QO 20 Amp 1-Pole 240V Bolt-On Circuit Breaker
SKU: EQOB120
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Features
Specifications
Designed for reliable power distribution, the Square D QOB120 is a 1-pole, 20A miniature circuit breaker. It delivers standard thermal-magnetic protection for commercial facilities, safeguarding branch circuits from overcurrents. This unit mounts securely into Square D NQ and NQOD panelboards using a bolt-on connection. It accepts 14-8 AWG wire sizes via pressure plate terminals. Rated for 10 kAIC at 120/240V, it is SWD rated for switching lighting loads and includes a Visi-Trip indicator.
| Brand | Square D |
|---|---|
| Date Added | May 28, 2026 |
| UPC | 360648614431 |
| Store Location (Lititz, PA) | Aisle 08, Section D2 |
| Package Length (in) | 0.80" |
| Package Width (in) | 3.40" |
| Package Height (in) | 3.30" |
| Manufacturer Part Number | QOB120 |
| Series | QOB |
| Part Number | QOB120 |
| Amperage | 20A |
| Voltage | 120/240VAC, 48VDC |
| Poles | 1 |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 48VDC |
| Mounting Style | Bolt-On |
| Terminal Type | Pressure Plate |
| For Use With | NQ Panelboards, NQOD Panelboards |
| Trip Technology | Thermal Magnetic |
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, SWD, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, SWD Rated |