Product Description: The Cutler Hammer MCP431550CR is a Molded Case Circuit Breaker from the MCP Series. It features a 3-pole design with a 600V, 150A rating and a 65kA@480V AIC rating. This breaker uses a Bolt-On connection and offers Magnetic Only protection. Key Features: ✔ Part Number: MCP431550CR ✔ Manufacturer: Westinghouse||Cutler Hammer ✔ Category: Circuit Breaker ✔ Subcategory: Molded Case ✔ Family: MCP Series ✔ Type: MCP ✔ Voltage: 600 ✔ Amperage: 150 ✔ Phase: 3 ✔ Poles: 3 ✔ AIC rating: 65kA@480V ✔ Connection: Bolt-On ✔ Functions: I - Instantaneous ✔ Protection: Magnetic Only ✔ Weight: 5