Reece's UCL1 is designed to provide comprehensive safety in various circuit breaker lockout applications. This device is suitable for a wide range of Miniature Circuit Breakers, ensuring adaptability and compatibility. It effectively locks out 1 pole through 4 pole circuit breakers, offering thorough safety coverage. Crafted from durable plastic, this lockout device guarantees longevity and reliability, even in challenging environments. With a maximum clamping capacity of 5/16", it accommodates different breaker sizes securely. The screw operation adds to the convenience, making lockout procedures easy and efficient.