The Square D™ QOB120 is a QO™ bolt-on miniature circuit breaker rated at 20A, 1-pole, for 120/240 VAC systems. Provides 10 kA interrupting capacity with thermal/magnetic trip. Bolt-on mount design for secure installation in NQOB and NQ panelboards or interiors. Accepts wire sizes #14 to #8 AWG (copper or aluminum). Features common trip and pressure plate terminals. HACR rated. UL Listed and CSA certified. Ideal for commercial and industrial branch circuit protection in panelboard applications.
