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MERSEN FUSE A 070 URD 33 KI 0800 A070URD33KI0800
MPN: A300242
Alt. SKU: A070UD33KI800
Special Price
£136.82
£114.02
Regular Price
£248.76
MERSEN FUSE A 070 URD 33 KI 0800 A070URD33KI0800 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades?
Engineered for reliable protection in high-speed industrial circuits, the Protistor® Size 33 fuse offers rapid response and high withstand capacity for demanding applications. With a maximum voltage rating of 690VAC (IEC) and 700VAC (UL), and a current rating of 800A, it ensures safe interruption of short-circuit and overload conditions.
Featuring slotted blades and striker functionality for improved safety and ease of indication, this fuse is ideal for integration within power distribution, motor drives, and semiconductor protection systems. Its robust square body design supports enhanced thermal and mechanical durability, making it a dependable choice for critical operations.
Technical Specifications
- Item number: A300242
- Catalogue No: A070UD33KI800
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 800A With Striker Slotted Blades short
- EAN/UPC Code: 3605340325577
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 800 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 540 kA²s
- Melting I2t: 93 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Design Details: Standard Terminal
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Slotted Blades
- Product Width: 73 mm
- Product Length: 134 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.5353 kg
- Sell Pack Width: 145 mm
- Sell Pack Length: 245 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.8451 kg
- Power Dissipation at Rated Current Value: 130 W
Product Code: A300242
Key Benefits
- High-speed aR characteristic for fast and reliable short-circuit interruption.
- Robust square body design ensures enhanced mechanical and thermal durability.
- Striker indication system provides clear and safe fuse status signalling.
- Silver-plated copper slotted blades enable secure and efficient bolted mounting.
- Compliant with IEC and UL standards for versatile global application.
Compatibility
This Protistor® Size 33 fuse is compatible with power distribution panels, motor drives, and semiconductor protection circuits requiring high-speed fuse protection up to 800A and voltages up to 700VAC. It is designed for bolted mounting arrangements and fits fuse holders and bases designed for size 33 fuses with slotted blade terminals.
Applications
- Industrial motor protection
- Power semiconductor device safeguarding
- Power distribution and control panels
- High-speed circuit protection in manufacturing plants
- Renewable energy systems requiring fast fuse response
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' characteristic indicates a high-speed fuse designed to protect semiconductor devices by interrupting short circuits rapidly while allowing for controlled overload conditions.
Can this fuse be used in DC circuits?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
How does the striker indication system work?
The striker indication system provides a mechanical indication of fuse operation by releasing a striker when the fuse element melts, allowing for quick visual or remote signalling of fuse status.
Is this fuse RoHS compliant?
Yes, the fuse is RoHS compliant, ensuring it meets environmental and safety standards for hazardous substances.
Common Search Terms
High-speed fuse, Protistor fuse, Size 33 fuse, 800A fuse, 690VAC fuse, semiconductor protection fuse, aR fuse, bolted fuse, striker indication fuse, industrial fuse 700V
| Manufacturer Part Number | A300242 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340325577 |
| Height | 134mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33KI800 |
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