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MERSEN FUSE 9 URD 73 TT F 1250 PC73UD90V13CTF
MPN: T300696
Alt. SKU: PC73UD90V13CTF
Special Price
£200.42
£167.02
Regular Price
£364.40
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1250A With Striker Flush Ends Metric Threads PC73UD90V13CTF?
Engineered for demanding industrial and power electronic applications, this high-speed fuse delivers superior protection for sensitive semiconductor devices with its fast-acting aR characteristic and high interrupting capacity. The Protistor® Size 73 supports operational voltages up to 900VAC (IEC) and 1000VAC (UL), rated at 1250A, ensuring reliable performance under the harshest fault conditions.
Featuring flush-end striker contacts and robust metric-threaded terminations, this fuse enables secure, vibration-resistant installation. Precision-manufactured to IEC and UL standards, it ensures maximum system uptime and safeguards critical equipment investments.
Technical Specifications
- Item number: T300696
- Catalogue No: PC73UD90V13CTF
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1250A With Striker Flush ends metric threads
- EAN/UPC Code: 3605340332377
- Rated voltage AC UL: 1000 V
- Rated voltage AC IEC: 900 V
- Ampere Rating: 1250 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 3080 kA²s
- Melting I2t: 585 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 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: 186 W
Product Code: T300696
Key Benefits
- Fast-acting aR characteristic provides superior semiconductor protection.
- High interrupting capacity ensures safety under fault conditions up to 150 kA.
- Flush-end striker indication system for clear and reliable fuse status signalling.
- Robust ceramic body and silver-plated brass terminals for durability and excellent conductivity.
- Metric threaded bolted mounting offers secure and vibration-resistant installation.
- Compliance with IEC and UL standards guarantees quality and reliability.
Compatibility
This fuse is compatible with industrial and power electronic systems requiring high-speed semiconductor protection. It fits fuse holders and switchgear designed for Size 73 fuses with metric threaded terminals and bolted mounting arrangements.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and variable speed drives.
- Power supplies and converters in industrial automation.
- Renewable energy systems including solar inverters.
- General industrial electrical equipment requiring high-speed fuse protection.
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR (partial range) characteristic indicates the fuse is designed for high-speed protection of semiconductor devices, capable of interrupting short-circuit currents rapidly while allowing for certain overload conditions.
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 significance of the striker indication system?
The striker system provides a visual indication when the fuse has operated (blown), allowing for quick identification and replacement without disassembling equipment.
Is this fuse compliant with international standards?
Yes, it meets IEC and UL standards for voltage and current ratings, ensuring global compliance and safety.
Common Search Terms
High-speed fuse, semiconductor protection fuse, Protistor fuse, Size 73 fuse, aR fuse, 1250A fuse, 900VAC fuse, 1000VAC fuse, striker indication fuse, industrial fuse, bolted fuse, ceramic body fuse, metric thread fuse.
| Manufacturer Part Number | T300696 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340332377 |
| Height | 74mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD90V13CTF |
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