Square D | KA12100 | Circuit Breaker | 2-Pole | 240V | Plug-In

Square D KA12100 Circuit Breaker — a dependable, plug-in solution crafted for 240V circuits. This 2-Pole breaker is designed to drop into compatible Square D panels with ease, making it an ideal choice for maintenance, retrofit, and replacement projects where exact specifications matter.

• Pole configuration: 2-Pole — ensures simultaneous disconnection of both conductors on 240V circuits for safer, more reliable protection.
• Voltage rating: 240V — suitable for common 240V service needs in residential, commercial, and light industrial panels.
• Mounting type: Plug-In — designed for quick, straightforward installation in compatible Square D panels, reducing downtime during service or upgrades.
• Compatibility reference: Part number KA12100 is the best reference for ensuring fit and ratings align with your panel requirements.

Why this matters in real-world use: when you’re servicing an existing installation, you don’t want to guess at compatibility. The KA12100 is purpose-built for Square D systems, providing a reliable, straightforward plug-in experience that minimizes panel downtime and equipment risk. The dual-pole design is essential for protecting 240V circuits, aligning with safety practices and code expectations for circuits that require two-pole interruption.

Ideal use cases include:

• Maintenance of aging Square D panels where a direct KA12100 replacement is specified.
• Retrofit projects that upgrade or standardize safety features across multiple 240V circuits.
• Replacement of an in-service breaker in compatible panels to restore circuit protection without extensive rewiring.

Practical guidance for purchasing: always confirm fit and ratings before ordering. Rely on the KA12100 part number as the most reliable reference for compatibility to ensure you’re selecting a plug-in breaker that matches your panel’s design and duty requirements.