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MERSEN FUSE A 070 URD 31 KI 0450 A070URD31KI0450
MPN: X300032
Alt. SKU: A070UD31KI450
Special Price
£93.22
£77.68
Regular Price
£169.49
MERSEN FUSE A 070 URD 31 KI 0450 A070URD31KI0450 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades?
This high-speed Protistor® fuse offers reliable short-circuit protection for demanding industrial applications, rated at 450A and suitable for voltages up to 690VAC (IEC) and 700VAC (UL). Its square body design ensures superior heat dissipation, whilst the striker feature enables remote signalling of fuse operation for enhanced safety and system monitoring.
Engineered with robust slotted blades for secure and efficient electrical connections, the A070UD31KI450 fuse is an optimal choice for safeguarding critical semiconductor devices and power electronics against overloads and faults. Ensure operational continuity and equipment protection with this trusted, standards-compliant solution.
Technical Specifications
- Item number: X300032
- Catalogue No: A070UD31KI450
- Description: Square Body High-Speed Fuse Protistor® Size 31 aR 690VAC IEC 700VAC UL 450A With Striker Slotted Blades short
- EAN/UPC Code: 3605340322569
- 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: 31
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 155000 A²s
- Melting I2t: 26500 A²s
- 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: 51 mm
- Product Length: 129 mm
- Product Height: 56.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.203 kg
- Sell Pack Width: 157 mm
- Sell Pack Length: 166 mm
- Sell Pack Height: 62 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.401 kg
- Power Dissipation at Rated Current Value: 70 W
Product Code: X300032
Key Benefits
- High-speed response protects sensitive semiconductor devices effectively.
- Square body design ensures superior heat dissipation and durability.
- Striker indication system enables remote signalling of fuse operation for enhanced safety.
- Robust silver-plated copper slotted blades ensure secure and efficient electrical connections.
- Complies with IEC and UL standards for reliable industrial use.
- Bolted mounting provides stable and secure installation.
Compatibility
This fuse is compatible with industrial electrical systems requiring high-speed semiconductor protection at voltages up to 690VAC (IEC) and 700VAC (UL). It fits fuse holders designed for size 31 fuses with bolted mounting and is suitable for integration into power electronics and control panels demanding high breaking capacity and reliable indication systems.
Applications
- Protection of semiconductor devices such as thyristors and diodes.
- Industrial power electronics and motor drives.
- Inverters and converters in renewable energy systems.
- Control and automation panels requiring high-speed fuse protection.
- Short-circuit protection in heavy industrial machinery.
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' rating indicates a high-speed fuse characteristic designed specifically for protecting semiconductor devices by quickly interrupting fault currents.
Can this fuse be used in DC circuits?
No, this fuse is rated for AC applications only, as specified in the technical specifications.
What is the purpose of the striker indication system?
The striker provides a mechanical indication of fuse operation, enabling remote signalling to alert operators when the fuse has blown.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS directives ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, Protistor fuse, semiconductor protection fuse, size 31 fuse, 450A fuse, 690VAC fuse, striker fuse, bolted fuse, industrial fuse, power electronics fuse
| Manufacturer Part Number | X300032 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340322569 |
| Height | 129mm |
| Width | 51mm |
| Depth | 56.5mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD31KI450 |
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