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MERSEN FUSE A070 URD 33 TTI 0700 A070URD33TTI0700
MPN: A300449
Alt. SKU: A070UD33TTI700
Special Price
£175.58
£146.32
Regular Price
£319.25
MERSEN FUSE A070 URD 33 TTI 0700 A070URD33TTI0700 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 700A With Striker Flush ends UNC threads A070UD33TTI700?
This high-speed fuse is engineered for optimal protection of sensitive semiconductor devices in demanding industrial environments. With a 700A rating, compliance to IEC and UL standards up to 700VAC, and robust aR characteristics, it ensures rapid circuit interruption during fault conditions.
Featuring flush-end striker and UNC threaded terminals for secure, reliable installation, this Protistor® fuse delivers precise, consistent performance, minimising system downtime and safeguarding critical power electronics.
Product Code: A300449
Key Benefits
- High-speed aR characteristic for rapid fault clearing
- Rated for 700A at 690VAC IEC and 700VAC UL ensuring wide compatibility
- Flush-end striker indication system for clear blown fuse identification
- Silver-plated brass UNC threaded terminals for secure and reliable connections
- Ceramic body for enhanced durability and heat resistance
- Bolted mounting for stable and vibration-resistant installation
Compatibility
This fuse is compatible with semiconductor protection circuits requiring high-speed interruption and is suitable for use in industrial power electronics, motor drives, and inverter applications. It fits fuse holders and switchgear designed for Size 33 fuses with bolted mounting and UNC threaded terminals.
Applications
- Protection of semiconductors such as IGBTs and thyristors
- Industrial motor drives and variable frequency drives (VFDs)
- Inverter circuits and power converters
- Renewable energy systems like solar inverters
- General industrial electrical protection requiring high-speed fuses
Technical Specifications
- Item number: A300449
- Catalogue No: A070UD33TTI700
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 700A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340328578
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 700 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 330 kA²s
- Melting I2t: 57 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: 115 W
Frequently Asked Questions
What does the aR characteristic mean for this fuse?
The aR characteristic 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 circuits?
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 indication system provides a visual and mechanical indication when the fuse has blown, allowing for quick identification and replacement.
Are the terminals compatible with standard fuse holders?
Yes, the fuse features flush-end silver-plated brass terminals with UNC threads, compatible with standard bolted mounting fuse holders designed for Size 33 fuses.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, Size 33 fuse, 700A fuse, aR characteristic fuse, 690VAC fuse, UL rated fuse, flush end terminals fuse, bolted mounting fuse, striker indication fuse
| Manufacturer Part Number | A300449 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340328578 |
| Height | 50.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33TTI700 |
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