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MERSEN FUSE A 100 URD 73 LI 1100 A100URD73LI1100
MPN: N300691
Alt. SKU: A100UD73LI1100
Special Price
£205.36
£171.13
Regular Price
£373.37
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker Slotted Blades long A100UD73LI1100?
Engineered for demanding industrial applications, this Protistor® high-speed fuse offers reliable circuit protection at ratings up to 1100A and voltages of 900VAC (IEC) and 1000VAC (UL). The robust square body design ensures superior thermal and electrical performance under high fault current conditions.
Featuring integrated striker and slotted blade terminals for improved safety and secure installation, this fuse is ideal for safeguarding sensitive power semiconductors and critical equipment. Certified to international standards, it provides dependable protection and rapid fault interruption to minimise equipment downtime.
Product Code: N300691
Key Benefits
- High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
- Robust ceramic square body construction for enhanced durability and thermal stability.
- Integrated striker indication system for clear blown fuse signalling.
- Silver-plated copper slotted blade terminals provide secure and reliable connections.
- Certified to IEC and UL standards for global application compatibility.
- High breaking capacity of 151 kA ensures safe interruption of high fault currents.
Compatibility
This fuse is compatible with industrial bolted fuse holders designed for size 73 high-speed fuses. It is suitable for use in power semiconductor protection circuits, motor drives, and other high-current AC applications requiring rapid fault interruption and reliable performance.
Applications
- Protection of power semiconductors such as thyristors and diodes.
- Industrial motor drives and inverters.
- High-current AC circuit protection in manufacturing plants.
- Power distribution panels requiring high breaking capacity fuses.
- Critical equipment safeguarding in heavy industry environments.
Technical Specifications
- Item number: N300691
- Catalogue No: A100UD73LI1100
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker Slotted Blades long
- EAN/UPC Code: 3605340560039
- Rated voltage AC UL: 1000 V
- Rated voltage AC IEC: 900 V
- Ampere Rating: 1100 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 2280 kA²s
- Melting I2t: 445 kA²s
- AC Max I.R./Breaking Capacity: I1: 151 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Slotted Blades
- Product Width: 73 mm
- Product Length: 157.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.25 kg
- Sell Pack Width: 100 mm
- Sell Pack Length: 180 mm
- Sell Pack Height: 80 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.25 kg
- Power Dissipation at Rated Current Value: 208 W
Frequently Asked Questions
What does the aR speed/characteristic mean?
The aR (partial range) characteristic indicates that this fuse is designed for high-speed interruption of overloads and short circuits, particularly protecting semiconductors by clearing faults rapidly.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker indication system provides a visual and mechanical indication when the fuse has blown, facilitating quick and safe identification for replacement.
Is this fuse compliant with international standards?
Yes, it is certified to both IEC and UL standards, ensuring global compliance and reliable performance.
Common Search Terms
high-speed fuse, Protistor fuse, size 73 fuse, semiconductor protection fuse, aR fuse 1100A, 900VAC fuse, 1000VAC fuse, striker fuse, slotted blade fuse, bolted fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | N300691 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340560039 |
| Height | 157.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A100UD73LI1100 |
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