- Voltage: 120 V / 120/240 V / 120V / 240/208 V
- Warranty: Lifetime / Standard
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The Siemens Type QT (models Q1515NCU, Q2020NCU, Q1520NC, Q3030NC) is a tandem non-CTL circuit breaker that delivers two independent 15 A or 20/30 A single-pole circuits in a single 1-inch panel slot — ideal for expanding branch-circuit capacity in space-limited Siemens load centers and pre-1968 non-CTL panels. Plug-in mounting simplifies installation; thermal-magnetic LI trip protects against overloads and short circuits. Accepts #14–6 AWG copper or #12–6 AWG aluminum wire. Rated 10 kAIC at 120/240 VAC, 40°C, with HACR and SWD ratings; listed to UL 489 and CSA C22.2 No. 5.
Features
| Brand | Siemens |
|---|---|
| Voltage | 120 V / 120/240 V / 120V / 240/208 V |
| Number of Poles | Single / 1 |
| Phase | 1 Phase |
| NEMA Enclosure Rating | NEMA 3R |
| Mount Type | Plug-On |
| Certifications | UL Listed / UL Certified |
| Warranty | Lifetime / Standard |