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MERSEN FUSE A055 URD 33 TTI 2250 A055URD33TTI2250
MPN: W301089
Alt. SKU: A055UD33TTI2250
Special Price
£279.18
£232.65
Regular Price
£507.60
MERSEN FUSE A055 URD 33 TTI 2250 A055URD33TTI2250 is available to buy in increments of 3
Why Choose the Square Body High-Speed Fuse Protistor® Size 33 aR 500VAC IEC 550VAC UL 2250A With Striker Flush ends UNC threads A055UD33TTI2250?
This high-speed Protistor® fuse is engineered for demanding industrial applications, providing reliable and rapid protection for power semiconductors in accordance with IEC and UL standards. Rated at 500VAC IEC / 550VAC UL and 2250A, it ensures maximum system uptime by efficiently interrupting high fault currents.
The robust square body design, integrated striker, flush ends, and UNC threads facilitate secure installation and easy integration into busbar assemblies. Depend on this fuse for superior performance, precise operation, and enhanced equipment safety in critical electrical systems.
Technical Specifications
- Item number: W301089
- Catalogue No: A055UD33TTI2250
- Description: Square Body High-Speed Fuse Protistor® Size 33 aR 500VAC IEC 550VAC UL 2250A With Striker Flush ends UNC threads
- EAN/UPC Code: 3605340336702
- Rated voltage AC UL: 550 V
- Rated voltage AC IEC: 500 V
- Ampere Rating: 2250 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 33
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 5160 kA²s
- Melting I2t: 1250 kA²s
- AC Max I.R./Breaking Capacity: I1: 200 kA
- Design Details: Reinforced 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: 280 W
Product Code: W301089
Key Benefits
- High-speed interruption for protecting sensitive power semiconductors.
- Complies with IEC and UL standards ensuring global compatibility and safety.
- Robust square body design with reinforced terminals for durability.
- Integrated striker indication system for quick fuse status verification.
- Flush ends with UNC threads enable secure and easy installation.
- High breaking capacity of 200 kA for reliable fault clearing.
- Ceramic insulating body ensures excellent thermal and mechanical resistance.
Compatibility
This fuse is compatible with industrial semiconductor protection systems requiring a size 33 aR fuse with ratings up to 2250A and voltages up to 550VAC UL / 500VAC IEC. It is suitable for integration with busbar assemblies and bolted mounting setups where flush end connections with UNC threads are standard.
Applications
- Protection of power semiconductors in industrial motor drives.
- Inverter and converter protection in renewable energy systems.
- High-power UPS and power supply units.
- Electrical distribution panels in manufacturing plants.
- Critical industrial automation and control systems.
Frequently Asked Questions
What does the 'aR' speed characteristic mean?
The 'aR' characteristic refers to a high-speed fuse designed specifically for semiconductor protection, capable of quickly interrupting fault currents to prevent damage to sensitive components.
Is this fuse RoHS compliant?
Yes, this fuse is RoHS compliant, ensuring it meets environmental and hazardous substance regulations.
Can this fuse be used in DC applications?
No, this fuse is rated for AC applications only as specified in the technical specifications.
What does the integrated striker indication system do?
The integrated striker provides a visual indication when the fuse has operated (blown), enabling quick identification and replacement.
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, Protistor fuse, semiconductor protection fuse, size 33 fuse, 2250A fuse, 500VAC fuse, 550VAC fuse, aR fuse, industrial fuse, bolted fuse, striker fuse, ceramic body fuse
| Manufacturer Part Number | W301089 |
|---|---|
| Packed Quantity | 3 |
| Barcode | 3605340336702 |
| Height | 50.6mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | A055UD33TTI2250 |
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