QBHW2045 - 45 Amp Circuit Breaker

Eaton QBHW2045 - 45 Amp Thermal-Magnetic Circuit Breaker

Keep your electrical system safe and performing at its best with the Eaton QBHW2045 thermal‑magnetic circuit breaker. This dual‑pole, high‑capacity breaker is built to protect against overloads and short circuits in demanding industrial, commercial, and large residential settings. If you want dependable protection without extra fuss, this breaker handles the heavy lifting so you don’t have to worry.

Key Features and Benefits

• High Load Capacity: Rated 45 amps, this breaker supports large electrical loads—ideal for heavy machinery or multi-unit power circuits.
• Strong Interrupting Power: With a 22,000 AIC (Amps Interrupting Capacity), it interrupts dangerous fault currents quickly—helps prevent fires, equipment damage, and costly downtime.
• Thermal‑Magnetic Trip Mechanism: Blends thermal protection (for prolonged overloads) with magnetic protection (for sudden short‑circuits) to deliver accurate, reliable performance.
• Dual‑Pole Configuration: Handles two poles simultaneously—useful for 240 V circuits and applications requiring balanced power distribution.
• Compact Design & Lightweight: Only about 3.1″ × 0.9″ × 2″ and 0.3 lbs—easy to install even in space‑tight panels, yet still built to last.
  

Technical Specifications

• Amperage Rating: 45 A
  
• Interrupting Rating (AIC): 22,000 (22 kAIC)
  
• Voltage Rating: 240 V
  
• Number of Poles: 2 (Dual‑Pole)
  
• Trip Type: Thermal‑magnetic non‑interchangeable
  
• Dimensions:
  • Length: 3.1 inches
  • Width: 0.9 inches
  • Height: 2 inches
• Weight: 0.3 lbs
  

Material Compliance and Certifications

• UL Listed: Tested for safety under Underwriters Laboratories standards—gives you confidence in performance.
• CSA Certified: Complies with Canadian Standards Association safety and performance rules.
• HACR‑rated: Approved for use with heating, air conditioning, and refrigeration equipment—suitable for versatile installations.
  

Suitability

• This circuit breaker is a solid choice wherever heavy loads, reliability, and safety matter most. Use it in commercial buildings, factories, large workshop panels, or big residential houses with high-demand systems. It protects circuits powering motors, compressors, HVAC units, or multi‑outlet power banks. If your project or system demands a high‑amp, high‑safety solution, the Eaton QBHW2045 is designed to deliver steady performance under stress.