Description
The Square D FA24090AC is a thermal-magnetic molded case circuit breaker designed for reliable branch circuit protection in commercial and industrial electrical systems. This 2-pole breaker is rated at 90 amps and operates at up to 480 VAC, providing dependable overcurrent and short-circuit protection. It is engineered for I-Line plug-in mounting, enabling fast installation and secure electrical connections.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Circuit Breakers |
| Part Number |
FA24090AC |
| Subcategory |
Molded Case Circuit Breaker |
| Rated Current |
90 A |
| Rated Voltage |
480 VAC |
| Number of Poles |
2 |
| Phase |
Single Phase |
| Trip Unit Type |
Thermal-Magnetic |
| Interrupting Rating |
18 kA @ 480 VAC |
| Mounting Type |
I-Line Plug-In |
| Connection Type |
I-Line Style Plug-In |
| Certifications |
UL Listed, CSA |
| Operating Temperature |
Up to 40 °C |
| Weight |
4 lb |
Information About FA24090AC
The FA24090AC is part of the Square D I-Line series, known for standardized installation and robust electrical performance. It is built with a thermal-magnetic trip unit that provides both long-time overload and instantaneous short-circuit protection. The breaker is compatible with I-Line distribution panels and switchboards used in industrial and commercial power systems. Its design supports consistent performance under continuous electrical loads while meeting UL and CSA safety standards.
Key Features:
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Thermal-Magnetic Protection: Combines long-time and instantaneous trip functions for comprehensive circuit protection.
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90 Amp Rated Current: Supports medium-duty power distribution applications.
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2-Pole Configuration: Designed for single-phase electrical systems.
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480 VAC Operating Voltage: Suitable for high-voltage commercial and industrial installations.
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I-Line Plug-In Mounting: Allows fast installation without additional mounting hardware.
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High Interrupting Capacity: Rated up to 18 kA at 480 VAC for fault protection.
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UL and CSA Certified: Meets recognized electrical safety and compliance standards.
The FA24090AC delivers the reliability and precision required for molded case circuit protection in commercial and industrial power distribution systems.