The Schneider Electric 33476 Circuit Breaker Compact NS1000H - Micrologic 2.0 - 1000 A - 4 Poles 4T is a high-performance circuit breaker that is perfect for a variety of applications. The breaker features a thermal-magnetic trip unit that provides both overload and short-circuit protection. It is also rated for 1000 A at 40 °C and has a 4-pole configuration with 4T breaking capacity.