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Protection Relays

Accessories

E124E124

Capacitor Trip Unit
E2E2

USB/RS232 Cable
P891P891

Circuit Breaker Trip / Close Module

Autoreclose and Check Synchronism

P841P841

Multifunction Line Terminal Protection and Control IED

Busbar Differential

P740P740

Numerical Busbar Protection
P746P746

Numerical Busbar Protection

Circuit Breaker Failure

P821P821

Breaker Failure Protection

Distance Protection

P432 and P439P432 and P439

Distance Protection and Control Units
P43xP43x

Distance Protection
P441, P442 and P444P441, P442 and P444

Full Scheme Distance Relay
P443, P445 and P446P443, P445 and P446

High Performance Distance Protection

Dynamic Line Rating and Interconnection Protection

P341 and P922GP341 and P922G

Interconnection Protection Relays

Interconnection & Generation Protection

P342, P343, P344, P345, P391P342, P343, P344, P345, P391

Generator Protection Relays

Line Differential and Phase Comparison

P521P521

Fast Feeder Differential Protection
P530CP530C

Compact Line Differential Protection Device
P541 - P546 RangeP541 - P546 Range

Current Differential Protection Relay
P547P547

Phase Comparison Line Protection with Optional Subcycle Distance
P594P594

GPS Synchronizing Unit
P59xP59x

Interface Units

Motor Protection

P211P211

Intelligent Motor Controller
P22xP22x

Motor and Overcurrent Protection Relay
P24xP24x

Rotating Machine Management Relay
GEMSTART 5GEMSTART 5

Intelligent motor controller

Overcurrent Protection

P111P111

Three Phase and Earth Fault Overcurrent Relays
P114SP114S

Self Powered Three Phase and Earth Fault Overcurrent Relays
P115P115

Self and Dual Powered Overcurrent Relays
P122CP122C

Time Overcurrent Protection
P124P124

Self and Dual Powered Overcurrent Relays
P12x/yP12x/y

Three Phase and Earth Fault Overcurrent Relays
P130CP130C

Feeder Management Relays
P132P132

Feeder Management Relays
P139P139

Feeder Management and Bay Control
P145P145

Feeder Management Relays
P14xP14x

Feeder Management Relays
Sepam series 10Sepam series 10

Protection Relays for Basic Applications
Sepam series 20Sepam series 20

Protection Relays for Usual Applications
Sepam series 40Sepam series 40

Protection Relays for Demanding Applications

Rail Protection

P138P138

Directional Overcurrent Protection for Rail Applications
P436 and P438P436 and P438

Rail Catenary Protection Devices
P638P638

Rail Catenary Protection Devices

Setting Software

S1 StudioS1 Studio

IED Support Software

Test Equipment

P990 SeriesP990 Series

Test Block

The Numerical Substation

IEC 61850 StandardIEC 61850 Standard

Interoperability for Advanced Protection and Control Applications
Non-Conventional Instrument Transformers (IEC 61850-9.2)Non-Conventional Instrument Transformers (IEC 61850-9.2)

Sensors

Transformer Protection and Control

P63xP63x

Transformer Differential Protection
P642, P643 and P645P642, P643 and P645

Advanced Transformer Protection and Control
Sepam 3-winding differential protectionSepam 3-winding differential protection

Protection Relays for Protection of Networks and HV/MV Substations
Sepam series 80Sepam series 80

Protection Relays for Custom Applications

Voltage and Frequency

C264PC264P

Modular Substation Computer with Backup Protection
P9xxP9xx

Voltage and Frequency Management Relays
Sepam series 40Sepam series 40

Protection Relays for Demanding Applications