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MERSEN FUSE A 070 URD 30 LI 0450 A070URD30LI0450
MPN: K300527
Alt. SKU: A070UD30LI450
Special Price
£130.09
£108.41
Regular Price
£236.52
MERSEN FUSE A 070 URD 30 LI 0450 A070URD30LI0450 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades long A070UD30LI450?
Engineered for high-speed protection of sensitive power semiconductor devices, this Protistor® fuse delivers rapid fault clearing to minimise equipment damage and system downtime. Rated at 450A, it supports demanding industrial applications with a voltage capacity up to 690VAC (IEC) and 700VAC (UL), ensuring robust circuit protection under stringent conditions.
The long slotted blade design with integrated striker enables secure installation, reliable mechanical indication, and efficient remote signalling. Choose this fuse for compliance with both IEC and UL standards, providing peace of mind with globally recognised safety and performance credentials.
Product Code: K300527
Key Benefits
- High-speed aR characteristic ensures rapid fault clearing to protect sensitive semiconductor devices.
- Dual voltage rating (690VAC IEC / 700VAC UL) suitable for international applications.
- Long slotted blades with striker indication provide reliable mechanical and remote fault signalling.
- Ceramic body offers excellent insulation and durability under harsh industrial conditions.
- Silver-plated copper terminals ensure low resistance and superior conductivity.
- Compliant with RoHS standards, supporting environmental safety requirements.
Compatibility
This fuse is compatible with industrial electrical systems requiring high-speed semiconductor protection, particularly those utilising bolted mounting configurations. It is suitable for use in equipment designed to IEC and UL standards, making it ideal for global applications where reliable circuit protection is critical.
Applications
- Protection of power semiconductor devices such as thyristors, diodes, and transistors.
- Industrial motor drives and inverters.
- Power supplies and converters in manufacturing plants.
- Renewable energy systems including solar inverters.
- High-power electrical installations requiring fast-acting fuse protection.
Technical Specifications
- Item number: K300527
- Catalogue No: A070UD30LI450
- Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades long
- EAN/UPC Code: 3605340329797
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 450 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 30
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 165 kA²s
- Melting I2t: 26 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: 88 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic indicates a high-speed fuse designed to protect semiconductor devices by rapidly clearing faults, minimising damage and downtime.
Is this fuse suitable for DC applications?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
What type of indication system does this fuse have?
It features a striker type indication system that provides mechanical indication and enables remote signalling of fuse operation.
Can this fuse be used in both IEC and UL standard installations?
Yes, it is rated for 690VAC according to IEC and 700VAC according to UL standards, making it suitable for installations adhering to either standard.
Common Search Terms
high speed fuse, semiconductor protection fuse, Protistor fuse, size 30 fuse, 450A fuse, 690VAC fuse, 700VAC fuse, aR fuse, striker indication fuse, slotted blade fuse, ceramic body fuse, bolted mounting fuse
| Manufacturer Part Number | K300527 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340329797 |
| Height | 148.6mm |
| Width | 40mm |
| Depth | 48mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD30LI450 |
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