FA14050A | Square D 50A 1-Pole 480Y/277V Thermal Magnetic Molded Case Circuit Breaker

Schneider Electric · Circuit Breakers & Protection

Description  The Square D FA14050A is a 1-pole thermal magnetic molded case circuit breaker engineered for dependable overcurrent and short-circuit protection. Rated at 50 amps and 480Y/277V, it offers an 18kA interrupting capacity to ensure safety in demanding power distribution systems. Featuring an I-Line plug-in connection, this breaker is ideal for use in commercial and industrial panelboards requiring high performance and reliability.     Technical Specifications  Condition New/Never Used Surplus Brand Square D Category Circuit Protection Part Number FA14050A Subcategory Molded Case Circuit Breakers Series FA Type Thermal Magnetic Rated Current 50 A Rated Voltage 480Y/277 V AC Interrupting Capacity 18 kAIC @ 277 V Number of Poles 1 Trip Functions Long-Time and Instantaneous (LI) Connection Type I-Line Style Plug-In Mounting Mode I-Line Protection Type Overload and Short Circuit Certifications UL Listed, CSA Certified Operating Temperature 40 °C Dimensions (H x W x D) 6.4 x 1.5 x 4.13 in Frame Type FA Country of Origin Mexico Weight 4 lb (1.81 kg)     Information About FA14050A The FA14050A is part of Square D’s FA Series, a robust line of molded case circuit breakers designed for efficient installation and long-term performance. Its I-Line plug-in mounting system allows for quick connection and removal in I-Line panelboards, minimizing downtime during maintenance. Built with a thermal-magnetic trip unit, it provides precise long-time and instantaneous trip protection against overloads and faults. The breaker is UL Listed and CSA Certified, making it suitable for a wide range of industrial, commercial, and institutional electrical systems. Key Features: Thermal-Magnetic Protection: Provides both long-time and instantaneous trip response for overload and short-circuit protection. Rated Current: 50A continuous current capacity for single-pole circuits. Voltage Rating: Supports operation at 480Y/277V AC for high-capacity systems. Interrupting Capacity: 18kAIC at 277V ensures safe interruption under fault conditions. I-Line Mounting: Plug-in design simplifies installation and removal in compatible panelboards. Certified Compliance: Meets UL and CSA standards for safety and performance. Compact Construction: Durable molded case with a height of 6.4 inches for space-efficient installation. Temperature Rating: Operates reliably at ambient temperatures up to 40°C. The FA14050A delivers the reliability and precision required for modern electrical distribution systems in industrial and commercial environments.

Brand: Schneider Electric · Category: Circuit Breakers & Protection

Key features

• Thermal-Magnetic Protection: Provides both long-time and instantaneous trip response for overload and short-circuit protection.
• Rated Current: 50A continuous current capacity for single-pole circuits.
• Voltage Rating: Supports operation at 480Y/277V AC for high-capacity systems.
• Interrupting Capacity: 18kAIC at 277V ensures safe interruption under fault conditions.
• I-Line Mounting: Plug-in design simplifies installation and removal in compatible panelboards.
• Certified Compliance: Meets UL and CSA standards for safety and performance.
• Compact Construction: Durable molded case with a height of 6.4 inches for space-efficient installation.
• Temperature Rating: Operates reliably at ambient temperatures up to 40°C.

Specifications

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