004187436 is a 1kA 690VAC ceramic industrial fuse manufactured by ETI Polam. It is also known as a NH4a WT-NH fuse. This fuse is designed for applications that require a higher level of reliability and safety, such as industrial, electrical, and automotive applications. It is designed to protect against short circuits, overloads, and other high-current electrical disturbances. It features a high-strength ceramic body that is resistant to vibration and shock. The fuse has a high melting current of 1kA for reliable protection, and a rated voltage of up to 690VAC for low-voltage applications. It is rated to UL/CSA standards, RoHS and REACH compliant, and is available in both a standard and a mini version.