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MERSEN FUSE 12 URD 73 TT F 0900 PC73UD12C900TF
MPN: T300512
Alt. SKU: PC73UD12C900TF
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 1200VAC IEC 1300VAC UL 900A With Striker Flush ends metric threads PC73UD12C900TF?
This high-speed Protistor® fuse is engineered for superior protection of power semiconductor devices, ensuring rapid and reliable interruption of fault currents up to 900A. Rated for 1200VAC (IEC) and 1300VAC (UL), it delivers outstanding performance in demanding industrial and power conversion applications.
The square body design with striker and flush ends, alongside metric threads, allows for straightforward installation and enhanced safety diagnostics. Choose the PC73UD12C900TF to reduce downtime, protect critical assets, and maintain operational integrity under high-stress conditions.
Technical Specifications
- Item number: T300512
- Catalogue No: PC73UD12C900TF
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 1200VAC IEC 1300VAC UL 900A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340329605
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1200 V
- Ampere Rating: 900 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 1870 kA²s
- Melting I2t: 250 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: 73 mm
- Product Length: 74 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.22 kg
- Sell Pack Width: 110 mm
- Sell Pack Length: 125 mm
- Sell Pack Height: 75 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.22 kg
- Power Dissipation at Rated Current Value: 151 W
Product Code: T300512
Key Benefits
- High-speed interruption for enhanced protection of power semiconductors.
- Rated for high voltages: 1200VAC (IEC) and 1300VAC (UL) ensuring wide application range.
- Striker indication system for quick visual fault detection.
- Flush ends with metric threads allow for secure and easy installation.
- Ceramic body provides excellent insulation and durability under high-stress conditions.
- High breaking capacity of 126 kA for reliable fault clearing.
Compatibility
This fuse is compatible with bolted mounting fuse holders designed for Size 73 aR fuses, suitable for industrial power conversion equipment, semiconductor protection modules, and high-voltage AC systems up to the specified voltage and current ratings.
Applications
- Protection of power semiconductor devices such as thyristors and diodes.
- Industrial motor drives and inverters.
- Power conversion and distribution systems.
- High-speed fault current interruption in AC electrical networks.
- Renewable energy systems including solar and wind power inverters.
Frequently Asked Questions
What does the 'aR' characteristic mean for this fuse?
The 'aR' characteristic indicates this fuse is a high-speed semiconductor fuse designed to protect semiconductor devices by quickly interrupting fault currents.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a visual indication that the fuse has operated (blown), allowing for quick identification and replacement.
Are replacement fuses available with the same specifications?
Yes, replacement fuses with identical ratings and characteristics can be ordered using the product code T300512 or catalogue number PC73UD12C900TF.
Common Search Terms
High-speed fuse, Protistor fuse, Size 73 fuse, semiconductor protection fuse, 900A fuse, 1200VAC fuse, 1300VAC fuse, striker fuse, bolted mounting fuse, ceramic body fuse, industrial power fuse.
| Manufacturer Part Number | T300512 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340329605 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD12C900TF |