Littelfuse, Inc. PGR-8800 Series – Arc-Flash Relay PGR-8800-00

The PGR-8800-00 is an arc-flash monitoring relay that rapidly detects arc faults using light sensors and trips circuit breakers to limit damage. It operates from 100-240 V ac, 14-48 V dc, or 110-250 V dc, and accepts PGA-LS10 point sensors or PGA-LS20/LS30 fiber-optic sensors. The relay has a microprocessor-based design with a redundant solid-state trip circuit, adjustable optical trip thresholds from 9-25 klux, and phase-current-transformer inputs for current-constrained protection. It mounts on a DIN rail using adapter clips, measures 130 mm high, 200 mm wide, and 54 mm deep, and includes a USB interface for configuration and data logging. Up to four units can be linked in a system. It meets UL, CE, CSA, RCM, FCC, DNV, and ABS approvals and includes a five-year warranty.