Eaton CH3100ST - 100 A, 240 V, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Eaton CH3100ST: a 100 A, 240 V, 3-pole plug-in molded case circuit breaker built for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Whether you’re upgrading a residential panel, outfitting a small commercial service, or supporting light industrial equipment, this unit delivers fast installation paired with precise protection.

Key specifications

• Amperage rating: 100 A
• Voltage rating: 240 V
• Number of poles: 3
• Mounting style: Plug-in
• Type: Thermal-magnetic molded case circuit breaker
• Application: Branch circuit overcurrent and short-circuit protection

Why CH3100ST stands out

• Fast plug-in connection: Designed for quick installation and straightforward replacement, minimizing panel downtime during servicing or upgrades.
• Thermal-magnetic trip unit: Delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit protection—matching performance across temperature changes and load fluctuations.
• OEM panel compatibility: Specifically engineered to be compatible with matching Eaton OEM load centers and panelboards, helping you maintain coordinated protection and reliable operation.
• Three-pole design: Provides robust protection for three-phase circuits and equipment, ideal for panelboards in commercial and light industrial settings where 3-phase protection is essential.
• Versatile applications: Suited for residential panel upgrades, commercial panelboards, and light industrial applications where dependable, plug-in protection is needed.

Use cases and practical advantages

• Panel upgrades and replacements: Swap in the CH3100ST for a clean, tool-free installation that reduces downtime during service changes or capacity upgrades.
• Three-phase protection: Ideal for commercial spaces or small industrial setups with 3-phase power where consistent protection across all legs is critical.
• Load center reliability: When paired with matching Eaton equipment, it helps ensure predictable tripping characteristics, aiding in fault diagnosis and system reliability.
• Safety and compliance: By delivering clear overcurrent and short-circuit protection, it helps protect wiring and connected devices, contributing to safer electrical systems.

Who benefits most

• Electrical contractors performing panel upgrades or new installs in commercial environments
• Facilities managers overseeing light industrial electrical rooms
• Residential electricians handling 3-phase service upgrades or specialized LOAD centers

Key value in everyday use

The Eaton CH3100ST combines a practical plug-in form factor with a reliable thermal-magnetic protection mechanism, so you gain fast servicing without compromising on safety or protection quality. Its compatibility with Eaton panel systems reduces compatibility uncertainties, while the 3-pole design ensures comprehensive coverage for multi-wire circuits. When reliability, speed of installation, and precise protection matter, the CH3100ST delivers results you can count on in daily operation and during critical outages.