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The COOPER BUSSMANN GDB-200MA is a miniature glass cartridge fuse rated at 0.2 amps with fast-acting timing. It measures 20 mm in overall length and 5 mm in diameter, conforming to standard IEC 60127-2 glass cartridge dimensions. The fast-acting element clears overloads and short circuits quickly, protecting sensitive electronic circuits and low-current instrumentation. Licensed electricians, electronic technicians, and industrial maintenance professionals install this fuse type in control panels, instruments, and electronic assemblies where precise overcurrent protection is required at low amperage levels.
This fuse is suited for residential, commercial, and light industrial applications where a 5 mm x 20 mm fast-acting glass cartridge is specified. Typical use cases include electronic control boards, test and measurement equipment, HVAC control circuits, and similar low-voltage instrumentation panels. Its compact glass body allows visual inspection of the fuse element without removal, simplifying field diagnostics during troubleshooting.
Designed as an OEM-style replacement for standard 5 mm x 20 mm fast-acting glass cartridge fuse holders used in electronic control equipment and low-current instrumentation panels.
Installation should be performed by a qualified electrician or electronics technician. De-energize and lock out the circuit before replacing the fuse. Confirm the replacement fuse rating matches the circuit design exactly — substituting a higher-amperage fuse defeats overcurrent protection. NEC and applicable equipment manufacturer guidelines govern fuse replacement in listed assemblies.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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