Product Description: The Merlin Gerin NSJ400A is a Molded Case Circuit Breaker from the Compact family. It features a 3-pole design with a 400 amp rating and 600V voltage capacity. This breaker has a 100kA@480V AIC rating and uses a bolt-on connection for secure installation. It provides non-automatic protection for electrical systems. Key Features: ✔ Part Number: NSJ400A ✔ Manufacturer: Merlin Gerin, Schneider Electric, Square D ✔ Category: Circuit Breaker ✔ Subcategory: Molded Case ✔ Family: Compact ✔ Type: NSJ ✔ Voltage: 600 ✔ Amperage: 400 ✔ Phase: 3 ✔ Poles: 3 ✔ AIC rating: 100kA@480V ✔ Connection: Bolt-On ✔ Protection: Non-Automatic ✔ UPC: 724165975552 ✔ Weight: 23