Square D Homeline Double-Pole Main Breaker is designed for reliable overload and short-circuit protection of electrical systems. This main breaker is compatible with Homeline load centers and CSED devices, ensuring seamless integration and safety. by the American National Standards Institute (ANSI) and listed by Underwriter's Laboratories (UL), it supports 120 volt/240 volt systems with a 10,000 AIR rating. The breaker features a plug-in mount type and comes in different amperage options, including 100A and 200A, with a 2-pole configuration. Its compact design fits into a 2-space frame size, with dimensions tailored for easy installation. Wire size compatibility ranges from #4 AWG to 300 KCMIL depending on the model, making it versatile for various wiring needs. The Square D Homeline Double-Pole Main Breaker dependable performance for residential and commercial electrical protection. Model Number: HOM2100CP