KAL36125 - 125 Amp Circuit Breaker

KAL36125 - 125 Amp Circuit Breaker

The KAL36125 125 Amp molded-case circuit breaker delivers dependable protection for your electrical systems, pairing thermal and magnetic trip functions to guard against both overloads and short circuits. Built for durability and steady long-term performance, this 3-pole breaker is a wise choice whether you're outfitting industrial installations, commercial switchgear, or high-demand infrastructure.

Key Features and Benefits

• High interrupting capacity: Supports up to 22 kA at 600 VAC, 25 kA at 480 VAC, and 42 kA at 240 VAC—so it handles severe fault conditions with confidence.
• Thermal-magnetic protection: Combines slow-response (thermal) overload protection with instantaneous (magnetic) response to short circuits, giving you dual-layer defense.
• Solid molded case design: Encapsulated housing resists wear and environmental exposure, helping maintain consistent performance over time.
• Preinstalled line and load lugs: With the lug hardware already mounted, electricians save setup time and reduce installation mistakes.
• Three-pole coverage: Perfect for three-phase systems, delivering balanced protection across all legs.

Technical Specifications

• Poles: 3
  
• Rated Current: 125 A
  
• Interrupting Ratings:
  • 22 kA at 600 VAC
  • 25 kA at 480 VAC
  • 42 kA at 240 VAC
• Operating Frequency: 60 Hz
  
• Frame Type: KAL
  
• Dimensions:
  • Width: 4.50″
  • Length: 8.00″
  • Depth: 3.69″
• Weight: Approx. 10 lb
  

Material Compliance and Certifications

• Industry Standards: This breaker meets industry safety and performance norms, ensuring it's suitable for mission-critical installations.
• Material Quality: The molded casing is made with materials that resist heat, moisture, and physical stress, helping it adhere to regulatory expectations and maintain integrity under demanding use.

Where It Works Best

• The KAL36125 shines in settings like commercial buildings, manufacturing plants, data centers, and critical infrastructure sites. It's ideal for protecting motors, transformers, large HVAC systems, and other high-value equipment. Whether you're guarding against overloads in normal daily operations or sudden faults, this breaker is engineered to keep your system safe and reliable.