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MERSEN FUSE A 070 URD 30 LI 0550 A070URD30LI0550
MPN: M300529
Alt. SKU: A070UD30LI550
Special Price
£146.99
£122.49
Regular Price
£267.24
MERSEN FUSE A 070 URD 30 LI 0550 A070URD30LI0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades long A070UD30LI550?
This high-speed fuse delivers reliable protection for power semiconductors in demanding industrial applications, featuring a rapid response to overcurrent faults up to 550A. Certified to IEC 690VAC and UL 700VAC standards, it ensures operational safety, compliance, and minimal downtime for critical systems.
The integrated striker mechanism enables direct indication of fuse operation and supports remote trip functions, while robust slotted blade terminals allow secure installation and excellent thermal conductivity. Ideal for engineers requiring efficient, high-performance circuit protection in challenging environments.
Technical Specifications
- Item number: M300529
- Catalogue No: A070UD30LI550
- Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 550A With Striker Slotted Blades long
- EAN/UPC Code: 3605340329810
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 30
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 330 kA²s
- Melting I2t: 52 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Slotted Blades
- Product Width: 40 mm
- Product Length: 148.6 mm
- Product Height: 48 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 0.9639 kg
- Sell Pack Width: 133 mm
- Sell Pack Length: 157 mm
- Sell Pack Height: 54 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.3213 kg
- Power Dissipation at Rated Current Value: 90 W
Product Code: M300529
Key Benefits
- Fast-acting protection for sensitive semiconductor devices
- High breaking capacity of 200 kA ensures safe interruption of fault currents
- Integrated striker indication for easy fault detection and remote signalling
- Silver-plated copper slotted blade terminals provide excellent conductivity and secure connections
- Ceramic body offers robust insulation and thermal resistance
- Compliant with IEC and UL standards for international safety assurance
Compatibility
This fuse is compatible with Size 30 fuse holders and bolted mounting systems designed for high-speed semiconductor protection fuses. It is suitable for use in industrial power electronics, motor drives, and inverter circuits requiring aR characteristic fuses.
Applications
- Protection of power semiconductors in industrial drives and inverters
- Use in power conversion and control equipment
- High-speed circuit protection in automation systems
- Electrical panels requiring high breaking capacity fuses
Frequently Asked Questions
What does the 'aR' characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuits quickly to protect sensitive components.
Can this fuse be used in DC applications?
No, 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 when the fuse has operated and can also be used to trigger remote trip signalling for enhanced safety.
Is this fuse RoHS compliant?
Yes, the product complies with RoHS regulations, ensuring it meets environmental safety standards.
Common Search Terms
high-speed fuse, semiconductor protection fuse, aR fuse, 550A fuse, 690VAC fuse, 700VAC UL fuse, striker fuse, slotted blade fuse, Size 30 fuse, industrial fuse, ceramic body fuse
| Manufacturer Part Number | M300529 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329810 |
| Height | 148.6mm |
| Width | 40mm |
| Depth | 48mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD30LI550 |
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