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MERSEN FUSE 12,5 URD 72 TTF 0450 12,5URD72TTF450
MPN: C300497
Alt. SKU: PC72UD13C450TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Flush Ends Metric Threads PC72UD13C450TF?
Engineered for superior protection of power semiconductors, the Protistor® PC72UD13C450TF offers rapid fault interruption with a high-speed response, ensuring reliable circuit safeguarding even in demanding industrial environments. Its robust square body and flush striker design guarantee secure integration with modern hardware, reducing installation time and risk of nuisance tripping.
Certified to IEC (1250VAC) and UL (1300VAC) standards with a 450A rating, this fuse excels in performance where maximum operating safety and minimum downtime are crucial. Metric threaded connections provide ease of assembly, making it the ideal choice for engineers seeking dependable, compliant overcurrent protection in critical power applications.
Product Code: C300497
Key Benefits
- High-speed aR characteristic ensures rapid fault interruption for semiconductor protection.
- Certified to both IEC 1250VAC and UL 1300VAC standards for versatile global application.
- Robust ceramic square body with silver-plated brass flush terminals for durability and reliable connections.
- Striker indication system provides clear visual fault indication, reducing downtime.
- Metric threaded mounting simplifies installation and maintenance.
- High breaking capacity of 126 kA ensures safe interruption of high fault currents.
Compatibility
This fuse is compatible with semiconductor protection circuits requiring Size 72 aR fuses and is suitable for bolted mounting configurations. Its design supports integration in industrial power electronics and motor drive protection systems that comply with IEC and UL standards.
Applications
- Protection of power semiconductors in industrial inverters and converters.
- Overcurrent protection in motor drives and variable speed drives.
- Safeguarding transformers and rectifiers in power distribution systems.
- Use in renewable energy systems such as solar inverters and wind turbines.
- General protection in heavy industrial electrical installations.
Technical Specifications
- Item number: C300497
- Catalogue No: PC72UD13C450TF
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 450A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329315
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 450 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 360 kA²s
- Melting I2t: 44.2 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Brass
- Connection/Terminal Type: Flush ends
- Product Width: 59 mm
- Product Length: 74 mm
- Product Height: 63 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 0.8 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 130 mm
- Sell Pack Height: 80 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.8 kg
- Power Dissipation at Rated Current Value: 89 W
Frequently Asked Questions
What does the aR characteristic mean?
The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to prevent damage.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as indicated in the technical specifications.
How does the striker indication system work?
The striker is a mechanical indicator that visibly pops out when the fuse has blown, providing a clear visual signal for maintenance personnel.
Can this fuse be used in motor drive protection?
Yes, it is ideal for protecting power semiconductors in motor drives and variable speed drives due to its high-speed interruption capability.
Common Search Terms
High speed fuse, semiconductor protection fuse, aR fuse, size 72 fuse, 450A fuse, 1250VAC fuse, 1300VAC fuse, Protistor fuse, striker indication fuse, bolted mounting fuse, ceramic body fuse, flush end terminals fuse.
| Manufacturer Part Number | C300497 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329315 |
| Height | 74mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72UD13C450TF |