,G) Directional Overcurrent (Neutral, Ground)     
78 Out-of-Step     
78VS Vector Shift     
81 Over-/Underfrequency
87 Current Differential     
Arc-Flash Detection    
Separate Neutral Overcurrent
Broken Rotor Bar Detection     
Instrumentation and Control
SELogic Control Equations/Remote Control Switches
Nonvolatile Latch Control Switches
Multiple Settings Groups    
Breaker Wear Monitor    
Event Report (Multicycle Data)/Sequential Events Recorder
Demand Meter  
Load Profile Report  
RTD (Resistance Temperature Detector) Inputs  
Ethernet   
Built-In Web Server  
EtherNet/IP   
IEEE 1588 Precision Time Protocol (PTP)   
IEC 61850   
IEC 61850 Edition 2   
IEC 60870-5-103    
Parallel Redundancy Protocol (PRP)   
DNP3 Serial   
DNP3 LAN/WAN   
Simple Network Time Protocol (SNTP)   
Modbus TCP   
Modbus RTU Outstation
Mirrored Bits Communications    
Miscellaneous Features
Accepts Wye or Open-Delta Voltage Transformers  

Standard Feature

Model Option

ƒ This function may be created using settings

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