QBHW1055 - 55 Amp Circuit Breaker

QBHW1055 - 55 Amp Circuit Breaker

Protect your circuits with confidence using the QBHW1055 55‑Amp Circuit Breaker. Designed to deliver dependable safety in homes, businesses, and light industrial settings, this breaker blends strong performance with long‑lasting durability. Its bolt‑on design ensures a secure mount, while a high interrupting rating of 22 kA at 120 VAC gives you peace of mind under heavy loads. Because it’s rated for operation up to 40°C, it handles heat without sacrificing safety or efficiency. Whether you’re managing HVAC loads, general lighting, or power outlets, this breaker is built to do the job well.

Key Features and Benefits

• Thermal & Magnetic Trip Mechanisms: Instantly reacts to overloads or short circuits; protects wiring and connected equipment.
• High Interrupting Capacity – 22 kA at 120 VAC: Handles surges and fault currents without failing.
• HACR Rated: Approved for use with Heating, Air Conditioning, and Refrigeration systems—gives you more flexibility in where you install it.
• Bolt‑On Mounting: Stays firmly locked in place; resists vibration and loosening, ideal for panels that see a lot of use or movement.
• 40°C Temperature Rating: Performs reliably even in warmer environments or enclosures without external cooling.

Technical Specifications

• Poles: 1‑pole (single pole)
• Amperage Rating: 55 Amps
• Voltage Rating: 120 VAC
• Interrupting Capacity (AIC): 22 kiloamps (22 kA)
• Frame Type: QBHW
• Operating Temperature: Up to 40 °C

Material Compliance and Certifications

• Manufactured with premium components and designed with safety in mind, the QBHW1055 meets industry standards for quality and durability. It carries HACR certification, meaning it’s confirmed safe for use in heating, air conditioning, and refrigeration systems. Every part is selected to resist thermal stress and electrical strain, ensuring you get long life and fewer service calls.

Suitability

• In residential breaker panels where a reliable single‑pole 55A circuit is required
• In commercial and light industrial settings powering moderate loads like motor controllers, heaters, or sub‑panels
• Especially useful within HVAC systems or refrigeration units (thanks to HACR rating)
• Environments that may reach higher ambient temperatures (up to 40°C), or where vibration demands a strong mechanical mount