The HTB-48M is a panel-mount fuse holder designed for 5 x 20mm fuses, featuring a front hex nut configuration with right-angle terminal connectivity. This holder is rated for 16 amps at 250 volts according to both UL and CSA standards, and accommodates a maximum panel thickness of 0.125 inches (3.18 mm). The device is constructed from high-temperature, flame-retardant thermoplastic material that meets UL 94V0 safety standards, and withstands 15 to 20 Lb-In torque to the mounting nut during panel installation. The HTB-48M is commonly used in industrial control panels, power distribution systems, and electronic equipment where reliable fuse protection and compact panel mounting are required.