The Siemens Q290 2 Pole 90 Amp 120/240V AC Type QP 10K Plug-On Main Circuit Breaker is a high-quality electrical component suitable for various applications in both residential and commercial settings. With a maximum amperage of 90A and a current rating of 10K, this circuit breaker provides reliable protection for electrical circuits. Its on/off operation method and tripping characteristics make it easy to use and ensure safe and efficient power distribution. Constructed with durable ABS/plastic and plastic materials, this main breaker is suitable for wall mounting both indoors and outdoors, offering a convenient solution for electrical wiring and branch circuit needs.