Cutler-Hammer QC3040H - 40A, Circuit Breaker

Meet the Cutler-Hammer QC3040H — a dependable 40A circuit breaker built for demanding industrial environments. Rated for 40A, this unit delivers reliable overcurrent protection for panelboards, switchboards, control panels, and OEM equipment, helping you maintain safe operation and minimize downtime.

• Precise 40-amp protection that safeguards wiring and equipment from overloads and short circuits, so your distribution panels and motor control centers stay resilient under heavy use.
• Versatile installation designed for panelboards, switchboards, control panels, and OEM configurations, making it a practical drop-in solution across a range of applications.
• Industrial-grade reliability engineered to perform consistently in commercial and manufacturing settings where dependable protection matters most.
• Easy integration with existing Cutler-Hammer ecosystems and equipment, helping you streamline replacement or upgrade projects without compatibility concerns.

Ideal use cases include distributing electrical power in manufacturing lines, protecting motor control centers, and safeguarding control panels in OEM equipment assemblies. Whether you’re outfitting a new build or upgrading aging protection, the QC3040H delivers strong, predictable performance where it counts.

Key specifications at a glance

• Current rating: 40A
• Breaker type: Circuit Breaker
• Suitable for: panelboards, switchboards, control panels, and OEM equipment
• Applications: distribution panels and motor control centers in industrial, commercial, and OEM settings

Choose the Cutler-Hammer QC3040H when you need robust, straightforward overcurrent protection that enhances safety and keeps your electrical infrastructure running smoothly.