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MERSEN FUSE 12,5 URD 73 D11 A 0350 12,5URD73D11A0350
MPN: B300565
Alt. SKU: PC73UD13C350D1A
Special Price
£148.20
£123.50
Regular Price
£269.45
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 350A With Striker DIN 110 Blades PC73UD13C350D1A?
Engineered for demanding industrial and power electronic applications, this high-speed Protistor® fuse provides fast and reliable circuit protection at 350A with robust performance up to 1250VAC (IEC) and 1300VAC (UL). Its advanced aR characteristic ensures superior short-circuit protection for sensitive components such as semiconductor devices.
The integrated striker enables remote indication of fuse operation for enhanced safety and maintenance efficiency. Designed with DIN 110 blade terminations, this fuse ensures straightforward installation and secure connectivity in critical installations.
Product Code: B300565
Key Benefits
- High-speed aR characteristic for superior semiconductor protection
- Rated for high voltages: 1250VAC (IEC) and 1300VAC (UL)
- Integrated striker for remote indication of fuse operation
- Durable ceramic body for enhanced reliability and safety
- Silver-plated copper DIN 110 blade terminals for secure and easy installation
- Excellent breaking capacity of 126 kA ensures robust short-circuit interruption
Compatibility
This fuse is compatible with industrial and power electronic systems requiring high-speed protection at 350A. It fits fuse holders and switchgear designed for Size 73 fuses with DIN 110 blade connections and is suitable for use in systems adhering to IEC and UL standards.
Applications
- Protection of semiconductor devices such as thyristors and diodes
- Industrial power electronics and motor drives
- Renewable energy systems including solar inverters
- High-voltage AC power distribution systems
- Automation and control equipment requiring fast fuse response
Technical Specifications
- Item number: B300565
- Catalogue No: PC73UD13C350D1A
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1250VAC IEC 1300VAC UL 350A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340330342
- 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: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 140 kA²s
- Melting I2t: 17 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 110 Blades
- Product Width: 73 mm
- Product Length: 133.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 3.36 kg
- Sell Pack Width: 150 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.12 kg
- Power Dissipation at Rated Current Value: 86 W
Frequently Asked Questions
What is the primary function of this fuse?
This fuse provides high-speed circuit protection specifically designed to protect semiconductor devices and sensitive electronic components from short circuits and overloads.
Can this fuse be used in DC applications?
No, this particular model is rated for AC applications only, as indicated by its specifications.
What does the integrated striker do?
The integrated striker provides a mechanical indication of fuse operation, allowing for remote signalling to alert maintenance personnel when the fuse has blown.
Is this fuse compatible with standard DIN 110 blade holders?
Yes, it features DIN 110 blade terminals for easy installation in compatible holders and switchgear.
What is the breaking capacity of this fuse?
The fuse has a maximum breaking capacity of 126 kA at rated voltage, ensuring safe interruption of high fault currents.
Common Search Terms
High-speed fuse, Protistor fuse, semiconductor protection fuse, 350A fuse, aR fuse, DIN 110 blade fuse, high voltage fuse, industrial fuse, circuit protection fuse, striker fuse indication
| Manufacturer Part Number | B300565 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340330342 |
| Height | 133.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD13C350D1A |
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