Square D KA36100 - 100 A, 3-Pole Plug-In Circuit Breaker | AmpState

Meet the Square D KA36100 — a 100 A, 3-pole plug-in molded case circuit breaker engineered for reliable branch circuit overcurrent and short-circuit protection in panelboards and load centers. This compact, resilient unit is built to keep your electrical systems safe and running with minimal downtime.

• Fast plug‑in installation — engineered for quick connection and easy replacement, reducing downtime during panel servicing or expansion.
• Thermal‑magnetic trip unit — delivers stable, repeatable protection across a broad range of fault conditions, helping to prevent nuisance trips and component damage.
• OEM-compatible design — guaranteed compatibility with matching Square D OEM load centers and panelboards for seamless integration.
• Versatile application — ideal for residential, commercial, and light industrial electrical environments where dependable protection is essential.

Technical snapshot

• Manufacturer: Square D
• Part number: KA36100
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Number of poles: 3
• Mounting style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Why this breaker stands out

For electricians and facility managers, the KA36100 offers a practical, high‑confidence solution when upgrading or expanding a panel. The plug‑in format minimizes field wiring complexity and speeds maintenance, while the 3‑pole configuration supports three‑phase systems or common‑trip protection where needed. The thermal‑magnetic protection mechanism responds quickly to overloads and short circuits, helping to safeguard wiring, devices, and downstream equipment without unnecessary interruptions.

Ideal use cases

• Residential panels undergoing modernization or expansion that require reliable, fast‑install branch protection.
• Commercial lighting, receptacle, and small‑power distribution circuits needing robust short‑circuit defense.
• Light industrial panels where quick replacement and OEM compatibility minimize downtime and compatibility risk.

Practical considerations

When selecting a replacement or upgrade, verify that the panelboard or load center is designed for plug‑in molded case breakers of the KA36100 family. Pair this 100 A, 3‑pole unit with appropriate downstream protections to ensure comprehensive 360° protection of your distribution system. For ongoing reliability, schedule periodic checks of trip settings and confirm the breaker remains compatible with the OEM enclosure.