Square D FA36090 I-Line Circuit Breaker is a 3-pole molded-case circuit breaker rated for 90 A at up to 600 V, designed for use in FA I-Line panelboards. It provides thermal-magnetic overcurrent protection with a 14 kA interrupting rating at 600 V and features an I-Line plug-in mounting for quick installation in compatible FA panelboards. This FA-series device protects three-phase feeders in industrial power distribution, offering reliable protection in demanding electrical environments and fitting the standard FA I-Line footprint.
