QBHW1045 - 45 Amp Circuit Breaker

QBHW1045 - 45 Amp Circuit Breaker

Protect your electrical system with confidence using the Eaton QBHW1045 Quicklag Industrial Thermal‑Magnetic Circuit Breaker. Built for high‑demand industrial jobs, this single‑pole breaker handles up to 45 amps and delivers an interrupting capacity of 22 kAIC, helping prevent serious damage during overloads or short‑circuits. Compatible with both 120/240V circuits, it adapts smoothly to many setups—making it a trusted choice for electricians, contractors, or facility managers.

Key Features and Benefits

• High Interrupting Capacity (22 kAIC): Able to stop dangerous fault currents fast, reducing risk to your equipment.
• Thermal‑Magnetic Trip Mechanism: Offers combined protection—overload protection via the thermal element and fast reaction to short circuits via the magnetic trip.
• Compact & Lightweight Form: At approximately 1 inch in width and height, and just about 1 lb, it’s easy to install in tight spaces without sacrificing performance.
• Bolt‑On Mounting: Ensures a secure, stable connection in industrial panels—helps avoid loose or unreliable installations.
• Single‑Pole Configuration: Ideal when you need protection on one circuit line—common in lighting, HVAC, and smaller motor control applications.

Technical Specifications

• Amperage Rating: 45 Amps
• Voltage Rating: 120 / 240 Volts
• Interrupting Capacity: 22 kiloamps Interrupting Capacity (kAIC)
• Trip Type: Thermal‑Magnetic
• Poles: Single‑Pole
• Mounting Method: Bolt‑On
• Approximate Dimensions: ~1 in (L) × 1 in (W) × 1 in (H)
• Approximate Weight: ~1 lb

Material Compliance and Certifications

• UL Listed: Meets strict safety and performance standards set by Underwriters Laboratories.
• CSA Certified: Complies with Canadian Standards Association requirements, offering peace of mind across North America.
• HACR Rated: Approved for use with Heating, Air Conditioning, and Refrigeration (HACR) equipment—versatile choice for HVAC systems.

Where It Works Best

• This breaker is an excellent match for industrial or commercial settings where reliable circuit protection is essential. Use it in manufacturing plants, workshop control panels, motor starter circuits, or large‐scale HVAC installations. It’s especially useful in situations with high fault‑current potential where safety and uptime are non‑negotiable. If you need a dependable solution that handles load spikes without compromising safety, the QBHW1045 delivers.