Mersens USGCC & 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 fuse holder, 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. The fuse holder is finger-safe according to IEC and corresponds to degree of protection IP20. USGM: Use with midget fuses: ATQ, ATM, TRM, OTM, A60Q-2, DCT-2, USGCC: Use with class CC fuses: ATDR, ATQR, ATMR, USGM-HEL with photovoltaic fuses: HP6M, HP10M