EATON Arc Flash Relays


Eaton arc flash relays detect and interrupt electrical arcs in large industrial and commercial settings. They use sensors connected to the relay via a wired connection to detect both light & current to eliminate nuisance. These sensors enhance the accuracy and speed of detection of an arc t...o reduce the risk of damage caused by arc flash incidents. Their compact and modular design allows simple integration into electrical assemblies.Read more

Filter
StyleModelHeightMounting TypeAmps Sensing InputsPower SupplyDigital OutputsTrip ContactFrequencyVoltage Sensing InputsPrice
A
EAFR-101D
4.33"DIN Rail0120-240V DC/125-250V AC4Normally Open50/60 Hz0€3,983.09
A
EAFR-101DB
4.33"DIN Rail0120-240V DC/125-250V AC4One Normally Closed50/60 Hz0€3,993.70
A
EAFR-110F
6.18"Panel1120-240V DC/125-250V AC6Normally Open50/60 Hz0€14,043.98
B
EAFR-110P
6.18"Panel1120-240V DC/125-250V AC6Normally Open50/60 Hz0€12,873.64
A
EAFR-101B
6.18"Panel0120-240V DC/125-250V AC4One Normally Closed50/60 Hz0-
RFQ
A
EAFR-110PB
6.18"Panel1120-240V DC/125-250V AC6One Normally Closed50/60 Hz0-
RFQ
A
EAFR-101S
6.18"Panel0120-240V DC/125-250V AC4Normally Open50/60 Hz0€5,395.74
A
EAFR-102
6.18"Panel0120-240V DC/125-250V AC4Normally Open50/60 Hz0€4,110.78
B
EAFR-101
6.18"Panel0120-240V DC/125-250V AC4Normally Open50/60 Hz0€3,742.79
A
EAFR-110FB
6.18"Panel1120-240V DC/125-250V AC6One Normally Closed50/60 Hz0€16,033.79
A
EAFR-102B
6.18"Panel0120-240V DC/125-250V AC4One Normally Closed50/60 Hz0€4,287.52
A
EAFR-110PLV
6.18"Panel1120-240V DC/125-250V AC6Normally Open50/60 Hz0€13,453.22
A
EAFR-101-B
6.18"Panel018-72V DC4Normally Open50/60 Hz0€3,742.79

Working Mechanism

  • These relays use light and current sensors to detect the light emitted and current flow during an arc flash.
  • Once the arc is detected, the relay sends a trip signal to the breaker, which opens the contacts and interrupts the current.

Frequently Asked Questions

What is an arc flash?

An arc flash is a sudden release of energy caused by an electric arc which can cause fire or explosion if not interrupted in time.

How to install point sensors?

  • Point sensors can be installed either on or through the compartment wall using two screws.
  • In this arrangement, the unit turns around and the sensor's point protrudes through a small hole cut in the wall.
  • This allows the body of the sensor and cabling to be located outside the compartment to be protected.
  • The screws are attached from the back side of the sensor to firmly fix the unit.
  • No external mounting plates are needed during the installation.

What is the difference between AFDD and AFR-type flash relays?

  • AFDD (arc flash detection device) is a type of relay that uses current and voltage sensors to detect an arc flash and send a signal to the breaker to trip.
  • AFR (arc flash relay) uses a combination of current, voltage and thermal sensors to detect an arc fault and interrupt the current by tripping the breaker closest to the arc flash.

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