FA26040AC **Old Style** - 40 Amp Circuit Breaker

FA26040AC **Old Style** - 40 Amp Circuit Breaker

Meet the FA26040AC: a high-performance, thermal-magnetic molded-case circuit breaker designed for demanding industrial and commercial environments. With a 2-pole, 40-amp rating, this breaker delivers serious protection—up to 18 kA interrupting capacity at 480 VAC and 25 kA at 240 VAC—ideal for heavy power-distribution systems. Its I-Line plug-in design streamlines installation and maintenance, while A-C phase compatibility and HACR compliance ensure it meets HVAC and refrigeration power-system standards. Built to operate reliably at 60 Hz and up to 40 °C ambient temperature, this unit is engineered to handle challenging conditions with dependable performance and long life.

Key Features and Benefits

• High interrupting capacity: 18 kA @ 480 VAC and 25 kA @ 240 VAC for outstanding short-circuit protection in tough environments.
• Fast, plug-in setup: I-Line style mounting simplifies installation and saves on labor.
• Thermal-magnetic protection: Designed to guard against both overloads and short circuits, giving you a safety net in one package.
• Durable molded-case design: Built with quality materials to resist mechanical and environmental stress for long-term reliability.

Technical Specifications

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

Material Compliance and Certifications

• HACR Compliance: This circuit breaker is HACR-compliant, meeting standards for heating, air-conditioning and refrigeration applications.
• Construction: It is constructed using high-grade, fire-retardant and impact-resistant materials to maximize safety and durability in industrial settings.
• Industry Standards: Its design adheres to rigorous industry norms for environmental and operational reliability.
  

Where It Works Best

• The FA26040AC is an excellent choice for electrical systems in manufacturing plants, HVAC or refrigeration facilities, commercial buildings and other power-distribution networks where uptime, safety and efficiency are critical. Its high interrupting capacity and dual-pole design make it perfectly suited for applications demanding reliable overload and short-circuit protection while minimizing downtime and maintenance burdens.