Eaton CAH3100 - 100 A, 240 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton CAH3100 — a 100 A, 240 V, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Its compact design maximizes panel space without compromising safety, making it an ideal choice for dense electrical enclosures in homes, small businesses, and light industrial environments.

Why this breaker stands out

• Compact molded-case design preserves valuable panel real estate, enabling cleaner wiring layouts and easier serviceability in tight electrical rooms.
• Thermal-magnetic trip unit delivers stable, repeatable protection by blending thermal overload sensing with fast magnetic trip for high fault currents, reducing nuisance trips and safeguarding downstream equipment.
• 3-pole, 100 A at 240 V supports 3-phase circuits common in commercial and light industrial panels, suitable for protecting motors, HVAC circuits, and distribution feeders.
• OEM panel compatibility designed to work with the matching Eaton OEM loadcenters and panelboards, ensuring a reliable fit and consistent performance across your installation.
• Versatility across applications appropriate for residential service upgrades, commercial panels, and light industrial distribution where robust protection is essential.

Use cases and practical applications

Install the CAH3100 to guard branch circuits in main distribution panels, subpanels, or remote electrical rooms. Its 100 A rating is well-suited for circuits powering motors, compressors, pumps, lighting foundations, and other 3-phase loads while maintaining protective coordination with downstream devices.

What makes the design effective

The molded-case construction offers durable, long-lasting performance in routine panel environments. The integrated thermal-magnetic trip unit provides precise protection characteristics, helping to minimize downtime due to faults while maintaining safe operation under fluctuating load conditions.

Technical specifications at a glance

• Manufacturer: Eaton
• Part Number: CAH3100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100 A
• Voltage Rating: 240 V
• Number of Poles: 3
• Applications: Branch circuit overcurrent and short-circuit protection

Installation considerations

Ensure compatibility with your panelboard or loadcenter’s rating for CAH-series breakers, and follow the manufacturer’s torque specifications for terminals. Use the same part number or an OEM-approved counterpart for replacement to preserve protective coordination and warranty coverage. Regularly inspect for signs of overheating or wear to maintain optimal protection over time.

Who benefits most

Facilities managers, electrical technicians, and contractors working with residential, commercial, or light industrial electrical systems will appreciate the CAH3100 for its reliable protection, space-saving design, and straightforward integration with Eaton’s panel ecosystems.