The NNB is an Eaton Bussmann series MMB dummy fuse neutral block designed to provide a neutral connection point in fuse holder assemblies. This accessory component features compact dimensions of 0.37 inches in length and width by 1.46 inches in height, with a weight of 0.5 lb, making it suitable for integration into electrical distribution panels and fuse systems. The product is RoHS compliant, ensuring environmental and regulatory compliance for modern electrical installations. The NNB dummy fuse neutral is commonly used in industrial and commercial electrical systems where neutral connection management and fuse holder configuration are required.