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MERSEN FUSE A 130 URD 72 LI 0550 A130URD72LI0550
MPN: X300676
Alt. SKU: A130UD72LI550
Special Price
£117.82
£98.18
Regular Price
£214.20
MERSEN FUSE A 130 URD 72 LI 0550 A130URD72LI0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 550A With Striker Slotted Blades long A130UD72LI550?
Engineered for demanding industrial and power electronics applications, this high-speed Protistor® fuse offers reliable protection for critical semiconductor devices. Rated at 550A and compliant with IEC 1250VAC and UL 1300VAC standards, it ensures rapid response to overcurrent events, minimising downtime and safeguarding equipment.
The robust square body, striker functionality, and slotted long blades enable straightforward integration into high-power assemblies, improving operational safety and ease of maintenance. Choose this solution for consistent performance and dependable circuit protection in your high-value installations.
Technical Specifications
- Item number: X300676
- Catalogue No: A130UD72LI550
- Description: Square Body High-Speed Fuse Protistor® Size 72 aR 1250VAC IEC 1300VAC UL 550A With Striker Slotted Blades long
- EAN/UPC Code: 3605340332025
- Rated voltage AC UL: 1300 V
- Rated voltage AC IEC: 1250 V
- Ampere Rating: 550 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 72
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 550 kA²s
- Melting I2t: 68 kA²s
- AC Max I.R./Breaking Capacity: I1: 126 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: 120 W
Product Code: X300676
Key Benefits
- High-speed aR characteristic ensures rapid interruption of overcurrents, protecting sensitive semiconductor devices.
- Robust ceramic square body provides excellent insulation and mechanical strength.
- Striker indication system offers clear visual confirmation of fuse operation for easy maintenance.
- Silver-plated copper slotted blades enable secure and reliable bolted mounting.
- Complies with both IEC and UL standards for versatile global application.
- High breaking capacity (126 kA) ensures safe interruption of high fault currents.
Compatibility
This fuse is compatible with industrial power electronics equipment requiring high-speed semiconductor protection, including inverters, converters, and motor drives. It fits fuse holders and assemblies designed for Size 72 fuses with bolted mounting and slotted blade connections.
Applications
- Protection of power semiconductor devices such as IGBTs and diodes.
- Industrial motor drive circuits.
- Power conversion and inverter systems.
- Renewable energy systems including solar inverters.
- High-current industrial electrical panels and switchgear.
Frequently Asked Questions
What does the "aR" speed characteristic mean?
The "aR" rating indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive devices.
Can this fuse be used in DC circuits?
This fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker mechanism provides a visual indication by activating a mechanical flag or striker when the fuse operates, allowing quick identification of a blown fuse.
Is this fuse compliant with international standards?
Yes, it meets IEC 1250VAC and UL 1300VAC standards, ensuring suitability for global industrial use.
Common Search Terms
high-speed fuse, Protistor fuse, semiconductor protection fuse, aR fuse, 550A fuse, 1250VAC fuse, 1300VAC fuse, striker fuse, slotted blade fuse, bolted fuse, Size 72 fuse, industrial fuse, ceramic fuse, power electronics fuse
| Manufacturer Part Number | X300676 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340332025 |
| Height | 157.4mm |
| Width | 59mm |
| Depth | 63mm |
| HS Code | 85351000 |
| Manufacturer | Mersen |
| Alternative Product SKU | A130UD72LI550 |
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