The 10250T51 Eaton Cutler-Hammer 1NC Contact Block is a high-quality circuit breaker component designed for industrial use. Manufactured in the United States by Eaton Cutler-Hammer, a trusted brand in the electrical equipment industry, this 30.5mm contact block ensures reliable and efficient performance in various circuit breaker applications. With its durable construction and precise engineering, this product is a valuable addition to any electrical system requiring a dependable circuit breaker solution.