KA36125 - 125 Amp Circuit Breaker

KA36125 - 125 Amp Circuit Breaker

When you’re running a commercial or industrial electrical system where reliability is non-negotiable, the KA36125 circuit breaker stands out as a high-performance solution. Engineered for I-Line panelboards, this 125-amp, three-pole breaker is built to protect critical systems from overloads and short-circuit conditions with precision. Operating at 60 Hz and rated for an ambient temperature of 40 °C, it meets the rigorous requirements of modern installations while making your safety and uptime its priority. With molded-case construction, thermal-magnetic trip technology, and high interrupting capacity, the KA36125 gives you the peace of mind that your equipment is protected and your system remains reliable.

Key Features and Benefits

• Exceptional Durability: The molded-case construction gives this breaker the strength to handle demanding environments and long service life.
• Thermal + Magnetic Protection: Overload conditions trigger the thermal element while short circuits are handled by the magnetic element — a combination that offers dependable protection.
• High Interrupting Capacity: With ratings of 22 kA at 600 V AC, 22 kA at 480 V AC, and 25 kA at 240 V AC, this breaker is built to interrupt high fault currents safely and effectively.
• I-Line Compatibility: Designed specifically for I-Line panelboards, it fits seamlessly and makes installation simpler, reducing downtime and labor.
• Performance in Real-World Conditions: Rated for ambient operation at 40 °C and configured for three poles at 125 amperes, you get reliable operation where it matters most.
  

Technical Specifications

• Poles: 3
  
• Amperes: 125 A
  
• Frame Type: KA
  
• Interrupting Ratings (A.I.C.):
  • 22 kA @ 600 VAC
  • 22 kA @ 480 VAC
  • 25 kA @ 240 VAC
• Operating Frequency: 60 Hz
  
• Ambient Temperature Rating: 40 °C
  
• Dimensions:
  • Width: 4.50″
  • Length: 10.50″
  • Depth: 4.38″
• Weight: 12 lbs
  

Material Compliance and Certifications

• Industry Standards: The KA36125 is constructed from premium, environmentally-compliant materials and meets industry standards for performance and safety—giving you confidence that your system protection is up to spec and aligned with modern regulations.
  

Where It Works Best

• Commercial buildings: Ideal for safeguarding critical power circuits in office towers, retail facilities, hotels and similar installations.
• Industrial environments: Handles heavy-duty loads and fault scenarios typical in manufacturing plants, processing facilities, and infrastructure sites.
• Renewable energy systems: Well-suited for protection in solar, wind, and other renewable installations where high fault-current capacity and reliable operation are essential.