The Square D™ QOB220 is a QO™ bolt-on miniature circuit breaker rated at 20A, 2-pole, for 120/240 VAC systems. Provides 10 kA interrupting capacity with common/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). Dimensions: 2.91 in L x 1.5 in W x 3 in H. HACR rated. UL Listed and CSA certified. Suitable for commercial and industrial 240V branch circuit protection in panelboard applications.
