QO 30 Amp 2-Pole 240V Bolt-On Circuit Breaker
SKU: EQOB230
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Features
Specifications
Part of the QO family, the Square D QOB230 delivers reliable overcurrent protection for commercial systems. This 2-pole, 30A miniature circuit breaker provides a 10kAIC rating at 120/240VAC. It installs into NQ and NQOD panelboards using a secure bolt-on connection, ensuring stable performance in demanding environments. The unit includes Square D's signature Visi-Trip visual indicator to quickly identify tripped circuits, and is HACR rated for HVAC equipment.
| Brand | Square D |
|---|---|
| Date Added | May 28, 2026 |
| UPC | 785901783565 |
| Store Location (Lititz, PA) | Aisle 08, Section D2 |
| Package Length (in) | 3.70" |
| Package Width (in) | 3.50" |
| Package Height (in) | 1.60" |
| Manufacturer Part Number | QOB230 |
| Series | QOB |
| Part Number | QOB230 |
| Amperage | 30A |
| Voltage | 120VAC, 120/240VAC, 48VDC |
| Poles | 2 |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC, 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, UL 489, NEMA AB 1, HACR |
| Approval | CSA, HACR, RoHS, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Common Trip |