The 3101.0045 is a four-pole 2mm pitch PCB mount AC/DC fuse holder from Schurter. It features an operating temperature range of -25°C to +85°C and is rated 4A/125VAC, 2A/250VAC, 4A/32VDC. It has four positive connection points, and a test port to indicate fuse operation. This fuse holder is designed to protect AC/DC circuits and is UL Recognized and CSA Certified.