Product Description: The Cutler Hammer DK3400 is a Molded Case Circuit Breaker from the Series C family. It features a 3-pole design with a 240V, 400A rating and a 65kA@240V AIC rating. This breaker uses a Bolt-On connection and includes Thermal Magnetic protection for reliable performance. Key Features: ✔ Part Number: DK3400 ✔ Manufacturer: Cutler Hammer ✔ Category: Circuit Breaker ✔ Subcategory: Molded Case ✔ Family: Series C ✔ Type: DK ✔ Voltage: 240V ✔ Amperage: 400A ✔ Phase: 3 ✔ Poles: 3 ✔ AIC Rating: 65kA@240V ✔ Connection: Bolt-On ✔ Protection: Thermal Magnetic ✔ Terminal Connection: Line/Load Lug ✔ Frame Size: 400A/K ✔ Wire Size: Min. 400 MCM, Max. 500 MCM ✔ Certification: CSA Certified, IEC Rated, UL Listed ✔ UPC: 786679044155 ✔ GTIN: 00786679044155 ✔ Country of Origin: Dominican Republic