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MERSEN FUSE A 070 URD 30 KI 0350 A070URD30KI0350
MPN: K300136
Alt. SKU: A070UD30KI350
Special Price
£79.36
£66.13
Regular Price
£144.29
MERSEN FUSE A 070 URD 30 KI 0350 A070URD30KI0350 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 350A With Striker Slotted Blades?
Engineered for reliable short-circuit protection in demanding industrial applications, the Square Body High-Speed Fuse Protistor® (A070UD30KI350) offers rapid response and high interrupting capacity at up to 690VAC (IEC) and 700VAC (UL/CSA), rated at 350A. The advanced aR characteristic provides effective safeguarding of sensitive power semiconductor devices, minimising equipment downtime.
Featuring striker functionality and slotted blades for secure, versatile mounting, this fuse ensures fast and accurate fault indication in complex electrical systems. Rigorously tested to IEC and UL standards, it combines safety, performance, and ease of integration for critical power electronics protection.
Technical Specifications
- Item number: K300136
- Catalogue No: A070UD30KI350
- Description: Square Body High-Speed Fuse Protistor® Size 30 aR 690VAC IEC 700VAC UL 350A With Striker Slotted Blades short
- EAN/UPC Code: 3605340323818
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 350 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 30
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 86 kA²s
- Melting I2t: 15.5 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: 129 mm
- Product Height: 48 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 0.873 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: 0.291 kg
- Power Dissipation at Rated Current Value: 60 W
Product Code: K300136
Key Benefits
- High-speed aR characteristic ensures rapid fault interruption for sensitive semiconductor protection.
- Rated for high voltages up to 700VAC (UL) and 690VAC (IEC) with a 350A current rating.
- Striker indication system provides clear and immediate fault signalling.
- Silver-plated copper slotted blades ensure secure and reliable bolted mounting.
- Ceramic body offers excellent insulation and thermal stability.
- High breaking capacity of 200 kA for robust short-circuit protection.
Compatibility
This fuse is compatible with industrial power semiconductor devices requiring high-speed protection and is suitable for integration in bolted mounting fuse holders designed for Size 30 fuses with slotted blade terminals. It meets IEC and UL standards, ensuring broad applicability in global industrial electrical systems.
Applications
- Protection of power semiconductor devices such as thyristors, diodes, and transistors.
- Industrial motor drives and variable frequency drives (VFDs).
- Power supply units and inverters in industrial automation.
- Short-circuit protection in complex electrical distribution systems.
- Renewable energy installations including solar and wind power converters.
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR (partial range) characteristic indicates that the fuse is designed for high-speed interruption of short-circuits in power semiconductor circuits, providing effective protection while allowing normal operational currents to pass without nuisance tripping.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in its technical specifications.
What is the purpose of the striker indication system?
The striker indication system provides a mechanical signal when the fuse has blown, allowing quick and safe identification of faulted fuses without disassembling the equipment.
Is this fuse RoHS compliant?
Yes, the product is RoHS compliant, ensuring it meets environmental and safety standards regarding hazardous substances.
Common Search Terms
high-speed fuse, aR fuse, semiconductor protection fuse, 350A fuse, 690VAC fuse, 700VAC fuse, striker fuse, slotted blade fuse, bolted mounting fuse, industrial fuse, power electronics protection
| Manufacturer Part Number | K300136 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340323818 |
| Height | 129mm |
| Width | 40mm |
| Depth | 48mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD30KI350 |
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