Q1L2125 - 125 Amp Circuit Breaker

Q1L2125 - 125 Amp Circuit Breaker

The Q1L2125 125A feed-thru thermal magnetic circuit breaker is engineered for dependable performance in commercial and industrial electrical systems. Built to replace or upgrade existing setups, it delivers dependable protection from overloads and short circuits while fitting into tight panel spaces. Whether you're servicing existing infrastructure or making selective upgrades, this breaker ensures safety with ease and efficiency.

Key Features and Benefits

• High current capacity: Rated at 125A, it accommodates heavy loads with assured performance.
• Thermal + magnetic protection: Hybrid protection guards against both long-term overloads (thermal) and sudden surges or short circuits (magnetic).
• Feed-thru configuration: Enables in-line power feeding through the breaker itself, simplifying wiring and reducing connectors.
• Space efficiency: Uses just 4 panel spaces, making it ideal for retrofitting or adding protection in panels with limited room.
• Easy integration: Designed to match the style and frame of common industrial breaker panels, minimizing disruption.

Technical Specifications

• Poles: 2
  
• Amperage: 125 A
  
• Interrupting Rating: 10 kAIC @ 120/240 VAC
  
• Frame Type: Q1L
  
• Panel Spaces Used: 4
  
• Dimensions:
  • Width: 1.50 inches
  • Length: 6.38 inches
  • Depth: 2.31 inches
• Ship Weight: ~3.5 lbs
  

Material Compliance and Certifications

• Industry Standards: This breaker is produced to meet rigorous industry standards for safety and performance. Every component—from its thermal element to the housing—is manufactured for durability and long-term reliability.
• Certifications: It’s certified to carry required interrupting ratings and conforms to applicable electrical safety norms, ensuring it performs reliably under real-world conditions.
  

Where It Works Best

• The Q1L2125 is ideal for maintenance, retrofit, or replacement tasks in industrial, commercial, or utility settings. If you’re working within a pre-existing panel and need a dependable 125A protection device without overhauling wiring layouts, this breaker is a strong match. It’s especially useful in factories, large equipment rooms, warehouses, or buildings where electrical loads are significant and service continuity is critical.