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Schneider Electric QB Series QBA221251

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QBA221251

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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.

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Technical specifications for QBA221251

ManufacturerSchneider Electric
Product TypeCircuit breaker
Product LineQB Series
Part NumberQBA221251
UPC785901403807
Weight5.00 lbs (2.27 kg)
Rated Voltage240 VAC
Number Of Phase1-Phase
Number Of Poles2
Rated Current125 A
Interrupt Rating10 kA
FunctionsLI - Long-Time and Instantaneous
Protection CategoryThermal Magnetic
Connections1-Line Style Plug-in
Min. Temperature Range0°C
Max. Temperature Range40°C
Max. Relative Humidity80% (non-condensing)
Max. Altitude1000m 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.