The Square D by Schneider Electric Homeline Quad-Pole Tandem Circuit Breaker consists of (2) single-pole, 15 Amp and (1) double-pole, 30 Amp breakers. Requiring only 2 pole spaces, it is used for overload and short-circuit protection of your electrical system. This breaker is compatible with Homeline load centers and CSED devices. The ANSI-certified and UL-listed unit is rated for 120/240 VAC and 10,000 AIR. Homeline circuit breakers are built with the same Square D brand quality you have come to expect at a price that makes them the best value in their class. Homeline circuit breakers are the best in class.