Square D HOM120AFI - 20A, Miniature Circuit Breaker (MCB)

Meet the Square D HOM120AFI – a 20A miniature circuit breaker (MCB) engineered to deliver dependable overcurrent protection in demanding electrical systems. Designed for versatile installation, it fits seamlessly into panelboards, switchboards, control panels, and OEM equipment, helping keep distribution networks safe and reliable.

Key advantages at a glance

• 20A current rating provides solid protection for common branch circuits and light to medium motor loads
• Miniature Circuit Breaker (MCB) with fast, reliable interruption to prevent damage from overloads and short circuits
• Ideal for panelboards, switchboards, control panels, and OEM equipment where compact, plug-in protection is needed
• Trusted Square D lineage, designed for use in distribution panels and motor control centers

Why this MCB stands out for your electrical distribution

In environments where downtime and equipment damage must be avoided, the HOM120AFI provides predictable, repeatable protection. The 20A rating is tailored for circuits powering critical controls, lighting, and equipment on industrial and commercial sites. By interrupting fault currents quickly, it minimizes risk and helps maintain safe operation across your control systems and distribution panels.

Ideal use cases

• Industrial panelboards and motor control centers requiring reliable overcurrent protection
• Commercial distribution panels powering HVAC, lighting, and machinery controls
• OEM applications where a compact, plug-in protection device is essential
• Upgrading or repairing existing Square D installations that utilize HOM series breakers

Installation and care tips

Follow local electrical codes and the panel manufacturer's installation guidelines. Ensure the HOM120AFI is compatible with your enclosure and bus arrangement. Have a qualified electrician verify proper terminal torque and secure connections to maintain optimal protection and long-term reliability.