The Eaton NSB CHB120 Miniature Circuit Breaker is a 1-pole (1P) MCB rated for 20 A at 240 V AC with 50/60 Hz operation. It is designed for single-phase electrical systems and is part of Eaton’s NSB CHB series. This compact device provides overcurrent protection for 240 V, single-phase circuits in panelboards and other low-voltage installations equipped for CHB-type breakers.
