Basler Electric BE3 Series Industrial Relays

BE3 Series Industrial Relays provide a wide range of cost-saving options to simplify industrial

application protection related to Auto Transfer, Distribution, Generators, Motors, Process

Control, and Transformers. Multiple DIN-rail mounting options are available.

Features

• 25 Sync-Check

• 27 Undervoltage

• 27T Undervoltage with Time Delay

• 27/59 Undervoltage/Overvoltage

• 27T/59T Undervoltage/Overvoltage with Time Delay

• 32 Reverse Power

• 37 Undercurrent

• 37/51 Undercurrent/Overcurrent

• 47 Phase Sequence

• 47N Phase Balance

• 47N/27 Phase Balance with Undervoltage

• 49R (3 or 6 RTDs) Temperature Relay

• 49TH Thermocouple Overtemperature

• 49TL Thermocouple Undertemperature

• 51 Overcurrent

• 59 Overvoltage

• 59T Overvoltage with Time Delay

• 74SL, SH, SD Millivolt Undervoltage, Overvoltage, Under/Overvoltage

• 74TL, TH, TD Milliamp Undercurrent, Overcurrent, Under/Overcurrent

• 74VL, VH, VD DC Undervoltage, Overvoltage, Under/Overvoltage

• 76SH DC Overcurrent with Inverse Time Delay

• 81O Overfrequency

• 81U Underfrequency

• 81O/U Overfrequency/Underfrequency

• 81OT Overfrequency with Time Delay

• 81UT Underfrequency with Time Delay

• 81OT/UT Overfrequency/Underfrequency with Time Delay

Benefits

• Simplify protection by covering a wide range of applications using

BE3 relays.

• Accurate, repeatable, and reliable operation.

• Most models are available for shipment from stock.

• Easy, time-saving installation with BE3 DIN-rail devices.

• Provide economical industrial protection for motor, generator,

transformer, distribution, process control, and automatic transfer

applications.

• Many BE3 relay models are self-powered, eliminating the need for

additional power sources.