The 330GN part of Littelfuse is a type of fast-acting, ceramic-body fuse. It is a general purpose fuse for use in a variety of applications, including AC power distribution and motor control circuits. This fuse is non-indicating and has an operating temperature range from -55° to 125°C. The fuses are also moisture-, solvent-, and humidity-resistant, making them suitable for both indoor and outdoor use. Additionally, they feature a cylindrical shape, with a IEC-rated 50A rating and a 10x38mm size. The current rating makes them suitable for high-power applications such as lighting, motors, and transformers.