Eaton QPHW1020 Miniature Circuit Breaker NSB Series

The Eaton NSB QPHW1020 miniature circuit breaker is a single-pole protective device designed to interrupt current on a single live conductor when an overcurrent occurs. It is rated for 20 amperes at 240 volts, supports 50/60 Hz electrical systems, and serves as a straightforward solution for protecting individual circuits in standard AC distribution layouts. As part of Eaton's NSB series, the QPHW1020 delivers automatic interruption to prevent damage from overloads or short circuits and to safeguard wiring and connected devices. The model designation QPHW1020 identifies its 1P configuration and 20A rating within the NSB lineup, aiding correct selection, replacement, and inventory management in compatible installations.