Class gG/gL is for General Applications and Class aM is for Motor Protection. Fuses are available with and without indicators. Fuses are for Low Voltage Industrial Fuse Links.
Eaton Bussmann series low voltage 22 x 58 mm cylindrical/ferrule fuse, rated at 690 Volts AC, 8 Amps, 80 kA Breaking capacity, class gG/gL, without indicator, compatible with a CH22 Modular fuse holder