Single Unit THQLT2020 Q-Line Tandem Circuit Breaker 20A/1P + 20A/1P Plug-in 120/240V 10 kAIC Non-Interchangeable Trip Fits PowerMark Load Centers Residential Commercial

Single Unit THQLT2020 Tandem 20A+20A 120/240V
✔️ Dual 20A poles, single-slot plug-in, 10 kAIC, non-interchangeable trip

This single tandem circuit breaker gives two 1-pole circuits in one panel slot and is used in residential and light commercial load centers to save space while adding circuits.

✅ Model: THQLT2020
✅ Capacity: 20A per pole, two independent 1P circuits
✅ Mount: Plug-in single-slot, fits many PowerMark and common load centers
✅ Rating: 120/240V, 10 kAIC interrupting capacity
✅ Trip: Fixed non-interchangeable thermal-magnetic trip
✅ Use: Adds lighting, small appliance, or equipment circuits where panel space is limited

💡 What is a tandem circuit breaker used for in residential load centers? A tandem breaker is a handy option when you want more circuits but limited panel space. - Installs two independent 1-pole circuits in the footprint of one full-size slot for cramped panels - Keeps thermal-magnetic protection with 20A per pole and a 10 kAIC interrupt rating for safety - Common choice for adding lighting, receptacle, or small-appliance circuits in single-phase load centers