5x20mm Einbau-Sicherungshalter | 10A 250V Industriesicherungssockel
Industrial grade 5x20mm panel mount fuse holder with PBT UL94 V0 flame retardant housing and 0.5mm phosphor bronze terminals, 10A 250V/125V AC/DC rated, 3000V power frequency withstand voltage, designed for industrial control, power supplies and instrumentation circuit overcurrent protection.
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Der Einbau-Sicherungshalter for 5x20mm cartridge fuses is a standard panel-installed overcurrent protection component for low-voltage electrical systems. Constructed with high-performance PBT insulating base and 0.5mm phosphor bronze conductive terminals, this 5x20mm panel fuse holder delivers reliable insulation performance, stable contact resistance and durable arc resistance for both AC and DC circuits. Its threaded panel mount structure and flame retardant housing make it widely applied in industrial control cabinets, switching power supplies, household appliances and front-panel instrumentation.
Hauptmerkmale
- Compatible with standard 5×20mm glass and ceramic cartridge fuses, covering mainstream low-voltage protection specifications
- Rated 10A at 250V / 125V AC/DC, with 50A breaking capacity to interrupt fault currents effectively
- PBT engineering plastic housing, UL94 V0 flame retardant grade, excellent heat resistance and electrical insulation
- 0.5mm thick phosphor bronze terminals, high elasticity, stable clamping force, contact resistance below 5mΩ
- 3000V AC power frequency withstand voltage, insulation resistance above 100MΩ, high operational safety
- Threaded panel mount design, standard cutout size, tool-free front-panel fuse replacement
- RoHS compliant, meets global electronics safety and environmental protection requirements
Technische Spezifikationen
| Artikel | Parameter |
|---|---|
| Modell | MF-527 |
| Kompatible Sicherung | 5 × 20 mm Glas-/Keramik-Patronensicherung |
| Nennstrom | 10A |
| Nennspannung | 250 V / 125 V Wechselstrom / Gleichstrom |
| Bruchkapazität | 50 A |
| Netzfrequenz-Stehspannung | 3000 V Wechselstrom |
| Gehäusematerial | PBT, UL94 V0 flame retardant |
| Terminalmaterial | 0.5mm thick phosphor bronze |
| Kontaktwiderstand | < 5 mΩ |
| Isolationswiderstand | ＞ 100 MΩ |
| Montageart | Montage an der Frontplatte, Befestigung mit Gewindemutter |
Selection Guide
When selecting a 5x20mm panel mount fuse holder, confirm the fuse size, system rated voltage and operating current first. Select a 5x20mm fuse with appropriate current rating based on actual load, and reserve a 1.25–1.5 times safety margin to avoid overheating under continuous operation. For front-panel fuse replacement requirements, panel mount models are preferred for convenient maintenance without opening the enclosure. For flame retardant and high insulation scenarios, PBT housing with UL94 V0 grade is recommended to ensure operational safety. Verify that the panel cutout matches the standard mounting size to ensure firm installation and stable contact performance.
Anwendungsszenarien
- Industrial control panels and small automation equipment circuits
- Switching power supplies, adapters and power distribution units
- Test instruments and laboratory power supply circuits
- Household appliances and small electrical equipment
- Stromversorgungsschutz für Kommunikationsgeräte und Netzwerkterminals
- LED-Beleuchtungstreiber und Niederspannungs-Leistungsmodule
- Hilfsschaltungen und Steuerungssysteme für medizinische Geräte
Installation & Maintenance
1. Select a 5x20mm cartridge fuse with matching current and voltage rating per circuit protection requirements.
2. Drill a standard mounting hole on the equipment panel, insert the fuse holder from the front, and tighten the fixing nut from the back to ensure firm installation.
3. Tighten circuit wires to the rear terminals and apply proper insulation treatment to prevent short-circuit hazards.
4. Setzen Sie die Sicherung vollständig in den Halter ein und ziehen Sie die Endkappe fest, um einen zuverlässigen Kontakt und eine optimale Isolationsleistung zu gewährleisten.
5. Um Isolationsdurchschläge und Sicherheitsrisiken zu vermeiden, darf der Betrieb nicht über den Nennspannungs- und Nennstrombereich hinaus erfolgen.
6. Disconnect power completely before fuse replacement to avoid electric shock and short-circuit damage.
7. Inspect terminals and fuses periodically for looseness, oxidation or overheating, and replace components promptly if abnormalities are found.
Häufig gestellte Fragen
Q1: What fuse size does this panel mount fuse holder support?
A1: It is compatible with all standard 5×20mm glass and ceramic cartridge fuses, the most widely used small-size specification for low-voltage equipment and control circuit protection.
Frage 2: Wie hoch sind Nennstrom und Nennspannung?
A2: The rated current is 10A, and the rated voltage covers 250V and 125V for both AC and DC, meeting most low-voltage electrical equipment protection requirements.
Frage 3: Aus welchem Material besteht das Gehäuse?
A3: The housing is made of PBT engineering plastic with UL94 V0 flame retardant grade, featuring excellent heat resistance, mechanical strength and electrical insulation performance.
Q4: What is the withstand voltage and insulation resistance?
A4: It supports 3000V AC power frequency withstand voltage, with insulation resistance above 100MΩ, providing high insulation strength and operational safety for low-voltage circuits.
Q5: What material are the terminals made of?
A5: The terminals are made of 0.5mm thick phosphor bronze, with high elasticity, contact resistance below 5mΩ, and stable clamping force after long-term use and multiple fuse replacements.
Q6: What mounting method does it use?
A6: It adopts panel mount design with threaded nut fixing, which can be directly installed on equipment front panels and control cabinet surfaces, with firm installation and convenient daily maintenance.
Frage 7: Was sind die wichtigsten Anwendungsgebiete?
A7: Widely used in industrial control equipment, switching power supplies, test instruments, household appliances, communication equipment and various low-voltage AC/DC circuit overcurrent protection.
