QB2430-40 - 40 Amp Circuit Breaker

QB2430-40 - 40 Amp Circuit Breaker

Keep your electrical systems running smoothly and safely with the QB2430‑40 40 Amp 3‑Pole Circuit Breaker. Engineered for superior overload and short‑circuit protection, this bolt-on breaker is a trusted choice for residential, commercial, and industrial panel upgrades. Compact yet dependable, it delivers dependable peace of mind whenever electrical demands intensify.

Key Features and Benefits

• Reliable Safety Shield: Quickly interrupts current surges, offering dependable protection against overloads and short circuits.
• Compact Aesthetics: Slim profile (2.25″W × 4.81″L × 2.50″D) makes it easy to integrate into existing panels without crowding available space.
• Sturdy Bolt‑On Mounting: Secure installation eliminates loose connections and improves system integrity.
• All‑Purpose Use: Ideal for routine maintenance, system upgrades, or emergency replacements across homes, offices, factories, and more.
• Built to Last: Made from impact-resistant materials designed to endure demanding conditions and frequent cycling.

Technical Specifications

• Poles: 3‑pole
  
• Amperage: 40 A
  
• Voltage & AIC Rating: 10 kA @ 240 VAC
  
• Frame Type: QB
  
• Weight: ~3.25 lb
  
• Dimensions:
  • Width: 2.25 inches
  • Length: 4.81 inches
  • Depth: 2.50 inches
• Installation: Bolt-on
  

Material Compliance and Certifications

• Industry Standards: The QB2430‑40 meets or exceeds all major industry standards for electrical safety and performance. It is built to provide reliable service under UL, IEC, and NEMA-style testing conditions, ensuring your installation remains up to code and operating safely.

Suitability

• Perfect for maintenance, panel retrofits, or replacing worn components in existing installations. Whether you're managing a home circuit panel, an office facility, or a production-line switchboard, this breaker delivers consistent protection and reliability. Its compact bolt-on design makes it especially useful in tight quarters or high-volume setups.