Description
Description
A Square D QOB120 breaker is a 20‑amp, single‑pole, bolt‑on miniature circuit breaker designed for the Square D QO™ panelboard family. It provides reliable overcurrent and short‑circuit protection for residential, commercial, and light‑industrial branch circuits. It operates at 120/240 VAC with a 10 kA interrupting rating, and its bolt‑on mounting ensures a secure mechanical connection in NQ/NQOD panelboards. Many versions include the Visi‑Trip indicator, which shows a red flag when the breaker has tripped.
Features
- 20‑amp, single‑pole thermal‑magnetic circuit breaker
- Bolt‑on mounting for secure installation in NQ and NQOD panelboards
- Compatible with Square D QO‑series bolt‑on distribution panels
- 120/240 VAC rating for residential, commercial, and light‑industrial circuits
- 10 kA interrupting rating
- Visi‑Trip indicator for quick identification of a tripped breaker
- HACR‑type rated for heating, air‑conditioning, and refrigeration loads
- UL‑Listed and CSA‑certified
