Eaton HKD3100C - 100 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HKD3100C is a 3-pole molded case circuit breaker rated at 100 A and 600 V, built to deliver dependable branch circuit protection and short-circuit safety in panelboards and loadcenters. Designed for residential, commercial, and light industrial environments, this breaker combines compact footprint with precise protection, making it a practical upgrade for tighter electrical spaces and evolving power needs.

Key features that matter in real-world installations

• Compact molded case design minimizes space required inside panelboards and load centers, helping you maximize wiring capacity and layout efficiency.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining heat-based overcurrent sensing with magnetic trip for rapid response during short circuits.
• Three-pole configuration is ideal for 3-phase systems, ensuring balanced protection across all conductors in commercial and light industrial applications.
• 600 V rating supports a range of distribution scenarios, from small commercial panels to light industrial setups, while maintaining compatibility with standard panel infrastructure.
• OEM panel and loadcenter compatibility designed to pair with matching Eaton panel components, enabling straightforward installation and reliable performance within an Eaton-based ecosystem.

Technical snapshot

• Manufacturer: Eaton
• Part number: HKD3100C
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits from the HKD3100C

• Electricians performing panelboard upgrades or new installations in offices, retail spaces, schools, or light manufacturing facilities.
• Maintenance teams looking for a reliable, space-efficient protection solution that aligns with existing Eaton panel systems.
• Projects where panel space is at a premium but robust, predictable overcurrent protection is non-negotiable.

Why this matters for your electrical reliability

Atherm in this context means a dependable, repeatable protection profile. The HKD3100C’s thermal-magnetic trip unit reduces nuisance trips while ensuring quick shutdown during dangerous faults. Its compact form supports cleaner interior panelwork and easier future upgrades. With its 100 A rating and 600 V capability, it covers common distribution scenarios in both commercial environments and light industrial settings, providing a solid balance of protection, performance, and compatibility.

Choose the Eaton HKD3100C when you need a proven, space-conscious solution that fits seamlessly into Eaton panel ecosystems—delivering consistent protection for your critical circuits now and as your electrical load evolves.