FA26040AC - 40 Amp Circuit Breaker

FA26040AC - 40 Amp Circuit Breaker

Introducing the FA26040AC 40-Amp mold-case circuit breaker — engineered to deliver high-performance protection in demanding industrial and commercial settings. This two-pole, thermal-magnetic breaker features an 18 kA interrupting rating at 480 VAC and 25 kA at 240 VAC, making it ideal for power systems that must handle heavy fault currents. Its I-Line style plug-in design supports quick installation, and compatibility with A-C phase wiring ensures flexibility across a range of applications. Rated for 60 Hz operation at up to 40 °C ambient, the FA26040AC provides dependable circuit protection tailored for HVAC, manufacturing, and other mission-critical environments.

Key Features and Benefits

• High Interrupting Capacity: Delivers 18 kA at 480 VAC and 25 kA at 240 VAC, offering top-level short-circuit protection where failure isn’t an option.
• I-Line Plug-In Format: Lets electricians install it faster and more securely — reducing downtime and labour cost.
• Thermal-Magnetic Protection: Combines overload defence and short-circuit response in one unit, simplifying your electrical protection strategy.
• Durable Molded-Case Construction: More durable than standard breakers thanks to its moulded-case construction, built to resist mechanical stress and harsh conditions, giving you longer service life.
• A-C Phase Compatibility: Ensures this breaker fits a wide array of power distribution setups — ideal when you need flexibility across installations.
  

Technical Specifications

• Poles: 2
  
• Amperage Rating: 40 A
  
• Interrupting Capacity:
  • 18 kA at 480 VAC
  • 25 kA at 240 VAC
• Frame Type: FA
  
• Frequency: 60 Hz
  
• Ambient Temperature Rating: 40 °C
  
• Phase Compatibility: A-C
  
• Dimensions:
  • Width: 3.00 inches
  • Length: 8.75 inches
  • Depth: 4.38 inches
• Weight: 6.25 lbs
  

Material Compliance and Certifications

• HACR-Compliant Design: Ensures suitability for heating, air-conditioning and refrigeration systems.
• High-Grade Construction: Constructed from high-grade, fire-retardant and impact-resistant materials to meet strict safety and environmental standards.
• Safety Assurance: Built to adhere to recognised operational and environmental safety requirements so you can install with confidence.
  

Where It Works Best

• The FA26040AC circuit breaker is a strong fit for industrial and commercial electrical systems where high reliability and minimal downtime are essential. Use it in HVAC installations, manufacturing plants, power distribution panels, or any facility requiring high interrupting capacity and trustworthy protection. Its plug-in I-Line format and versatile phase compatibility make it well suited for retrofit upgrades or new installations alike — especially when space is limited and efficiency matters.