The KVM4 single-phase voltage monitor from Littelfuse Inc is designed for precise voltage monitoring in various applications. This device features a compact design and is capable of monitoring voltage levels to ensure safe operation of electrical systems. With its robust construction, the KVM4 is built to withstand harsh environments, making it suitable for industrial and commercial use. It complies with industry standards, providing reliability and peace of mind for users. The KVM4 is an essential tool for preventing voltage-related issues and ensuring the safety of connected devices.