20 Amp/32 Volt SuperSting glass tube fuse

What does this fuse do and what is its specification?

This fuse protects the SuperSting from drawing more than 20 Amps from its 12 Volt power source. If blown the SuperSting instrument will appear to be powered OFF at all times.

Specification:

• 20 Amp
• 32 Volt
• type: MDL (slow speed fuse)
• packaging: glass tube

Dimensions:

mm (inch)