The Eaton NSB CH120CAFPN Miniature Circuit Breaker is a 1-pole, 20-amp MCB rated for 240 V AC and suitable for 50/60 Hz electrical systems, delivering reliable overcurrent protection for single‑phase circuits. As part of the CH-series, it is designed for use in Eaton NSB panelboards and other compatible distribution gear, providing rapid interruption during overloads or short circuits to help protect wiring and devices downstream. The CH120CAFPN designation identifies a CH-family, 1P 20A 240V unit within Eaton's NSB lineup, offering a compact, standardized solution for correct circuit protection in 240 V electrical installations.
