The Eaton NSB CHF245 two-pole miniature circuit breaker (2P) is rated 45 A at 240 V and designed for 50/60 Hz single‑phase distribution. As part of Eaton's CHF245 MCB family, it provides overcurrent and short‑circuit protection for a two‑wire, 240 V circuit in residential or light commercial panel installations. Suitable for 1‑phase systems, it protects wiring and devices connected to standard 240 V power runs.
