Square D QOB31001021

Square D QOB31001021 100A 3-Pole Bolt-On Circuit Breaker. Key Specifications: Amperage: 100A, Voltage Rating: 240V AC, Poles: 3-Pole, Trip Type: Thermal-Magnetic, Mounting: Bolt-On Connection. The Square D QOB31001021 is a 3-Pole thermal-magnetic circuit breaker rated for 100A at 240V AC, designed specifically for panelboard applications requiring bolt-on connections. This QO-series component provides essential overload and short-circuit protection and features specialized internal accessories, such as an auxiliary switch and/or shunt trip capability, offering enhanced system control and remote operation functionality.