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The panel fuse holder<\/strong> for 5x20mm cartridge fuses is a heavy-duty panel-installed circuit protection component built for thick-enclosure electrical equipment. This board mount fuse holder adopts high-strength PBT insulating housing paired with high-conductivity metal terminals, delivering stable contact, reliable insulation and durable overcurrent protection for low-voltage AC circuits. With IP40 dust protection, multiple international safety certifications and wide panel thickness compatibility, it is widely used in industrial control equipment, thick-cabinet appliances, switching power supplies and instrumentation front panels.<\/p>\n Compared with thin-panel dedicated fuse holders, this model supports up to 6.5mm panel thickness, covering more thick-enclosure industrial equipment and household appliance designs. Its PBT housing provides better heat and chemical resistance than standard PA nylon models, making it more suitable for long-term operation in high-temperature and harsh industrial environments.<\/p>\n When selecting a 5x20mm panel fuse holder, first confirm the fuse size, system rated voltage, operating current and panel thickness. For thick-enclosure equipment with panel thickness above 3mm, this PTF\/35 model with 0.8\u20136.5mm wide compatibility is recommended. For export equipment requiring international safety certification, this EN\/UL\/CSA certified model simplifies market compliance approval. Choose a 5x20mm fuse with appropriate current rating based on actual load, and reserve a 1.25\u20131.5 times safety margin to prevent overheating during continuous operation. For dusty industrial environments, IP40 dust-proof models are preferred to extend service life.<\/p>\n 1. Select a 5x20mm cartridge fuse with correct current and voltage rating according to circuit protection requirements.<\/p>\n 2. Drill a standard mounting hole on the equipment panel, insert the fuse holder from the front side, and fix it properly to ensure firm installation.<\/p>\n 3. Connect circuit wires tightly to the rear terminals and apply proper insulation treatment to prevent short circuit hazards.<\/p>\n 4. Insert the fuse fully into the holder and tighten the end cap to ensure reliable contact and insulation performance.<\/p>\n 5. Do not operate beyond the rated voltage and current range to prevent insulation breakdown and safety risks.<\/p>\n 6. Disconnect the power supply completely before fuse replacement to avoid electric shock and short circuit damage.<\/p>\n 7. Inspect terminals and fuses periodically for looseness, oxidation or overheating signs, and replace components promptly if abnormalities are found.<\/p>\nCore Product Features<\/h2>\n
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Full Technical Specifications<\/h2>\n
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\n Specification Item<\/th>\n Parameter Value<\/th>\n<\/tr>\n \n Model<\/td>\n PTF\/35<\/td>\n<\/tr>\n \n Compatible Fuse<\/td>\n 5 \u00d7 20mm glass \/ ceramic cartridge fuse<\/td>\n<\/tr>\n \n Rated Current<\/td>\n 10A<\/td>\n<\/tr>\n \n Rated Voltage<\/td>\n 250V AC<\/td>\n<\/tr>\n \n Rated Power Dissipation<\/td>\n 2.5 W<\/td>\n<\/tr>\n \n Housing Material<\/td>\n PBT engineering plastic, UL94 V0 flame retardant<\/td>\n<\/tr>\n \n Degree of Protection<\/td>\n IP40<\/td>\n<\/tr>\n \n Contact Resistance<\/td>\n \uff1c 5 m\u03a9<\/td>\n<\/tr>\n \n Operating Temperature Range<\/td>\n -30\u2103 ~ +85\u2103<\/td>\n<\/tr>\n \n Suitable Panel Thickness<\/td>\n 0.8 mm ~ 6.5 mm<\/td>\n<\/tr>\n \n Standard Colour<\/td>\n Black (custom colours available on request)<\/td>\n<\/tr>\n \n Safety Certifications<\/td>\n EN 60127-6, UL 512, C22.2 No.39<\/td>\n<\/tr>\n \n Mounting Method<\/td>\n Panel snap-in \/ threaded fixing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Selection & Application Guidance<\/h2>\n
Typical Application Scenarios<\/h2>\n
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Installation & Maintenance Instructions<\/h2>\n