Mersen's new USGCC and USGM series fuse holders deliver the ultimate ease-of-use, time (labor) saving and reliable solution available in the marketplace. Mersen is the first manufacturer to offer screw-less, spring pressure, wire termination technology into a power fuseholder, delivering the best of both technologies to Its customers. Now you can experience the combined benefits of safety, ease-of-use, labor savings and reliability of UltraSafe fuse holders and spring pressure technology. Mersen UltraSafe™ Fuse Holder, Series: USGCC, 600 VAC/VDC, 30 A, 3 Pole, 3 ph, Class: CC, Spring Pressure Connection, 14 to 6 AWG Wire, DIN Rail Mounting, -40 to 85 °C, For Use With: ATDR, ATQR and ATMR Series Fuse, Polyamide, 3.43 in L x 2.04 in W x 2.35 in H Dimensions