Square D BREAKER/AIB220 - 220-20A, 2-Pole, Circuit Breaker

The Square D BREAKER/AIB220 is a rugged, dependable overcurrent protector designed for demanding electrical environments. This 2-pole circuit breaker is rated for 20 A at 220 V, making it a precise choice for ensuring safe and reliable power distribution in your equipment and facilities.

Key advantages that matter in the real world

• Two-pole protection safeguards both conductors in 220 V circuits, helping prevent accidental overloads and ensuring balanced, safe operation across your panelboards, switchboards, and control panels.
• 20 A current rating provides targeted protection for motors, feeders, and auxiliary circuits without unnecessary nuisance tripping in everyday industrial and commercial applications.
• Versatile mounting in common enclosures designed for panelboards, switchboards, and motor control centers, giving you flexible integration into existing distribution setups.
• Industrial-grade reliability from a trusted Square D lineage, built to perform in OEM assemblies, commissioning scenarios, and on-the-floor maintenance environments where dependable protection is non-negotiable.

Ideal applications

• Distribution panels in commercial facilities and industrial plants needing robust overcurrent protection for 220 V circuits
• Motor control centers and equipment MCCs where safe, quick disconnection of faulted circuits is critical
• OEM equipment baskets and control system panels requiring a compact, reliable two-pole protection device

What this means for you

• Peace of mind knowing critical loads are protected from overloads and short circuits, reducing the risk of equipment damage and downtime.
• Operational continuity by selecting a breaker designed to coordinate with standard distribution architectures, helping minimize maintenance disruption.
• Efficient system design with a compact two-pole form factor that fits neatly into common panel configurations without sacrificing performance.

Technical snapshot

• Current rating: 20 A
• Voltage rating: 220 V
• Poles: 2-Pole
• Breaker type: Circuit Breaker

Whether you’re upgrading an existing distribution panel, equipping a new control cabinet, or specifying parts for an OEM assembly, the Square D BREAKER/AIB220 delivers precise protection where it matters most. Its 2-pole design and 220 V/20 A rating make it a focused, reliable choice for safeguarding circuits, motors, and control logic in demanding environments.