Motor Protection Features

Standard Feature

Model Option

ƒ This function may be created using settings

Features

SEL-700BT

SEL-710/710-5

SEL-749M

SEL-701

SEL-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