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Common Basler Electric Protective Relay Applications

Choose the purpose of your protection scheme:
   - Clear Faults
   - Relieve Stress
   - Restore Power
   - Preserve System

Choose the relay type and the zone you would like to protect on the chart below.
 

Protective Relays
Application Table
Application Engineers
Regional Sales Managers
Sales Reps

Purpose

Relay Type

Protected Zone

Clear Faults

 

Feeders

Transmission

Bus

Transformers

Generators

Motors

Intertie

Current

11f, 50, 51, 50/51B&M, 700C, 851, 1051

11f, 67, 67N, 700C, 851, 1051

11f, CDS240, CDS220, 700C, 851, 1051

 11t, CDS240, CDS220, 700C, 851, 1051, 50, 51

 11g, 700C, 851, 1051, CDS240, 51/27R, 51/27C

11m, 51, 50/51, CDS240, CDS220, 700C, 851, 1051

11i, 1051

Differential

 

 

 11t, CDS240, CDS22087B

 11t, 87T, CDS240, CDS220

11g, 87G, CDS240, CDS220

11m,87G, CDS240, CDS220

 

Breaker Failure

11f, 700C, 851, 1051

11f, 50BF, BPR, 1051

11f, 1051, CDS240

 11t, 1051, CDS240

11g,700C, 851, 1051, CDS240

11m,700C, 851, 1051, CDS240

11i, 1051

Negative Sequence

11f, 700C, 851, 1051

11f, 1051

11f,   11t, CDS240, CDS220, 700C, 851, 1051

 11t, CDS240, CDS220, 700C, 851, 1051

11g, CDS240, CDS220, 700C, 851, 1051, 46N

11mCDS240, CDS220, 700C, 851, 1051, 47N, 46N,

11i, 1051

Purpose

Relay Type

Protected Zones

 

 

Feeders

Transmission

Bus

Transformers

Generators

Motors

Intertie

Relieve Stress

Excitation

 

 

 

 11t, 1051, CDS240

11g, CDS240, 40Q, 60

11m, CDS240, 40Q

11i, 1051

Voltage

11f, 27/59*, 700V, 1051

11f, 700V, 1051

11f, 59NC, 700V, 1051, CDS240

 11t, 700V, 1051, CDS240

11g, 27, 59, 59N, 700V, 1051, CDS240

11m, 27, 27/59, 700V, 1051, CDS240

11i, 700V, 1051

Purpose

Relay Type

Protected Zones

 

 

Feeders

Transmission

Bus

Transformers

Generators

Motors

Intertie

Restore Power

Sync

11f, 25*, 1051

11f, 25, 1051

 

 

11g, 25, 25A, 1051

 

11i

Multiple Shot Reclose

11f, 79A, 79M, 700C, 700V, 851, 1051

11f, 79A, 79M, 700V, 1051

 

 

11i, 700V

 

11i, 1051

Purpose

Relay Type

Protected Zone

 

 

Feeders

Transmission

Bus

Transformers

Generators

Motors

Intertie

Preserve System

Power

11f, 32R*, 1051

11f, 1051

11f, 1051

 11t, 1051

11g, 32R, 32O/U, 1051

11m, 32R, 32O/U, 1051

11i, 1051

Frequency

11f, 81O/U*, 700V, 1051

11f, 700V, 1051

11f, 700V, 1051, CDS240

 11t, 700V, 1051, CDS240

11g, 81O/U700V, 1051, CDS240

11m, 700V, 1051, CDS240

11i, 700V, 1051


*=The use of this relay is suggested with distributed sources of generation.Industrial Solutions Section

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