Product image is representative; revision or series may vary. Contact us to request a specific version.
Designed for robust electrical protection, the QBA221251 circuit breaker from Schneider Electric's QB Series is rated for 240 VAC. This device operates as a single-phase unit with a current rating of 125 A, and it features two poles for effective circuit management.
We sell industrial automation parts backed by our free 2-Year DO Supply Warranty.
Same-day domestic and fast international shipping with UPS, FedEx, DHL, and more.
AMEX, Visa, MasterCard, Discover, wire transfer, net terms, and more.
Repairs and exchanges are available for all automation products.
Drop shipping, blind shipping, and account shipping with no extra fees.
| Manufacturer | Schneider Electric |
|---|---|
| Product Type | Circuit breaker |
| Product Line | QB Series |
| Part Number | QBA221251 |
| UPC | 785901403807 |
| Weight | 5.00 lbs (2.27 kg) |
| Rated Voltage | 240 VAC |
| Number Of Phase | 1-Phase |
| Number Of Poles | 2 |
| Rated Current | 125 A |
| Interrupt Rating | 10 kA |
| Functions | LI - Long-Time and Instantaneous |
| Protection Category | Thermal Magnetic |
| Connections | 1-Line Style Plug-in |
| Min. Temperature Range | 0°C |
| Max. Temperature Range | 40°C |
| Max. Relative Humidity | 80% (non-condensing) |
| Max. Altitude | 1000m above sea level |
The QBA221251 model, part of Schneider Electric's QB Series, is a circuit breaker engineered for reliable performance in electrical systems. It supports a rated voltage of 240 VAC and is designed as a single-phase, two-pole configuration. With a rated current capacity of 125 A, this breaker ensures adequate protection for the associated circuits.
It features a thermal magnetic protection category, facilitating both long-time and instantaneous circuit interruption for enhanced safety. The interrupt rating of 10 kA allows this breaker to handle overloads effectively without compromising its integrity. For installation, it employs a 1-line style plug-in connection method, simplifying the integration process.
The unit weighs 2.17 lbs, making it manageable during installation and maintenance. Operating conditions for the QBA221251 include a minimum temperature of 0°C and a maximum temperature of 40°C, ensuring functionality in a variety of environments. Additionally, the breaker can withstand humidity levels of up to 80% without condensation and is rated for operation at altitudes up to 1000 meters above sea level.