The Eaton BQC220240 NSB miniature circuit breaker is a two‑pole protection device for 240V AC electrical circuits. It supports 2P operation with 20A and 40A ratings and is rated for 50/60 Hz. This BQC model protects branch circuits in residential or commercial panelboards from overloads and short circuits, providing overcurrent protection within Eaton's NSB lineup. Model name BQC220240 identifies the 2P, 240V version in Eaton’s BQC family.
