The MasterPact NW10H1 series offers versatile circuit breaker frames to meet varying current requirements. Choose from three options with current ratings of 1000A. Each frame features a robust 4-pole fixed design, ensuring reliable electrical protection. With an impressive interrupting capacity of 65kA at 440VAC 50/60Hz (Icu), these circuit breaker frames are well-suited for demanding industrial applications. Notably, the frames come without a control unit, providing flexibility for integration into systems with external controls. Select the appropriate current rating to meet the specific needs of your electrical protection system.