KCL34125 - 125 Amp Circuit Breaker

KCL34125 - 125 Amp Circuit Breaker

When you need dependable circuit protection for industrial, commercial, or large residential systems, the KCL34125 delivers. This molded-case, 3-pole breaker is built to guard against overloads and short circuits while offering easy installation and dependable performance. Whether you're upgrading an existing panel or configuring a new power distribution setup, this breaker provides peace of mind without overcomplicating things.

Key Features and Benefits

• Thermal-magnetic protection: Dual mechanism reacts to both sustained overloads and sudden surges.
• High interrupting capacity: Rated 65 kA at 480 VAC, 100 kA at 240 VAC to handle severe fault conditions.
• Line & load lugs included: Simplifies connection and ensures secure wiring.
• Designed for 40 °C ambient: Maintains performance in moderately warm environments.
• Compact, durable build: 4.50″ W × 8.00″ L × 3.69″ D, robust housing to endure installation stresses.

Technical Specifications

• Poles: 3
  
• Current Rating: 125 A
  
• Voltage / Interrupting Capacity:
  • 65 kA @ 480 VAC
  • 100 kA @ 240 VAC
• Frequency: 60 Hz
  
• Ambient Operating Temp: Up to 40 °C
  
• Frame Type: KCL
  
• Dimensions:
  • Width: 4.50″
  • Length: 8.00″
  • Depth: 3.69″
• Weight: ~10 lbs
  

Material Compliance and Certifications

• This circuit breaker is manufactured to meet or exceed industry safety benchmarks, including UL, CSA, and ANSI standards.
• Its design also respects current environmental and materials regulations, ensuring both safety and compliance without compromise.

Where It Works Best

• Industrial environments — factories, machine shops, heavy-duty systems.
• Commercial buildings — office towers, retail complexes, institutional facilities.
• Large residential or mixed-use systems — apartment complexes, large residences requiring three-phase distribution.
• High-demand settings — data centers, hospitals, manufacturing lines — wherever high fault current potential exists.