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MERSEN FUSE A070 URD 33 TTI 1100 A070URD33TTI1100
MPN: D300452
Alt. SKU: A070UD33TTI1100
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1100A With Striker Flush ends UNC threads A070UD33TTI1100?
Engineered for reliable circuit protection in demanding industrial applications, the Protistor® Size 33 high-speed fuse provides rapid response to overcurrents, safeguarding sensitive power electronics and semiconductor devices. Rated for up to 1100A with 690V AC (IEC) and 700V AC (UL) compliance, it ensures robust performance and extended equipment lifespan.
The integrated striker mechanism offers reliable remote indication, while flush ends with UNC threads simplify secure installation and maintenance. Precision-built to IEC and UL standards, the A070UD33TTI1100 is an optimal choice for critical power protection in drives, UPS, and industrial control systems.
Product Code: D300452
Key Benefits
- High-speed aR characteristic ensures rapid disconnection of overcurrents, protecting sensitive semiconductor devices.
- Rated for 1100A at 690V AC (IEC) and 700V AC (UL), suitable for high power industrial applications.
- Integrated striker indication system provides reliable remote fault signalling.
- Flush ends with UNC threads allow secure and easy installation with bolted mounting.
- Ceramic body and silver-plated brass terminals ensure durability and excellent conductivity.
- Compliance with IEC and UL standards guarantees quality and safety.
Compatibility
This fuse is compatible with industrial control systems, variable frequency drives, uninterruptible power supplies (UPS), and semiconductor protection circuits requiring high-speed fuse protection. It fits fuse holders and switchgear designed for Size 33 fuses with bolted mounting and UNC threaded flush ends.
Applications
- Protection of power semiconductors in inverters and converters
- Industrial motor drives and control systems
- Uninterruptible power supplies (UPS)
- Power distribution and protection in manufacturing plants
- Renewable energy systems requiring fast-acting fuse protection
Technical Specifications
- Item number: D300452
- Catalogue No: A070UD33TTI1100
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 690VAC IEC 700VAC UL 1100A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340328639
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 1100 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 1390 kA²s
- Melting I2t: 240 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: 135 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 devices.
Is this fuse suitable for DC applications?
No, this particular fuse is rated for AC applications only, as specified in the technical specifications.
Can the integrated striker be used for remote indication?
Yes, the fuse includes a striker indication system that can be connected to remote signalling devices to alert operators of fuse operation.
What mounting options are available for this fuse?
This fuse is designed for bolted mounting with flush ends and UNC threads to ensure secure installation.
Common Search Terms
high-speed fuse, semiconductor protection fuse, Protistor fuse, size 33 fuse, 1100A fuse, 690V fuse, 700V fuse, aR fuse, industrial fuse, fuse with striker, flush end fuse, bolted mounting fuse, ceramic body fuse
| Manufacturer Part Number | D300452 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340328639 |
| Height | 50.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD33TTI1100 |