The UVT-X1 Under-voltage Release enhances circuit protection by automatically tripping the circuit breaker when voltage drops below safe levels. It prevents breaker closure under insufficient voltage and ensures reliable performance. Designed for seamless integration with NXB-63 and NXB-40 series breakers, the UVT-X1 is easy to mount on a TH35-7.5 DIN rail for quick installation in AC 50/60Hz systems, and is ideal for critical applications requiring dependable undervoltage protection.