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MERSEN FUSE 12,5 URD 72 TTF 0350 12,5URD72TTF0350
MPN: A300495
Alt. SKU: PC72UD13C350TF
Special Price
£98.15
£81.79
Regular Price
£178.44
MERSEN FUSE 12,5 URD 72 TTF 0350 12,5URD72TTF0350 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 350A With Striker Flush Ends Metric Threads PC72UD13C350TF?
Optimise your protection for power semiconductor applications with this Protistor® Size 72 fuse, engineered for rapid response to overcurrent events at voltages up to 1250VAC (IEC) and 1300VAC (UL). Rated at 350A, it guarantees reliable operation and superior safety conforming to both IEC and UL standards.
The robust square body, integrated striker for remote signalling, flush ends, and metric threads ensure ease of installation and secure connections, making it ideal for demanding industrial environments. Choose this fuse for dependable, high-performance circuit protection in critical systems.
Product Code: A300495
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of overcurrents, protecting sensitive semiconductor devices.
- Dual compliance with IEC and UL standards for versatile international application.
- Integrated striker indication system provides clear remote signalling of fuse operation.
- Flush ends and metric threads facilitate secure and easy mounting in bolted fuse holders.
- Ceramic body offers excellent insulating properties and durability in harsh industrial environments.
Compatibility
This fuse is compatible with bolted mounting fuse holders designed for Size 72 fuses with flush end terminals and metric threads. It is suitable for use in power semiconductor protection circuits requiring aR characteristic fuses rated at 350A and voltages up to 1300VAC.
Applications
- Protection of power semiconductor devices such as thyristors and diodes in industrial drives.
- High-speed circuit protection in power electronics and inverter circuits.
- Use in industrial automation systems requiring reliable overcurrent protection.
- Electrical systems in manufacturing plants and heavy industry.
Technical Specifications
- Item number: A300495
- Catalogue No: PC72UD13C350TF
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 350A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329278
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 350 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 170 kA²s
- Melting I2t: 21 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: 77 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of clearing overloads and short circuits rapidly to protect sensitive components.
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 indication system provides a mechanical signal when the fuse operates, allowing remote monitoring of fuse status without direct inspection.
Can this fuse be used in non-bolted mounting systems?
This fuse is designed for bolted mounting only, ensuring secure and reliable connections in industrial installations.
Common Search Terms
High-speed fuse, Protistor fuse, Size 72 fuse, semiconductor protection fuse, 350A fuse, 1250VAC fuse, 1300VAC fuse, aR fuse, striker indication fuse, bolted mounting fuse, flush end fuse, ceramic body fuse.
| Manufacturer Part Number | A300495 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329278 |
| Height | 74mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC72UD13C350TF |
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