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MERSEN FUSE A 070 URD 32 TTI 0550 A070URD32TTI0550
MPN: R300464
Alt. SKU: A070UD32TTI550
Special Price
£102.48
£85.40
Regular Price
£186.32
MERSEN FUSE A 070 URD 32 TTI 0550 A070URD32TTI0550 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 550A With Striker Flush ends UNC threads A070UD32TTI550?
Engineered for precision protection, this high-speed fuse delivers reliable performance up to 690VAC (IEC) and 700VAC (UL), with a 550A current rating. Its aR characteristic ensures rapid, effective safeguarding of semiconductor devices in critical industrial power applications.
The robust square body design, striker mechanism, flush ends, and UNC threads offer straightforward integration and enhanced safety in demanding environments. Ideal for installations requiring both IEC and UL compliance, this fuse supports continuous system uptime and superior component longevity.
Product Code: R300464
Key Benefits
- High-speed aR characteristic for rapid semiconductor protection
- Dual voltage ratings: 690VAC (IEC) and 700VAC (UL) for versatile applications
- Robust ceramic body ensures durability and reliability
- Striker indication system for clear fuse status monitoring
- Flush end terminals with UNC threads for secure, easy installation
- Silver-plated brass terminals provide excellent conductivity
- Bolted mounting design for stable and safe integration
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring high-speed interruption and aR characteristics. It meets both IEC and UL standards, making it suitable for a wide range of electrical installations and equipment in manufacturing, power distribution, and automation sectors.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and inverters
- Power supply units and converters
- Renewable energy systems including solar and wind power inverters
- Automation and control equipment requiring fast-acting fuses
Technical Specifications
- Item number: R300464
- Catalogue No: A070UD32TTI550
- Description: Square Body High-Speed Fuse Protistor® Size 32 aR 690VAC IEC 700VAC UL 550A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340328875
- Rated voltage AC UL: 700 V
- Rated voltage AC IEC: 690 V
- Ampere Rating: 550 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 32
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 215 kA²s
- Melting I2t: 37 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: 59 mm
- Product Length: 50.6 mm
- Product Height: 65 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 1.8099 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: 0.6033 kg
- Power Dissipation at Rated Current Value: 90 W
Frequently Asked Questions
What does the aR characteristic mean?
The aR characteristic indicates a partial-range high-speed fuse designed specifically for protecting semiconductor devices by rapidly clearing short-circuits and overloads without damaging downstream components.
Is this fuse suitable for both IEC and UL standards?
Yes, this fuse is rated for 690VAC according to IEC standards and 700VAC according to UL standards, making it compliant with both certification requirements.
What type of indication system does this fuse have?
It features a striker indication system that provides a clear visual signal when the fuse has operated, facilitating quick maintenance and replacement.
Can this fuse be used in DC applications?
No, this fuse is designed for AC applications only as specified in the technical specifications.
What mounting method is used for this fuse?
The fuse uses a bolted mounting system ensuring secure and stable installation in electrical panels or equipment.
Common Search Terms
high speed fuse, semiconductor protection fuse, aR fuse, 550A fuse, 690VAC fuse, 700VAC fuse, Protistor fuse, square body fuse, striker fuse, flush end fuse, UNC thread fuse, industrial fuse, bolted mounting fuse
| Manufacturer Part Number | R300464 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340328875 |
| Height | 50.6mm |
| Width | 59mm |
| Depth | 65mm |
| HS Code | 85361090 |
| Country of Manufacture | France |
| Manufacturer | Mersen |
| Alternative Product SKU | A070UD32TTI550 |
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