Arc-Flash Protection Relays

Don't Rely On PPE Alone To Protect Workers!
The Littelfuse Award-winning Arc-Flash Relays help you improve safety and reduce equipment downtime in the event of an arc flash. Their simple plug-and-play installation make them the perfect, cost-effective solution.


Arc-Flash Protection Relays by Littelfuse

AF0100 Arc-Flash Relay Protection Video

Mighty Small
Arc-Flash Relay - AF0100

The new Littelfuse AF0100 Arc-Flash Relay is mighty yet small. Delivers leading edge arc-flash technology at a size and price to make improved electrical safety accessible for everyone.





In the Zone
AF0500 Arc Flash Relay

The Littelfuse AF0500 Arc-Flash Relay delivers a flexible design and unrestricted scalability making it ideal for retrofits in electrical equipment. In addition, the AF0500 offers:

5pxH-green-square-bulletSavings of 90% over installation of arc-resistant switchgear

5pxH-green-square-bulletTwo internal trip paths for added reliability

5pxH-green-square-bulletTie breaker and zone tripping capabilities; one relay has the
   ability to trip two separate zones



Advanced Protection PGR-8800 Arc-Flash Relay Video


Advanced Protection
PGR-8800 Arc-Flash Relay

The PGR-8800 Arc-Flash Relay utilizes built-in redundancies and health monitors to make maintenance and installation tasks more efficient. Among  many other features, it offers:

5pxH-green-square-bulletFault verification abilities through optimal current detection

5pxH-green-square-bulletDurable and flexible sensor design which eliminates breakage

5pxH-green-square-bulletTwo types of light sensors (point & fiber optic) for 
   different applications

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Relay Saves Plant from Catastrophic Damage


Relay Saves Plant From Catastrophic Damage
"Had this relay not been there, they were looking at between $800,000 to $1 million
of cost..."

Download the PGR-8800 Arc-Flash Case Study to learn how one customer narrowly avoided nearly $1 million in damages and months of downtime.
» Click here to read more and watch the case video