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MERSEN FUSE A070 URD 33 TTI 0800 A070URD33TTI0800
MPN: T300443
Alt. SKU: A070UD33TTI800
Special Price
£126.72
£105.60
Regular Price
£230.40
MERSEN FUSE A070 URD 33 TTI 0800 A070URD33TTI0800 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 Flush ends UNC threads A070UD33TTI800?
Engineered for superior circuit protection, the Square Body High-Speed Fuse Protistor® Size 33 delivers rapid interruption and reliable performance in demanding industrial applications up to 800A. Designed for use within systems operating at 690VAC (IEC) and 700VAC (UL), this fuse ensures safety and compliance with international standards.
Featuring a robust striker mechanism and flush ends with UNC threads, the A070UD33TTI800 enables straightforward installation and integration into high-power assemblies. Ideal for safeguarding semiconductors, it offers proven durability and optimal fault current limitation to enhance operational uptime.
Technical Specifications
- Item number: T300443
- Catalogue No: A070UD33TTI800
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 800A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340328479
- 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 Brass
- Connection/Terminal Type: Flush ends
- Product Width: 73 mm
- Product Length: 50.6 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 2.682 kg
- Sell Pack Width: 86 mm
- Sell Pack Length: 247 mm
- Sell Pack Height: 94 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 0.894 kg
- Power Dissipation at Rated Current Value: 120 W
Product Code: T300443
Key Benefits
- Rapid interruption for enhanced circuit protection
- High breaking capacity of 200 kA for demanding industrial environments
- Robust striker indication system for easy fault detection
- Flush ends with UNC threads enable secure and straightforward installation
- Compliance with IEC and UL standards ensures global applicability
- Ceramic body provides excellent insulation and durability
Compatibility
This fuse is compatible with semiconductor protection applications requiring high-speed aR characteristics and rated for AC voltages up to 700V UL and 690V IEC. It is designed for bolted mounting in industrial fuse holders and switchgear systems supporting Size 33 fuses.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supply units in heavy machinery
- Switchgear assemblies requiring high breaking capacity fuses
- Renewable energy systems including photovoltaic inverters
Frequently Asked Questions
What does the 'aR' speed/characteristic mean?
The 'aR' rating indicates a high-speed fuse designed specifically for semiconductor protection, capable of interrupting short-circuit currents rapidly to protect sensitive components.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
What is the significance of the striker indication system?
The striker provides a visual indication when the fuse has operated (blown), allowing for quick identification and replacement without the need for testing equipment.
Is this fuse RoHS compliant?
Yes, the fuse complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Size 33 fuse, 800A fuse, 690VAC fuse, 700VAC UL fuse, aR fuse, striker fuse, industrial fuse, bolted mounting fuse, ceramic body fuse
| Manufacturer Part Number | T300443 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340328479 |
| Height | 50.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33TTI800 |
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