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MERSEN FUSE 12,5 URD 70 TT F 0125 Q300486
MPN: Q300486
Alt. SKU: PC70UD13C125TF
Special Price
£64.97
£54.14
Regular Price
£118.13
MERSEN FUSE 12,5 URD 70 TT F 0125 Q300486 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 125A With Striker Flush Ends Metric Threads PC70UD13C125TF?
Engineered for precision circuit protection, the Square Body High-Speed Fuse Protistor® delivers rapid response and reliable performance in demanding industrial environments. Rated for up to 1250VAC (IEC), 1300VAC (UL), and 125A, it safeguards sensitive semiconductor devices against short-circuit and overload conditions.
Featuring striker flush ends and metric threads for straightforward integration, this robust fuse ensures secure, vibration-resistant installation and simplified status indication. Optimise uptime and system safety with a fuse designed for longevity and superior fault clearing.
Technical Specifications
- Item number: Q300486
- Catalogue No: PC70UD13C125TF
- Description: Square Body High-Speed Fuse Protistor® Size 70 aR 1250VAC IEC 1300VAC UL 125A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329155
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 125 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 70
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 10500 A²s
- Melting I2t: 1310 A²s
- 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: 39.8 mm
- Product Length: 74 mm
- Product Height: 49.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.017 kg
- Sell Pack Width: 85 mm
- Sell Pack Length: 133 mm
- Sell Pack Height: 55 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.339 kg
- Power Dissipation at Rated Current Value: 38 W
Product Code: Q300486
Key Benefits
- High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
- Rated for high voltages up to 1300VAC UL and 1250VAC IEC for versatile industrial applications.
- Striker indication system provides clear and immediate fuse status feedback.
- Flush end silver-plated brass terminals with metric threads offer secure, vibration-resistant mounting.
- Ceramic body construction delivers excellent insulation and durability under harsh conditions.
- Bolted mounting simplifies installation and maintenance.
Compatibility
This fuse is compatible with industrial semiconductor protection fuse holders designed for Size 70 aR fuses with metric threaded flush ends. It integrates seamlessly into systems requiring high-speed protection at rated voltages up to 1300VAC UL and 1250VAC IEC standards.
Applications
- Protection of power semiconductors such as thyristors, diodes, and transistors.
- Industrial motor drives and inverters.
- Power supply units and converters.
- Renewable energy systems including solar and wind power inverters.
- General industrial electrical equipment requiring high-speed fault protection.
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial range) speed characteristic indicates that the fuse is designed to protect semiconductor devices by clearing short-circuits rapidly while allowing harmless overload currents to pass, preventing nuisance tripping.
Can this fuse be used in DC applications?
No, this particular 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 indication of fuse operation by triggering a striker when the fuse element melts, enabling quick visual or remote status detection.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting with metric threaded flush ends, ensuring secure and vibration-resistant installation.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, 125A fuse, 1300VAC fuse, IEC fuse, UL fuse, striker fuse, flush end fuse, metric thread fuse, industrial fuse, power semiconductor protection
| Manufacturer Part Number | Q300486 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329155 |
| Height | 74mm |
| Width | 39.8mm |
| Depth | 49.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC70UD13C125TF |
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