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MERSEN FUSE A 110 URD 72 LI 0800 A110URD72LI0800
MPN: A300679
Alt. SKU: A110UD72LI800
Special Price
£133.69
£111.41
Regular Price
£243.08
MERSEN FUSE A 110 URD 72 LI 0800 A110URD72LI0800 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1000VAC IEC 1100VAC UL 800A With Striker Slotted Blades long A110UD72LI800?
This high-speed fuse is engineered for reliable protection of power semiconductors in demanding industrial environments, offering rapid fault interruption and minimal let-through energy. Certified to IEC and UL standards, it operates at 1000VAC (IEC), 1100VAC (UL), and supports continuous currents up to 800A.
The robust square body design, integrated striker for remote signalling, and long slotted blades ensure versatility and secure installation in complex assemblies. Ideal for high-performance drives, UPS, and power conversion systems requiring maximum uptime and safety.
Product Code: A300679
Key Benefits
- High-speed operation ensures rapid fault clearance to protect sensitive semiconductors.
- Certified to IEC and UL standards for reliable and safe performance.
- Integrated striker provides clear indication and remote signalling capability.
- Robust ceramic body offers excellent insulation and durability.
- Silver-plated copper slotted blades ensure secure and low-resistance connections.
- Suitable for high voltage applications up to 1100 V AC.
Compatibility
This fuse is compatible with industrial power conversion equipment, including variable speed drives, uninterruptible power supplies (UPS), and other semiconductor protection applications requiring high breaking capacity and fast response.
Applications
- Protection of power semiconductors in industrial drives
- Uninterruptible Power Supplies (UPS)
- Power conversion and inverter systems
- High voltage AC circuits requiring fast-acting fuses
- Industrial automation and control panels
Technical Specifications
- Item number: A300679
- Catalogue No: A110UD72LI800
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1000VAC IEC 1100VAC UL 800A With Striker Slotted Blades long
- EAN/UPC Code: 3605340332087
- Rated voltage AC UL: 1100 V
- Rated voltage AC IEC: 1000 V
- Ampere Rating: 800 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 1240 kA²s
- Melting I2t: 215.1 kA²s
- AC Max I.R./Breaking Capacity: I1: 167 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Slotted Blades
- Product Width: 59 mm
- Product Length: 157.4 mm
- Product Height: 63 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.1699 kg
- Sell Pack Width: 150 mm
- Sell Pack Length: 190 mm
- Sell Pack Height: 70 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.7233 kg
- Power Dissipation at Rated Current Value: 146 W
Frequently Asked Questions
What does the 'aR' characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed for semiconductor protection with partial range breaking capacity, suitable for protecting devices like diodes and thyristors.
Can this fuse be used in DC circuits?
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 provides a visual and remote signalling indication when the fuse has operated, enabling easier maintenance and fault detection.
Is this fuse compatible with bolted mounting?
Yes, the fuse is designed for bolted mounting to ensure secure and reliable installation.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, size 72 fuse, 800A fuse, 1000VAC fuse, 1100VAC fuse, striker fuse, slotted blade fuse, ceramic body fuse, industrial fuse, power semiconductor protection
| Manufacturer Part Number | A300679 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340332087 |
| Height | 157.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A110UD72LI800 |
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