Relay Specialties, Inc. - Littelfuse - Products - Protection Relays

Available with normally open (Form A) or combination normally open–normally closed (Form C) contacts
Fail safe/Non-fail safe contact operations
Conformal coatings protect internal circuits against corrosion
DFT harmonic filtering
LED screen displays measured and calculated parameters
Onboard 64-event recorder helps with diagnosing system performance

Model	Image	Description
FPS SERIES		The FPS Feeder Protection System monitors voltage and current to provide a comprehensive package of 17 protective functions. The FPS is a modular system with integrated protection, breaker control, metering, and data-logging functions.
FPU-32 SERIES		The FPU-32 Feeder Protection Unit provides integrated protection, metering, and data-logging functions. It is an excellent choice for retrofitting and upgrading older relays because of its compact size and ability to use existing CTs. The FPU-32 is used to protect distribution feeders in processing, manufacturing, petroleum, chemical, and wastewater treatment facilities.