Square D HOM220CAFI Homeline Combination Arc Fault Circuit Breaker

Overview

The HOM220CAFI is a single-pole, 20-amp Combination Arc Fault Circuit Interrupter (CAFI) breaker from Square D’s Homeline series. It is designed to provide both standard overcurrent protection and advanced arc fault detection to help prevent electrical fires caused by arcing faults in residential circuits.

Key Features & Specifications

• Configuration: Single-pole, 20 A Combination Arc Fault Circuit Breaker

• Voltage Rating: 120 VAC

• Interrupting Capacity: 10,000 AIC (10 kA)

• Mounting Style: Plug-in, compatible with Homeline load centers

• Wire Compatibility: Accepts #14–#8 AWG copper or aluminum conductors

• Terminal Type: Screw-type pressure plate lugs

• Dimensions (Approx.):

  • Height: 3.13 inches

  • Width: 1.00 inch (single breaker slot)

  • Depth: 2.98 inches

• Certifications: UL Listed (including UL 1699 for arc fault protection), CSA Certified

Benefits

• Enhanced Safety: Detects both parallel and series arc faults to reduce the risk of electrical fires.

• Reliable Overcurrent Protection: Provides thermal-magnetic protection against overloads and short circuits.

• Easy Installation: Plug-in design allows for quick installation in Homeline load centers.

• Flexible Wiring: Compatible with both copper and aluminum wiring.

• Code Compliant: Meets UL 1699 standards for arc fault circuit interrupters and is CSA certified.

Typical Applications

• Residential branch circuits requiring arc fault protection, such as bedrooms, living rooms, and other living spaces

• Electrical panels needing compliance with updated electrical codes requiring arc fault protection

• Replacement or upgrade of standard breakers with arc fault technology to improve home safety