Motor Protection Features

Standard Feature Model Optionƒ This function may be created using settings
FeaturesSEL-700BTSEL-710/710-5SEL-749MSEL-701SEL-849
Applications
Induction Motor Protection
Synchronous Motor Protection
Motor Bus Transfer
Feeder Protection
Breaker Failure Protectionƒƒ
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-Potentialƒƒ
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