Single-pole Q-Line plug-in circuit breaker 20A THQL1120, 1 in (25.4 mm) wide, thermal-magnetic, quick-make/quick-break, common trip, 120/240 VAC, 10 kAIC interrupting rating, single pack

Single-pole Q-Line 20A plug-in circuit breaker, 1pc
✔️ 1 in (25.4 mm) wide, 120/240 VAC, 20A, 10 kAIC, thermal-magnetic

This single-pole Q-Line plug-in circuit breaker is a single-unit breaker for residential and commercial load centers and lighting panels. It offers quick-make/quick-break switching and easy-to-see trip indication for fast diagnostics.

✅ Part number THQL1120, single pole, single unit
✅ Width: 1 in (25.4 mm) fits Q-Line plug-in frames
✅ Rating: 20A, 120/240 VAC system voltage; 10 kAIC interrupting rating
✅ Thermal-magnetic trip, quick-make/quick-break mechanism, common trip bar
✅ Ideal for load centers and lighting panels; plug-in frame for fast replacement

💡 What is a plug-in Q-Line circuit breaker used for in residential load centers? This helps explain why installers and homeowners pick plug-in breakers for everyday electrical needs. - Protects branch circuits and lighting from overloads and short circuits while matching panel specs - Lets electricians swap breakers quickly in load centers and lighting panels without rewiring - Provides visible trip indication and reliable thermal-magnetic protection for fast troubleshooting