The Westinghouse JA4225NW Molded Case Circuit Breaker provides overcurrent and short-circuit protection for high-capacity three-phase power circuits in commercial and industrial electrical distributions. This 4-pole, 225 A, 600 V AC bolt-on unit features a thermal-magnetic trip and comes with mounting bolts for panelboards, switchgear assemblies, and motor control centers, making it suitable for branch circuit and equipment protection in commercial and industrial settings. Common replacements include Square D KA36200, reflecting its role in industrial power distribution.
