The Square D EHB34050 Molded Case Circuit Breaker is a reliable and durable electrical component designed for industrial and commercial applications. With a maximum amperage of 50A and voltage rating of 480Y/277VAC, this 3-pole circuit breaker from Square D is perfect for efficiently handling electrical current in a variety of settings. Made in the United States, this main breaker is a top choice for ensuring safety and reliability in electrical systems.