The GE TEY390 90A 3-Pole Circuit Breaker is a high-quality electrical component designed for electrical wiring applications. With a maximum amperage of 90A and a voltage range of 251-300V and 451-500V, this black plastic breaker is suitable for main breaker applications. It features a bolt-on mounting style and an on/off operation method, providing instantaneous break time for reliable circuit protection. This GE circuit breaker model, featuring three poles and a current rating of 81-90A, is a dependable and durable choice for industrial and commercial electrical systems.