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MERSEN FUSE A 110 URD 71 LLI 0630 A110URD71LLI0630
MPN: P300669
Alt. SKU: A110URD71LLI0630
Why Choose the Square Body High-Speed Fuse Protistor® Size 71 aR 1000VAC IEC 1100VAC UL 630A With Striker Slotted Blades long A110UD71LLI630?
Engineered for demanding power protection applications, this fuse offers reliable, rapid interruption at 1000VAC (IEC) and 1100VAC (UL), with a robust 630A rating. Its aR-class performance ensures superior protection for semiconductor devices, reducing downtime and safeguarding sensitive components.
The design features striker slotted blades for secure installation and integrated status indication, simplifying maintenance and replacement. Designed to IEC and UL standards, the Protistor® A110UD71LLI630 delivers trusted, high-speed circuit protection for critical industrial environments.
Technical Specifications
- Item number: P300669
- Catalogue No: A110UD71LLI630
- Description: Square Body High-Speed Fuse Protistor® Size 71 aR 1000VAC IEC 1100VAC UL 630A With Striker Slotted Blades long
- EAN/UPC Code: 3605340331882
- Rated voltage AC UL: 1100 V
- Rated voltage AC IEC: 1000 V
- Ampere Rating: 630 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 71
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 725 kA²s
- Melting I2t: 126 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: 51 mm
- Product Length: 157.4 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.62 kg
- Sell Pack Width: 155 mm
- Sell Pack Length: 165 mm
- Sell Pack Height: 60 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.54 kg
- Power Dissipation at Rated Current Value: 120 W
Product Code: P300669
Key Benefits
- High-speed aR characteristic ensures rapid and reliable protection for semiconductor devices.
- Dual voltage ratings (1000VAC IEC, 1100VAC UL) suitable for diverse industrial standards.
- Striker indication system provides clear status feedback for maintenance efficiency.
- Robust ceramic body offers excellent insulation and durability under harsh conditions.
- Silver-plated copper slotted blades ensure secure and low-resistance electrical connections.
- Bolted mounting facilitates easy and stable installation in switchgear and control panels.
Compatibility
This fuse is compatible with Size 71 fuse holders and switchgear designed for semiconductor protection. It meets IEC and UL standards, making it suitable for use in industrial power distribution systems requiring high-speed interruption and reliable protection of sensitive electronic components.
Applications
- Protection of power semiconductors such as thyristors, diodes, and transistors.
- Industrial motor drives and variable speed drives.
- Power converters and inverters in renewable energy systems.
- Switchgear and control panels in manufacturing plants.
- Critical power protection in automation and process control systems.
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial range) characteristic indicates that the fuse is designed to protect semiconductor devices by providing high-speed interruption of overloads and short circuits, but it does not protect against overloads below a certain threshold.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical indication of fuse operation by releasing a striker that can trigger an external indicator or switch, simplifying fuse status monitoring and replacement.
Is this fuse compliant with international standards?
Yes, it is designed to meet both IEC and UL standards for high-speed semiconductor protection fuses.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 71 fuse, aR fuse, 630A fuse, 1000VAC fuse, 1100VAC fuse, striker indication fuse, bolted fuse, ceramic body fuse, industrial power fuse
| Manufacturer Part Number | P300669 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340331882 |
| Manufacturer | Mersen |
| Alternative Product SKU | A110URD71LLI0630 |